Robin High School Compre 2015

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Comprehensive Examination in MATHEMATICS 7 Name: Teacher: Sir Robin B. Ubera Grade and Section: Date: I. Read each question carefully. Encircle the letter of the correct answer. 1. The Burj Khalifa is the tallest skyscraper which measures 828 m. What is its measurement in millimeter? a. 82 800 mm b. 8 280 mm c. 8 280 000 mm d. 828 000 mm 2. How many meters are there in 2 decameters? a. 2 000 m b. 200 m c. 20 m d. 20 000m 3. What is the basic unit of length in the metric system? a. meter b. kilometer c. grams d. inches 4. Which of the following is used for very small lengths and precise linear measurements? a. centimeter b. decimeter c. millimeter d. kilometer 5. What is 715.9 centimeters in meters? a. 71.59 m b. 7 159 m c. 7.159 m d. 0.07159 m 6. How many square meters are there in 3 hectares? a. 300 000 sq. m b. 30 000 sq. m c. 3 000 sq. m d. 300 sq. m 7. What do we call the size of the region of a closed figure? a. volume b. perimeter c. area d. meter 8. Which of the following is also equal to 6.7 m²? a. 67 000 cm² b. 6 700 cm² c. 670 cm² d. 670 000 cm² 9. What is the unit used in measuring the area? a. square centimeter b. square kilometer c. square decimeter d. square meter 10. How many m² are there in 50 000 cm²? a. 50 m² b. 500 m² c. 50 000 m² d. 5 000 m² 11. A bag of powdered milk is 750 grams. What is the equivalent weight in kilograms? a. 7.5 grams b. .75 grams c. 0.075 grams d. 0.0075 grams 12. How many kilograms are there in 1 metric ton?

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Transcript of Robin High School Compre 2015

Comprehensive Examinationin MATHEMATICS 7

Name: Teacher: Sir Robin B. UberaGrade and Section: Date:

I. Read each question carefully. Encircle the letter of the correct answer.

1. The Burj Khalifa is the tallest skyscraper which measures 828 m. What is its measurement in millimeter? a. 82 800 mm b. 8 280 mm c. 8 280 000 mm d. 828 000 mm2. How many meters are there in 2 decameters? a. 2 000 m b. 200 m c. 20 m d. 20 000m3. What is the basic unit of length in the metric system? a. meter b. kilometer c. grams d. inches4. Which of the following is used for very small lengths and precise linear measurements? a. centimeter b. decimeter c. millimeter d. kilometer5. What is 715.9 centimeters in meters? a. 71.59 m b. 7 159 m c. 7.159 m d. 0.07159 m6. How many square meters are there in 3 hectares? a. 300 000 sq. m b. 30 000 sq. m c. 3 000 sq. m d. 300 sq. m7. What do we call the size of the region of a closed figure? a. volume b. perimeter c. area d. meter8. Which of the following is also equal to 6.7 m²? a. 67 000 cm² b. 6 700 cm² c. 670 cm² d. 670 000 cm²9. What is the unit used in measuring the area? a. square centimeter b. square kilometer c. square decimeter d. square meter10. How many m² are there in 50 000 cm²? a. 50 m² b. 500 m² c. 50 000 m² d. 5 000 m²11. A bag of powdered milk is 750 grams. What is the equivalent weight in kilograms? a. 7.5 grams b. .75 grams c. 0.075 grams d. 0.0075 grams12. How many kilograms are there in 1 metric ton? a. 100 kilograms b. 10 kilograms c. 1 000 kilograms d. 10 000 kilograms13. Which of the following is used only when large measurements are involved? a. centigram b. metric ton c. hectogram d. kilogram14. How many grams are there in 5 940 centigrams? a. 5.940 g b. 0.05940 g c. 594 g d. 59.40 g15. John Ildefonso carries his schoolbag weighing 1.83 kilograms. How much weight in grams is he carrying? a. 183 grams b. 18.30 grams c. 1 830 grams d. 18 300 grams16. What do we call the degree of hotness or coldness of a body? a. volume b. boiling point c. freezing point d. temperature17. How many °F are there in 60°C? a. 150 b. 130 c. 120 d. 14018. Which of the following is used in the metric system for measuring temperature? a. Fahrenheit b. Boiling c. Freezing d. Celsius19. What is the normal boiling point of fresh water in °C? a. 212 b. 37 c. 100 d. 6820. What is the normal body temperature in °C? a. 20 b. 68 c. 212 d. 3721. How many years are there in 5 decades? a. 500 years b. 25 days c. 50 days d. 250 days22. What do we call the definite period of season or duration? a. months b. years c. time d. minutes23. How many days are there in 10 weeks? a. 35 days b. 50 days c. 70 days d. 65 days24. How many days are there in 1 leap year? a. 365 days b. 366 days c. 360 days d. 368 days25. Which of the following is also the same as 2 days?

a. 24 hours b. 24 minutes c. 48 seconds d. 48 hours26. What is 1 score in terms of years? a. 10 years b. 20 years c. 30 years d. 40 years27. How many years are there in 9 centuries? a. 90 years b. 900 years c. 9 000 years d. 90 000 years28. What is 1 fortnight in terms of weeks? a. 20 weeks b. 4 weeks c. 40 weeks d. 2 weeks29. How many years are there in 15 decades? a. 1 500 years b. 15 000 years c. 150 years d. 150 000 years30. Mr. Cortez had stayed in US for 4 years. How many months did he stay in US? a. 24 months b. 36 months c. 72 months d. 48 months31. Which of the following is also the same as ‘diminished by 15’? a. increased by 15 c. decreased by 15 b. greater than 15 d. goes upward 15 times32. What symbol should be used if an area is increased by 70 sq. m? a. negative b. equal c. unequal d. positive33. The commercial airplane rose to an altitude of 2 700 ft. What number may represent the given? a. +2 700 b. –2 700 c. =2 700 d. .2 70034. What is the distance of each number represented by a point from 0 in the number line? a. positive b. expression c. negative d. absolute value35. What is the sum of 15 and – 37? a. 22 b. 52 c. – 22 d. – 52 36. Which of the following is also equal to – 56 + (- 32)? a. – 88 b. 24 c. – 24 d. 8837. What is the difference of 78 and – 11? a. 67 b. – 67 c. 89 d. – 8938. What is N in the given – 45 – (- 21)? a. 24 b. 66 c. – 66 d. – 24 39. If x = 90 and y = 45, what is x – y? a. 35 b. 45 c. 55 d. – 4540. What is a + b, if a = 98 and b = 102? a. 300 b. 210 c. 190 d. 20041. What is the product of – 11 and 7? a. – 77 b. – 17 c. 17 d. 7742. What is N in the given (- 15) (- 5) = N? a. 75 b. – 75 c. 65 d. – 6543. In the given 40 x N = - 1 600, what is N? a. 40 b. 14 c. – 14 d. – 40 44. What is the quotient of 250 and – 50? a. – 3 b. – 4 c. – 5 d. – 6 45. If a = 24 and b = - 3, what is a x b? a. 72 b. 62 c. – 62 d. – 72 46. What is N in the given 48 ÷ (- 8) = N? a. – 3 b. – 4 c. – 5 d. – 6 47. What is the value of N in the given, (56) (- 6) = N? a. 326 b. – 326 c. 336 d. – 32648. What is N in the given 810 ÷ - 90 = N? a. 8 b. 9 c. 10 d. 1149. If m = 60 and n = - 5, what is m x n? a. – 200 b. – 400 c. – 500 d. – 30050. What is x ÷ y if x = - 728 and y = - 8? a. 81 b. 91 c. – 81 d. – 9151. What do we call an expression that contains a variable, a constant or a combination of constants and variables? a. mathematical b. linear c. algebraic d. quadratic52. In the given 6x + 25, how many variables are there? a. 4 b. 2 c. 1 d. 353. What are the constants in the given 5m + 10n? a. 5 and 10 b. m and n c. 5 and m d. 10 and n54. What do we call a variable with a specific value? a. coefficient b. constant c. expression d. numbers

55. Which of the following is also the same as ‘the sum of 11 and 68’? a. 11 – 68 b. 11 ÷ 68 c. 11 x 68 d. 11 + 6856. What symbol of operation represents plus, more, increased and exceed by? a. + b. ÷ c. - d. x57. Which is also the same with the mathematical phrase 10 more than a number m? a. m + 10 b. m – 10 c. 10 – m d. 10 + m58. What do we call the letters or symbols used in representing a number? a. constant b. variable c. expression d. phrase59. What are the variables in the given 16b + 33c? a. 16 and 33 b. 16 and b c. 33 and c d. b and c60. Which of the following is also the same with the mathematical phrase thrice a number s decreased by 18? a. 3s + 18 b. 18 + 3s c. 3s – 18 d. 18 – 3s61. What is the value of N in the given 45m + 46m = N? a. 81m b. 91m c. 101m d. 121m62. What is the value of N in the given 40n – (-34n) = N? a. 6n b. – 6n c. – 74n d. 74n63. What is the sum of 25xy + 34ab and 56xy – 23ab? a. 81xy + 11ab b. 81xy – 11ab c. 71xy + 57ab d. 71xy – 57ab

64. What is the product of 2x + 12 and 3x – 10? a. 6x² + 20x – 120 b. 6x² + 36x – 120 c. 6x² + 16x – 120 d. 6x² - 20x + 120 65. What is the quotient of 35ab + 42xy – 14 and 7? a. 5ab + 6xy – 2 b. 5ab + 6xy + 2 c. 5ab + 7xy – 2 d. 5ab + 7xy + 2 66. Which of the following is a binomial? a. 14ab²c b. 3st + 5s² - 10t² c. 5mn + 12m² d. 100xyz² 67. Which of the following is a monomial? a. 23a + 35c b. 98xy + 11x³ c. 15x³ + 28xy + 9 d. 38st² 68. What is N in the given (34m) (12m) = N? a. 388m² b. 398m² c. 408m² d. 418m²

69. What is (5n) (15n)? a. 65n² b. 75n² c. 85n² d. 95n²70. What is (x + 5) (x – 5)? a. x² + 10x – 25 b. x² - 10x + 25 c. x² - 25 d. x² + 2571. What is the solution set of x + 10 = 28? a. 38 b. 28 c. 18 d. 872. What should be the value of x to make (x – 3 = 19) correct? a. 22 b. 23 c. 32 d. 3373. Which of the following is an equation? a. x + 4 > 12 b. x + 4 < 12 c. x + 4 d. x + 4 = 1274. Which of the following is the same as ‘the sum of x and 45’? a. x – 45 b. x + 45 c. (x) (45) d. x/4575. Which of the following is the solution set of x + 11 > 48? a. x < 37 b. x > 59 c. x < 59 d. x > 3776. What property is shown by (a = a)? a. symmetric b. transitive c. reflexive d. substitution77. Which of the following shows symmetric property?

a. 38 = 38 b. 20 + 18 = 38 c. 39 > 38 d. 20 + 18 = 38, 38 = 20 + 18

78. What property is shown in the given, x + y = y = x? a. associative b. identity c. inverse d. commutative79. Which of the following shows identity property?

a. 15 + 0 = 15 b. 15 + 1 = 1 + 15 c. 15 + 1 = 16 d. 15 + (-15) = 0 80. Which of the following is missing in the given, 8 + (-8) = _____?

a. 16 b. -16 c. 0 d. 181. What do we call the statement which is accepted as true without proof? a. definition b. postulate c. theorem d. corollary 82. Which of the following is any statement that can be proved true? a. definition b. postulate c. theorem d. corollary83. How many statements are there in a conditional form? a. 5 b. 4 c. 3 d. 2

84. What do we call the combination of conditional statement and its converse which are both true? a. hypothesis b. conclusion c. biconditional d. axiom85. What branch of mathematics deals with shapes that we see in the world each day? a. Calculus b. Algebra c. Geometry d. Statistics86. Who is the first to develop Geometry in ancient times? a. Democritus b. Aristotle c. Euclid d. Plato87. In the given, “If two angles are supplementary, then the sum of their measures is 180˚”, the underlined statement is called _______________. a. hypothesis b. conclusion c. postulate d. theorem88. Which of the following is represented by a dot? a. line b. plane c. angle d. point89. What is the set of all points? a. space b. figure c. plane d. line90. What do we call those lines with common point? a. collinear b. intersecting c. parallel d. concurrent

II. Read each question about mean, median and mode then encircle the letter of your answer.

91. Asam took 7 maths tests and got scores of 68, 71, 71, 84, 53, 62 and 67. What was Asam's mode score?

 a. 63

 b. 68

 c. 71

92. What is the mean average of these numbers: 18, 12, 10, 10, 25?

 a. 10

 b. 12

 c. 15

93. The mean average of three numbers is 8. Two of the numbers are 11 and 7. What is the third number?

 a. 6

 b. 7

 c. 8

94. The temperature in degrees Celsius over 4 days in July was 21, 21, 19 and 19. What was the mean temperature?

 a. 19 degrees Celsius

 b. 20 degrees Celsius

 c. 21 degrees Celsius

95. What is the mode of these numbers: 75, 78, 75, 71, 78, 25, 75, 29?

 a. 25

 b. 75

 c. 78

96. Five children have heights of 138 cm, 135 cm, 140 cm, 139 cm and 141 cm. What is the range of their heights?

 a. 6 cm

 b. 7 cm

 c. 8 cm.97. What is the median of these numbers: 2.4, 2.8, 2.3, 2.9, 2.9?

 a. 2.3

 b. 2.8

 c. 2.9

98. The cost of five cakes is 28p, 19p, 45p, 45p, 15p. What is the median cost?

 a. 28p

 b. 15p

 c. 45p

99. What is the range of this group of numbers: 75, 39, 75, 71, 79, 55, 75, 59?

 a. 40

 b. 71

 c. 75

100. What is the median of these numbers: 10, 3, 6, 10, 4, 8?

 a. 6

 b. 7

 c. 8

“The difference between school and life, in school, you’re taught a lesson and then given a test. In life, you’re given a test that teaches you a lesson.”

Tom Bodett

…..GOOD LUCK Grade 7…..

Comprehensive Examination in Mathematics 8

Name: Teacher: Sir Robin B. UberaGrade and Section: Date:

I. Read each question carefully. Encircle the letter of the correct answer.

1. In what quadrant is (-3,5) found? a. I b. II c. III d. IV2. Which of the following ordered pairs lies on the x-axis? a. (-5,0) b. (0,-5) c. (2,1) d. (-3,6)3. Determine the x-intercept of x – 4y = 2. a. 2 b. -2 c. 4 d. -44. The y-intercept of the line 2x + 2y + 8 = 0 is: a. -4 b. 2 c. 8 d. 05. Which of the following ordered pairs is a solution of the operation 7x + y = -12? a. (12,-7) b. (7,-12) c. (9,-3) d. (-3,9)6. Which system is inconsistent? a. 3y = 6x + 15; y – 7x – 3 = 0 b. y + x = 3; y + 4x = 1 c. y – 2x = 4; 2y = 4x + 6 d. x = -5y +3; y = 3x + 47. Which of the following is parallel to 3x – 3y = 12? a. y = x – 4 b. 2x + 7 = 5y c. y = -x + 12 d. y – 3x = 98. The slope of the line 5x – 3y + 6 = 0 is: a. -3/5 b. 3/5 c. -5/3 d. 5/39. Which ordered pair belong to the set of inequality 2x – y < 4? a. (4,-3) b. (3,1) c. (0,-5) d. (5,2)10. The solution set of 3x + 4y + 2 > 0 include: a. (2,-4) b. (2,-2) c. (-3,-1) d. (6,-6)11. What do we call the graph of a linear equation in two variables? a. a point b. a ray c. a line d. a segment12. Which of the following is a solution of the equation 5x + 3y = -7? a. (1,-2) b. (-2,1) c. (-1,2) d. (2,-1)13. The lines 4x + 3y = 2 and 8x + 6y = 3 are __________. a. intersecting b. parallel c. coincident d. perpendicular14. Which of the following equation has a graph perpendicular to y = 2x – 3? a. y = 1/2x – 3 b. y = -1/2x + 3 c. y = 2x – 1/3 d. y = -2x + 1/315. Which system has overlapping line graphs? a. x + 2y = 3; x + 2y = -3 b. x + 2y = 3; 2x + y = -3 c. x + 2y = 3; 2x + 4y = -3 d. x + 2y = 3; 2x + 4y = 6 16. What system of linear equations has no solution? a. consistent b. dependent c. independent d. inconsistent17. The sum of two numbers is 54 and their difference is 18. What is their product? a. 36 b. 648 c. 54 d. 97218. The tens digit of a two-digit number is half the units digit. If their difference is 4, what is the number? a. 48 b. 36 c. 12 d. 2419. Translate the statement ‘the sum of two numbers is at most 51’? a. x + y > 51 b. x + y > 51 c. x + y < 51 d. x + y < 5120. What can be said about the line Ax + By = C when A = B? a. The line passes through the origin. b. The line is parallel to the x-axis c. The line is perpendicular to the y-axis.

d. The line points upward to the left.21. Which of the following phrase is also the same as ‘152’?

a. Fifteen to the third power c. Fifteen squaredb. Fifteen cubed d. Fifteen to the fourth power

22. How can we translate ‘9 to the third power’?a. 94 b. 95 c. 92 d. 93

23. Which of the following tells how many times a base is to be used as a factor?a. exponent b. power c. value d. notation

24. In the given (25xy)2, what is the exponent used?a. 25 b. x c. y d. 2

25. Which of the following is the same as 4 x 4 x 4 x 4 x 4?a. 42 b. 43 c. 45 d. 46

26. Which of the following is the value of 210?a. 128 b. 512 c. 1 024 d. 256

27. What is the value of 5 x 5 x 5?a. 25 b. 75 c. 125 d. 225

28. Which of the following is the same as 9 x 9 x m x m x m x m?a. 81m3 b. 81m4 c. 18m3 d. 18m4

29. In the given (12abc)3, what is the value of b?a. b2 b. b5 c. b4 d. b3

30. In 244, 24 is the _______________?a. base b. exponent c. notation d. power

31. What is 5x3 times 24x7?a. 120x21 b. 120x10 c. 29x21 d. 29x10

32. What is the value of (32)5?a. 37 b. 32 c. 35 d. 310

33. Which of the following is equal to (a5) (a7)?a. a5 b. a7 c. a12 d. a35

34. What is 12x3 times 4x6?a. 48x9 b. 48x18 c. 16x9 d. 16x18

35. What is the value of 280?a. 2 b. 3 c. 1 d. 0

36. What is 340 + 25?a. 25 b. 34 c. 59 d. 26

37. What is 82 + 80?a. 64 b. 8 c. 16 d. 65

38. In 2x = 16, what is x?a. 2 b. 3 c. 4 d. 16

39. Which of the following is also equal to 81?a. 32 b. 33 c. 35 d. 34

40. What is x in the given, 4x = 64?a. 3 b. 4 c. 5 d. 2

41. What is the product of – 11 and 7? a. – 77 b. – 17 c. 17 d. 7742. What is N in the given (- 15) (- 5) = N? a. 75 b. – 75 c. 65 d. – 6543. In the given 40 x N = - 1 600, what is N? a. 40 b. 14 c. – 14 d. – 40 44. What is the quotient of 250 and – 50? a. – 3 b. – 4 c. – 5 d. – 6 45. If a = 24 and b = - 3, what is a x b? a. 72 b. 62 c. – 62 d. – 72 46. What is N in the given 48 ÷ (- 8) = N? a. – 3 b. – 4 c. – 5 d. – 6 47. What is the value of N in the given, (56) (- 6) = N? a. 326 b. – 326 c. 336 d. – 32648. What is N in the given 810 ÷ - 90 = N? a. 8 b. 9 c. 10 d. 1149. If m = 60 and n = - 5, what is m x n? a. – 200 b. – 400 c. – 500 d. – 30050. What is x ÷ y if x = - 728 and y = - 8? a. 81 b. 91 c. – 81 d. – 91

51. What do we call an expression that contains a variable, a constant or a combination of constants and variables? a. mathematical b. linear c. algebraic d. quadratic52. In the given 6x + 25, how many variables are there? a. 4 b. 2 c. 1 d. 353. What are the constants in the given 5m + 10n? a. 5 and 10 b. m and n c. 5 and m d. 10 and n54. What do we call a variable with a specific value? a. coefficient b. constant c. expression d. numbers55. Which of the following is also the same as ‘the sum of 11 and 68’? a. 11 – 68 b. 11 ÷ 68 c. 11 x 68 d. 11 + 6856. What symbol of operation represents plus, more, increased and exceed by? a. + b. ÷ c. - d. x57. Which is also the same with the mathematical phrase 10 more than a number m? a. m + 10 b. m – 10 c. 10 – m d. 10 + m58. What do we call the letters or symbols used in representing a number? a. constant b. variable c. expression d. phrase59. What are the variables in the given 16b + 33c? a. 16 and 33 b. 16 and b c. 33 and c d. b and c60. Which of the following is also the same with the mathematical phrase thrice a number s decreased by 18? a. 3s + 18 b. 18 + 3s c. 3s – 18 d. 18 – 3s61. What is the value of N in the given 45m + 46m = N? a. 81m b. 91m c. 101m d. 121m62. What is the value of N in the given 40n – (-34n) = N? a. 6n b. – 6n c. – 74n d. 74n63. What is the sum of 25xy + 34ab and 56xy – 23ab? a. 81xy + 11ab b. 81xy – 11ab c. 71xy + 57ab d. 71xy – 57ab

64. What is the product of 2x + 12 and 3x – 10? a. 6x² + 20x – 120 b. 6x² + 36x – 120 c. 6x² + 16x – 120 d. 6x² - 20x + 120 65. What is the quotient of 35ab + 42xy – 14 and 7? a. 5ab + 6xy – 2 b. 5ab + 6xy + 2 c. 5ab + 7xy – 2 d. 5ab + 7xy + 2 66. Which of the following is a binomial? a. 14ab²c b. 3st + 5s² - 10t² c. 5mn + 12m² d. 100xyz² 67. Which of the following is a monomial? a. 23a + 35c b. 98xy + 11x³ c. 15x³ + 28xy + 9 d. 38st² 68. What is N in the given (34m) (12m) = N? a. 388m² b. 398m² c. 408m² d. 418m²

69. What is (5n) (15n)? a. 65n² b. 75n² c. 85n² d. 95n²70. What is (x + 5) (x – 5)? a. x² + 10x – 25 b. x² - 10x + 25 c. x² - 25 d. x² + 2571. What is the solution set of x + 10 = 28? a. 38 b. 28 c. 18 d. 872. What should be the value of x to make (x – 3 = 19) correct? a. 22 b. 23 c. 32 d. 3373. Which of the following is an equation? a. x + 4 > 12 b. x + 4 < 12 c. x + 4 d. x + 4 = 1274. Which of the following is the same as ‘the sum of x and 45’? a. x – 45 b. x + 45 c. (x) (45) d. x/4575. Which of the following is the solution set of x + 11 > 48? a. x < 37 b. x > 59 c. x < 59 d. x > 3776. What property is shown by (a = a)? a. symmetric b. transitive c. reflexive d. substitution77. Which of the following shows symmetric property?

a. 38 = 38 b. 20 + 18 = 38 c. 39 > 38 d. 20 + 18 = 3878. What property is shown in the given, x + y = y = x? a. associative b. identity c. inverse d. commutative79. Which of the following shows identity property?

a. 15 + 0 = 15 b. 15 + 1 = 1 + 15 c. 15 + 1 = 16 d. 15 + (-15) = 0 80. Which of the following is missing in the given, 8 + (-8) = _____?

a. 16 b. -16 c. 0 d. 181. What equation can be expressed in the form y = mx + b? a. polynomial b. linear c. quadratic d. inverse 82. Which of the following is NOT a linear equation? a. y = 3x – 5 b. y = x² + 4 c. y = 5x + 9 d. y = 3 – 2x 83. Which of the following is represented by letter m in the equation y = mx + b? a. x-intercept b. y-intercept c. slope d. point84. What is the slope if the line rises from left to right? a. undefined b. positive c. negative d. zero85. What is the slope if the line is horizontal? a. undefined b. positive c. negative d. zero86. What is the point where the graph intersects the x-axis? a. x-intercept b. y-intercept c. a-intercept d. b-intercept87. What is the point where the graph intersects the y-axis? a. x-intercept b. y-intercept c. a-intercept d. b-intercept88. What is the standard form of the equation y + 3x – 15 = 0? a. 3x + y = -15 b. 3x + y = 15 c. 3x – y = -15 d. 3x – y = 1589. What is the slope if the ordered pairs are (3,5) and (4,9)?

a. 3 b. 5 c. 13

d. 15

90. What is the line of an undefined slope? a. rises from left to right c. horizontal

b. rises from right to left d. vertical

II. Read each question about mean, median and mode then encircle the letter of your answer.

91. Asam took 7 maths tests and got scores of 68, 71, 71, 84, 53, 62 and 67. What was Asam's mode score?

 a. 63

 b. 68

 c. 71

92. What is the mean average of these numbers: 18, 12, 10, 10, 25?

 a. 10

 b. 12

 c. 15

93. The mean average of three numbers is 8. Two of the numbers are 11 and 7. What is the third number?

 a. 6

 b. 7

 c. 8

94. The temperature in degrees Celsius over 4 days in July was 21, 21, 19 and 19. What was the mean temperature?

 a. 19 degrees Celsius

 b. 20 degrees Celsius

 c. 21 degrees Celsius

95. What is the mode of these numbers: 75, 78, 75, 71, 78, 25, 75, 29?

 a. 25

 b. 75

 c. 78

96. Five children have heights of 138 cm, 135 cm, 140 cm, 139 cm and 141 cm. What is the range of their heights?

 a. 6 cm

 b. 7 cm

 c. 8 cm.97. What is the median of these numbers: 2.4, 2.8, 2.3, 2.9, 2.9?

 a. 2.3

 b. 2.8

 c. 2.9

98. The cost of five cakes is 28p, 19p, 45p, 45p, 15p. What is the median cost?

 a. 28p

 b. 15p

 c. 45p

99. What is the range of this group of numbers: 75, 39, 75, 71, 79, 55, 75, 59?

 a. 40

 b. 71

 c. 75

100. What is the median of these numbers: 10, 3, 6, 10, 4, 8?

 a. 6

 b. 7

 c. 8

“The difference between school and life, in school, you’re taught a lesson and then given a test. In life, you’re given a test that teaches you a lesson.”

Tom Bodett

…..GOOD LUCK Grade 8…..

Comprehensive Examination

in Mathematics 9

Name: Teacher: Sir Robin B. UberaGrade and Section: Date:

I. Read each question carefully. Then write the letter of your answer on the space provided.

1. What do we call the statement which is accepted as true without proof? a. definition b. postulate c. theorem d. corollary 2. Which of the following is any statement that can be proved true? a. definition b. postulate c. theorem d. corollary3. How many statements are there in a conditional form? a. 5 b. 4 c. 3 d. 2 4. What do we call the combination of conditional statement and its converse which are both true? a. hypothesis b. conclusion c. biconditional d. axiom 5. What branch of mathematics deals with shapes that we see in the world each day? a. Calculus b. Algebra c. Geometry d. Statistics6. Who is the first to develop Geometry in ancient times? a. Democritus b. Aristotle c. Euclid d. Plato7. In the given, “If two angles are supplementary, then the sum of their measures is 180˚”, the underlined statement is called _______________. a. hypothesis b. conclusion c. postulate d. theorem 8. Which of the following is represented by a dot? a. line b. plane c. angle d. point 9. What is the set of all points? a. space b. figure c. plane d. line 10. What do we call those lines with common point? a. collinear b. intersecting c. parallel d. concurrent11. What is formed from the set of all points at a given distance from a given point? a. square b. circle c. rectangle d. octagon 12. Which of the following is NOT a part of a circle? a. secant b. tangent c. side d. arc13. What do we call the angle of a circle whose vertex is the center of the circle? a. semi circle b. central angle c. inscribed angle d. arc angle14. What does “The Semicircle Theorem” state? a. An angle inscribed in a semicircle is an obtuse angle.

b. An angle inscribed in a semicircle is an acute angle.c. An angle inscribed in an arc is a right angle.d. An angle inscribed in a semicircle is a right angle.

15. Which of the following divides a circle into two semicircles? a. tangent b. secant c. diameter d. center16. What do we call the distance around the circle?

a. circumference b. perimeter c. area d. volume17. What do we call those circles with the same radius?

a. equal b. the same c. congruent d. intersecting18. Which refers to two circles whose intersection is exactly one point?

a. tangent lines b. tangent circles c. arc tangents d. common arc19. Which of the following intersects the line of centers?

a. common internal tangent c. internally tangent circlesb. common external tangent d. externally tangent circles

20. What tangent circles have common tangent which intersects the line of centers?

a. common internal tangent c. internally tangent circlesb. common external tangent d. externally tangent circles

21. Which of the following phrase is also the same as ‘152’?a. Fifteen to the third power c. Fifteen squaredb. Fifteen cubed d. Fifteen to the fourth power

22. How can we translate ‘9 to the third power’?a. 94 b. 95 c. 92 d. 93

23. Which of the following tells how many times a base is to be used as a factor?a. exponent b. power c. value d. notation

24. In the given (25xy)2, what is the exponent used?a. 25 b. x c. y d. 2

25. Which of the following is the same as 4 x 4 x 4 x 4 x 4?a. 42 b. 43 c. 45 d. 46

26. Which of the following is the value of 210?a. 128 b. 512 c. 1 024 d. 256

27. What is the value of 5 x 5 x 5?a. 25 b. 75 c. 125 d. 225

28. Which of the following is the same as 9 x 9 x m x m x m x m?a. 81m3 b. 81m4 c. 18m3 d. 18m4

29. In the given (12abc)3, what is the value of b?a. b2 b. b5 c. b4 d. b3

30. In 244, 24 is the _______________?a. base b. exponent c. notation d. power

31. What is 5x3 times 24x7?a. 120x21 b. 120x10 c. 29x21 d. 29x10

32. What is the value of (32)5?a. 37 b. 32 c. 35 d. 310

33. Which of the following is equal to (a5) (a7)?a. a5 b. a7 c. a12 d. a35

34. What is 12x3 times 4x6?a. 48x9 b. 48x18 c. 16x9 d. 16x18

35. What is the value of 280?a. 2 b. 3 c. 1 d. 0

36. What is 340 + 25?a. 25 b. 34 c. 59 d. 26

37. What is 82 + 80?a. 64 b. 8 c. 16 d. 65

38. In 2x = 16, what is x?a. 2 b. 3 c. 4 d. 16

39. Which of the following is also equal to 81?a. 32 b. 33 c. 35 d. 34

40. What is x in the given, 4x = 64?a. 3 b. 4 c. 5 d. 2

41. What is the product of – 11 and 7? a. – 77 b. – 17 c. 17 d. 7742. What is N in the given (- 15) (- 5) = N? a. 75 b. – 75 c. 65 d. – 6543. In the given 40 x N = - 1 600, what is N? a. 40 b. 14 c. – 14 d. – 40 44. What is the quotient of 250 and – 50? a. – 3 b. – 4 c. – 5 d. – 6 45. If a = 24 and b = - 3, what is a x b? a. 72 b. 62 c. – 62 d. – 72 46. What is N in the given 48 ÷ (- 8) = N? a. – 3 b. – 4 c. – 5 d. – 6 47. What is the value of N in the given, (56) (- 6) = N? a. 326 b. – 326 c. 336 d. – 32648. What is N in the given 810 ÷ - 90 = N? a. 8 b. 9 c. 10 d. 1149. If m = 60 and n = - 5, what is m x n? a. – 200 b. – 400 c. – 500 d. – 300

50. What is x ÷ y if x = - 728 and y = - 8? a. 81 b. 91 c. – 81 d. – 91

II. Identify the part of the circle shown or described in the following. Choose your answer from the box. Write the letters only.

_____51. It is a line that intersects the circle in two points._____52. It is the distance across the circle through its center._____53. It is a line, coplanar with the circle that intersects the circle in exactly one point._____54. It is the distance from the center to any point on the circle._____55. It is a segment whose endpoints lie on the circle.

Label the parts of the circle. (nos. 56 – 60)

III. Read each question carefully. Then write the letter of the correct answer on the space provided.

_____56. Which of the following is an example of inequality? a. x = 2 b. 2x = 40 + 6 c. x > 5 d. 5x + x = 16_____57. What do we call the mathematical sentence that compares using >, <, or ≠? a. equation b. polynomial c. expression d. inequality_____58. Which is the same as “six is less than a number”? a. 6 ≠ x b. 6 > x c. 6 < x d. 6 ≥ x_____59. Which of the following is a solution of the given inequality, x > 0? a. all positive real numbers

b. all negative real numbersc. all real numbersd. all real numbers except zero

_____60. Which symbol is NOT used in writing inequalities? a. ≤ b. ≠ c. = d. >

IV. Classify the following as equation or inequality. Write the letter only.

_____61. 2x + 5 – 5x + 15 > 7x – 11 – 9x + 7 a. equation b. inequality_____62. –4x + 20 < –2x – 28 a. equation b. inequality _____63. 6x + 8 = 4x + 10 a. equation b. inequality_____64. 12 + 8x + 10x < 20 a. equation b. inequality_____65. 20 + 3x – 15 – 5x = –2x + 5 – x a. equation b. inequality _____66. 6x + 8 > 4x + 10 a. equation b. inequality_____67. 12 + 8y – 10y = 14 + 3x a. equation b. inequality_____68. x + 10 < 3x – 20 a. equation b. inequality _____69. –12 + 5x – 3 – 3x = –8x + 5 a. equation b. inequality

a. Tangent b. Secant c. Chord d. Radius e. Diameter

_____70. 23 x + 14 < 10x + 24 a. equation b. inequality

V. Match each example in column A with the property of inequality in column B. Write the letter of your answer on the space provided.

A B

_____71. a > b, then a + c > b + c a. Trichotomy Property_____72. a < b, a = b, or a > b b. Transitive Property_____73. a > b, then ac > bc c. Addition Property_____74. a > b, then a – c > b – c d. Subtraction Property_____75. a < b, then ac < bc e. Multiplication Property_____76. a < b and b < c, then a < c_____77. c > b and b > a, then c > a_____78. a < b, then a + c < b + c_____79. a < b, then a – c < b – c _____80. x > y, then x – z > y – z VI. A. Classify the following lines or segments. Write the letter of your answer only.

a. tangent b. secant c. chord

81. 86.

82. 87.

83. 88.

84. 89.

85. 90.

II. Read each question about mean, median and mode then encircle the letter of your answer.

91. What is the mean of the data set given below? 10.2 , 10.5 , 10.9 , 10.2 , 10.6 , 10.0 A) 10.1 B) 10.2 C) 10.3 D) 10.4 E) 10.5

92. Which of the statements, related to the mean, mode and median of the data set given below is true? 12 , 15 , 10 , 19 , 5 , 5 A) the mean is equal to the median B) the mode is larger than the mean 

C) the median is smaller than the mode D) the above data set has two modes E) The median of the above data is equal to 14.593. What is(are) the mode(s) of the data set given below?  20.1 , 30.5 , 10.1 , 20.1 , 10.6 , 30.5 , 10.1 , 10.5 A) one mode: 10.1 B) one mode: 30.1 C) two modes: 20.1 and 30.1 D) three modes: 10.1 , 20.1 and 30.5 E) this data set has no modes

94. What is the median of the data set given below? 0 , 12 , 5 , 45 , 12 , 8 , 2 A) 45  B) 8  C) 25  D) 18.5  E) 12

95. What is the mean of the fractions 2/3 , 5/6 and 1/2? A) 2 B) 8/33 C) 1/3 D) 25/11 E) 2/3

96. What is the median of the data set given below? 0.3 , 0.33 , 0.003 , 0.31 , 0.0003 A) 0.003 B) 0.33 C) 0.31 D) 0.0003 E) 0.3

97. Which of these data sets has no mode(s)? A) 57 , 24 , 57 , 21 , 49 B) 23 , 24 , 56 , 21 , 43 C) 20 , 20 , 20 , 20 , 20 D) 2000 , 3000 , 4000 , 2000 , 20000 E) 5 , 6 , 7 , 8 , 9 , 5

98. What is the mean, median and mode of the following data set?  101 , 99 , 102 , 105 , 100 , 98 , 102 A) mean = 101 , median = 101 , mode = 102 B) mean = 101 , median = 102 , mode = 101 C) mean = 100 , median = 105 , mode = 102 D) mean = 100 , median = 105 , mode = 101 E) mean = 100 , median = 100 , mode = 100

99. Which of these data sets has a mean less than 100? A) 101 , 99 , 102 , 99 , 100 B) 90 , 110 , 101 , 100 , 100 C) 100 , 100 , 100 , 100 , 99 D) 50 , 155 , 101 , 100 , 98 E) 0 , 101 , 100 , 201 , 100

100. Which of the following data sets has the largest mean? A) 2001 , 2002 , 2008 , 2010 B) 2000 , 2010 , 2005 , 2002 C) 2999 , 1000 , 2001 , 2002 D) 2000 , 2000 , 2000 , 2000 E) 2010 , 2004 , 2012 , 2020

“The difference between school and life, in school, you’re taught a lesson and then given a test. In life, you’re given a test that teaches you a lesson.”

Tom Bodett

…..GOOD LUCK Grade 9…..

Comprehensive Examinationin SCIENCE 7

Name: Teacher: Sir Robin B. UberaGrade and Section: Date:

I. Read each question carefully. Encircle the letter of the correct answer.

1. What do we call the continuous search for explanations on how and why things happen under different conditions? a. science b. process c. superstition d. technology2. Which of the following is also known as applied science? a. science b. process c. superstition d. technology3. What do we call the beliefs followed and practiced by a particular group? a. science b. process c. superstition d. technology4. What do we call the orderly and systematic procedure or method used by the scientists? a. scientific method b. hypothesis c. scientific process d. experiment5. Which of the following is the tentative answer or idea about the cause of the problem? a. observation b. experiment c. prediction d. hypothesis6. What do we call the process of grouping things according to one or more categories? a. communicating b. predicting c. classifying d. observing7. What is the process of interpreting an observation or a statement based on one’s presumption? a. experiment b. inference c. observation d. conclusion8. What do we call the factors that may affect the result of an experiment? a. hypothesis b. prediction c. variable d. constant9. Which of the following is used for measuring temperature? a. test tube b. platform balance c. triple beam balance d. thermometer10. What laboratory tool is used for picking up and holding materials? a. funnel b. watch glass c. tongs d. alcohol lamp11. Which of the following is not used as a heating material or apparatus? a. tripod b. alcohol lamp c. test tube rack d. gas burner12. Which character should not be possessed by a scientist? a. intellectually honest b. selfish c. curious d. open-minded13. Scientists, from time to time, think of something they can work on. What trait is shown in the given statement? a. objective b. humble c. creative d. rational14. Which of the following describes a scientist? a. He is an inventor of information. b. He is an investigator of various occurrences. c. He is an average student of the natural and physical sciences. d. He is a specialist, an expert, or an investigator of the natural or physical sciences.15. Who is known for his idea about the geocentric universe? a. William Harvey b. Aristotle c. Nicolas Copernicus d. Louis Pasteur16. Who is known because of her study about radioactivity? a. John Dalton b. Michael Faraday c. Benjamin Franklin d. Marie Curie17. Who is the first to present an organized encyclopedia? a. Max Planck b. Marie Curie c. Henri Becquerel d. Aristotle18. Scientists avoid prejudices. What trait of a scientist is shown? a. rational b. curious c. analytical d. objective19. What trait of a scientist is shown when he does not boast of his achievements? a. humble b. focused c. honest d. creative20. Who is the founder of the Quantum Theory? a. John Dalton b. Marie Curie c. Max Planck d. Michael Faraday

21. What is something that produces or prevents motion? a. pressure b. work c. force d. power22. Which force arises from the forces between atoms of different objects? a. nuclear b. electromagnetic c. gravitational d. frictional

23. When you whirl a plastic cup half filled with water in a horizontal direction, the water is prevented from spilling out of the cup. What the reason behind it? a. balanced force b. noncontact force c. centripetal force d. contact force24. Which force is applied in roller skating and running cars? a. starting friction b. rolling friction c. static friction d. sliding friction25. What do we call the force exerted per unit area? a. force b. power c. volume d. pressure26. What is the unit used in measuring force? a. kilograms b. meter c. Newton d. joule27. What do we call the change in position with reference to a body’s initial position? a. gravity b. inertia c. motion d. acceleration28. Which of the following is not a simple machine? a. fax machine b. inclined plane c. pulley d. screw29. Why do objects fall to the ground? a. They are pulled by the air. c. They are pulled by the moon. b. They are pulled by Earth. d. They go back to their natural place.30. If you are going up a building using its winding stairs, what machine are you using? a. lever b. screw c. inclined plane d. wheel and axle31. What do we call the space occupied by an object? a. mass b. weight c. volume d. height32. What do we call those atoms of the same element with the same number of protons but with different number of neutrons? a. atomic mass b. configuration c. atomic number d. isotopes33. What property of matter can give a substance its unique identity? a. extrinsic b. internal c. intrinsic d. external34. Which of the following is not an extrinsic property of matter? a. weight b. elasticity c. temperature d. color35. What do we call the tiny particles that make up a molecule? a. molecules b. atom c. element d. compound36. Which is not a part Dalton’s Atomic Theory? a. Elements are composed of small particles called atoms. b. Atoms can be created and destroyed. c. Atoms of the same element are exactly alike but have different masses. d. atoms can attract other atoms to form molecules.37. What do we call a material with only one particular kind of matter? a. mixture b. pure substance c. solution d. solvent38. What do we call the simplest substances in different states found in the environment? a. compound b. solution c. solvent d. element39. Which of the following is not a classification of elements? a. metals b. nonmetals c. pure metal d. metalloids40. Which of the following is involved in a chemical reaction? a. sun b. heat c. water d. oil41. What do we call those mixtures that are uniform and cannot been identified its component? a. solution b. suspension c. heterogeneous d. homogeneous42. Which of the following is not a classification of compounds? a. acid b. sugar c. salt d. base43. Which of the following can be used in separating mixtures physically? a. evaporation b. distillation c. synthesis d. filtration44. Which of the following is a homogeneous mixture? a. salt and water mixture c. pizza pie b. macaroni salad d. halo halo45. Which of the following is not a classification of mixture? a. solution b. solvent c. suspension d. colloid46. Which of the following does not describe matter? a. It has mass. c. It occupies space.

b. It cannot be broken into simpler forms. d. It has weight.47. Which of the following is a specific property of matter? a. mass b. density c. malleability d. impenetrability48. Which of the following substances is a mixture? a. salt b. paint c. sugar d. alcohol

49. Your teacher asked you to prepare a solution for your experiment. Which of the following mixtures should you prepare? a. oil and water b. sugar and water c. sulfur and water d. sand and water50. You are asked by your teacher to prepare a heterogeneous mixture as your assignment. Which of the following setups would you choose? a. salt with water b. soil with water c. coffee with milk d. iodine with water51. The scientist who determined that cells come from previously existing cells is ________. a. Anton Van Leeuwenhoek c. Rudolf Virchow b. Matthias Schleiden d. Theodor Schwann52. Which statement is not a principle of the cell theory is __________. a. Cells are the basic unit of life. b. All cells arise from preexisting cells. c. All matter consists of at least one cell. d. All organisms are made of one or more cells.53. Which of the following provides structure and support in plant cells? a. cell membrane b. cell wall c. cytoskeleton d. nuclear envelope54. What cell organelles process and package substances produced by the cell? a. golgi apparatus b. mitochondria c. ribosomes d. vacuoles55. Which cell organelle digests molecules, old organelles and foreign substances? a. chloroplast b. golgi apparatus c. lysosome d. mitochondrion56. Prokaryotes are organisms whose cells contain no __________. a. cytoplasm b. ribosome c. nucleus d. plasma membrane57. Which of the following is present in a prokaryotic organism? a. a nucleus c. membrane-bound organelles b. a cell membrane d. mitochondria58. Who is the first person to observe and describe microscopic organism and living cells? a. Anton Van Leeuwenhoek c. Rudolf Virchow b. Robert Hooke d. Theodor Schwann59. What do we call the short, numerous hair-like projections found on cells? a. cilia b. cytoskeleton c. flagella d. ribosomes60. Which of the following is present in a plant cell but absent in an animal cell? a. cell wall b. chromosomes c. mitochondria d. plasma membranes61. What do we call the double layer membrane which surrounds the nucleus? a. nuclear envelope b. nuclear matrix c. nuclear wall d. nuclear region62. What part of the cell regulates the movement of substances into and out of the cell? a. golgi apparatus b. mitochondrion c. nucleus d. cell membrane63. Cells that have high energy requirements generally have many __________. a. flagella b. microfilaments c. mitochondria d. nuclei64. Which of the following helps plant cells remain rigid? a. central vacuole b. chloroplast c. nucleus d. plasma membrane65. Which of the following is not a component of a nucleus? a. chromosomes b. DNA c. mitochondria d. RNA66. Which of the following is not a non energy nutrient? a. minerals b. proteins c. vitamins d. water67. Potatoes, noodles and rice are forms of what type of food? a. carbohydrates b. fats c. proteins d. vitamins68. Which of the following is a water-soluble vitamin? a. vitamin A b. vitamin C c. vitamin D d. vitamin K69. Which of the following conditions result from insufficient diet? a. anemia b. insomnia c. malnutrition d. nausea70. Which of the following is produced in the glands of the mouth? a. mucus b. pepsin c. ptyalin d. saliva71. Which organic compound is produced by the stomach? a. amylase b. bile c. lipase d. protease72. What is another name for the large intestine? a. anus b. colon c. digestive tract d. ileum

73. Which of the following is an energy-giving nutrient? a. fat b. mineral c. vitamin d. water74. What form do carbohydrates become after digestion? a. fats b. glucose c. peristalsis d. polysaccharide75. Mumps is a disease that occurs in what organ? a. colon b. intestine c. mouth d. stomach

76. Which of the following is not true on energy? a. All activities that people do require energy. b. Energy is the ability to do work. c. We can live even without energy. d. Energy makes it possible for a lot of things to be done.77. What do we call the energy at rest? a. kinetic b. mechanical c. electrical d. potential78. What energy is produced by a body due to the movement of its molecules? a. sound b. chemical c. heat d. light79. Light travels in a __________ path. a. circular b. wavy c. straight d. curve80. What is produced by the vibration of bodies? a. chemical b. heat c. sound d. light81. Joshua jogs for his morning exercise. What type of energy conversion is shown in his activity? a. heat to mechanical energy c. chemical to mechanical energy b. mechanical to heat energy d. mechanical to chemical energy82. Which of the following energy sources is both cheap and clean? a. hydroelectric power b. solar power c. geothermal power d. coal83. Which of the following descriptions shows potential energy? a. a ball bouncing c. firecrackers exploding b. a rock on a cliff d. a train speeding to its destination84. Which of the following energy sources is not harmful to the environment? a. hydroelectric power b. geothermal power c. petroleum d. coal85. Which of the following actions releases energy? a. burning wood c. filling a container with water b. sitting on a chair d. holding an unexploded grenade86. What do we call the ability to do work? a. light b. sound c. energy d. electricity 87. What does the Greek word energeia mean? a. in or at work b. without work c. outside work d. every work88. All potential energy can be changed to ________________. a. kinetic energy b. water energy c. wave energy d. wind energy89. Two objects with the same charge will always ________________. a. explode c. generate electric current b. pull toward each other d. push away from each other90. Which has potential energy? a. flying kite b. stone on a hill c. running car d. rolling skates91. The energy stored in the leaves of plants in photosynthesis is __________. a. heat energy c. light energy b. chemical energy d. mechanical energy92. A boy threw a ball over the fence. What energy did the moving ball have? a. heat energy c. light energy b. potential energy d. kinetic energy93. The energy of a moving object is called _____________. a. chemical energy c. kinetic energy b. nuclear energy d. potential energy94. Which of the following is not an example of kinetic energy being converted to

potential energy? a. releasing of arrow c. releasing a compressed spring b. pulling a plow d. a player jumping for a rebound.95. Which energy transformation occurs in an electric iron? a. heat to light c. light to heat b. heat to electricity d. electricity to heat96. Which type of energy uses magma or hot dry rocks to generate electricity?

a. hydroelectric b. geothermal c. nuclear d. solar97. Which of the following is not the use of sound energy? a. Sound is used to map ocean floor. b. Sound helps track earthquakes. c. Sound is used to generate electricity. d. Sound is used to see internal organs.

98. Which of the following provides earth with a continuous supply of energy? a. soil b. sun c. water d. wind99. Which of the following shows that chemical energy changes to mechanical energy? a. lighting of candle c. switching on a flashlight b. using sunlight to dry up clothes d. an athlete runs after drinking

water100. Why is energy important? a. It gives us direction. c. It is never destroyed. b. It makes things happen. d. It is the source of all work.

“A man who has never gone to school may steal from a freight car; but if he has a university education, he may steal the whole railroad.”

Theodore Roosevelt

…..GOOD LUCK Grade 7…..

Comprehensive Examinationin SCIENCE 8

Name: Teacher: Sir Robin B. UberaGrade and Section: Date:

I. Read each question carefully. Encircle the letter of the correct answer.

1. Who is the earliest Greek philosopher and the founder of Natural Philosophy?a. Thales of Miletus c. Democritusb. Leuccipus d. Aristotle

2. Atom comes from the Greek word atomos, what do you mean by atomos?a. indivisible b. indestructible c. uncuttable d. invisible

3. Who formulated the Law of Conservation of Matter?a. compound light b. simple c. compound d. electron

4. Which of the following is NOT stated in Dalton’s Atomic Theory?a. All matter is composed of tiny, indivisible particles called atoms.b. All atoms of an element are identical and have the same ‘properties.c. No two elements have the same atoms.d. Atoms can be created and destroyed.

5. Who created the X-rays?a. Millikan b. Becquerel c. Curie d. Roentgen

6. Which fundamental unit of atom has a positive charge?a. neutron b. electron c. isotopes d. proton

7. Who suggested that the negatively charged electrons were distributed about a positively charged nucleus?

a. Thomson b. Chadwick c. Rutherford d. Becquerel 8. Who gave the name neutron as a part of atom?

a. Chadwick b. Thomson c. Becquerel d. Rutherford9. What do we call the number of protons in a nucleus? a. atomic mass b. atomic notation c. isotopes d. atomic number10. What do we call those atoms with the same number of protons but with different numbers of neutrons?

a. atomic mass b. atomic notation c. isotopes d. atomic number11. Which character should not be possessed by a scientist? a. honest b. selfish c. curious d. open-minded12. Scientists, from time to time, think of something they can work on. What trait is shown in the given statement? a. objective b. humble c. creative d. rational13. Which of the following describes a scientist? a. He is an inventor of information. b. He is an investigator of various occurrences. c. He is an average student of the natural and physical sciences. d. He is a specialist, an expert, or an investigator of the natural or physical sciences.14. Who is known for his idea about the geocentric universe? a. William Harvey b. Aristotle c. Nicolas Copernicus d. Louis Pasteur15. Who is known because of her study about radioactivity? a. John Dalton b. Michael Faraday c. Benjamin Franklin d. Marie Curie16. Who is the first to present an organized encyclopedia? a. Max Planck b. Marie Curie c. Henri Becquerel d. Aristotle17. Scientists avoid prejudices. What trait of a scientist is shown? a. rational b. curious c. analytical d. objective18. What trait of a scientist is shown when he does not boast of his achievements?

a. humble b. focused c. honest d. creative19. Who is the founder of the Quantum Theory? a. John Dalton b. Marie Curie c. Max Planck d. Michael Faraday20. Which of the following is simply the push or pull of an object?

a. gravity b. inertia c. velocity d. work21. What is something that produces or prevents motion? a. pressure b. work c. force d. power22. Which force arises from the forces between atoms of different objects? a. nuclear b. electromagnetic c. gravitational d. frictional23. When you whirl a plastic cup half filled with water in a horizontal direction, the water is prevented from spilling out of the cup. What the reason behind it? a. balanced force b. noncontact force c. centripetal force d. contact force24. Which force is applied in roller skating and running cars? a. starting friction b. rolling friction c. static friction d. sliding friction25. What do we call the force exerted per unit area? a. force b. power c. volume d. pressure26. What is the unit used in measuring force? a. kilograms b. meter c. Newton d. joule27. What do we call the change in position with reference to a body’s initial position? a. gravity b. inertia c. motion d. acceleration28. Which of the following is not a simple machine? a. fax machine b. inclined plane c. pulley d. screw29. Why do objects fall to the ground? a. They are pulled by the air. c. They are pulled by the moon. b. They are pulled by Earth. d. They go back to their natural place.30. If you are going up a building using its winding stairs, what machine are you using? a. lever b. screw c. inclined plane d. wheel and axle31. What do we call the space occupied by an object? a. mass b. weight c. volume d. height32. What do we call those atoms of the same element with the same number of protons but with different number of neutrons? a. atomic mass b. configuration c. atomic number d. isotopes33. What property of matter can give a substance its unique identity? a. extrinsic b. internal c. intrinsic d. external34. Which of the following is not an extrinsic property of matter? a. weight b. elasticity c. temperature d. color35. What do we call the tiny particles that make up a molecule? a. molecules b. atom c. element d. compound36. Which is not a part Dalton’s Atomic Theory? a. Elements are composed of small particles called atoms. b. Atoms can be created and destroyed. c. Atoms of the same element are exactly alike but have different masses. d. atoms can attract other atoms to form molecules.37. What do we call a material with only one particular kind of matter? a. mixture b. pure substance c. solution d. solvent38. What do we call the simplest substances in different states found in the environment? a. compound b. solution c. solvent d. element39. Which of the following is not a classification of elements? a. metals b. nonmetals c. pure metal d. metalloids40. Which of the following is involved in a chemical reaction? a. sun b. heat c. water d. oil41. What do we call those mixtures that are uniform and cannot been identified its component? a. solution b. suspension c. heterogeneous d. homogeneous42. Which of the following is not a classification of compounds? a. acid b. sugar c. salt d. base43. Which of the following can be used in separating mixtures physically? a. evaporation b. distillation c. synthesis d. filtration44. Which of the following is a homogeneous mixture? a. salt and water mixture c. pizza pie b. macaroni salad d. halo halo45. Which of the following is not a classification of mixture?

a. solution b. solvent c. suspension d. colloid46. Which of the following does not describe matter? a. It has mass. c. It occupies space. b. It cannot be broken into simpler forms. d. It has weight.47. Which of the following is a specific property of matter? a. mass b. density c. malleability d. impenetrability

48. Which of the following substances is a mixture? a. salt b. paint c. sugar d. alcohol49. Your teacher asked you to prepare a solution for your experiment. Which of the following mixtures should you prepare? a. oil and water b. sugar and water c. sulfur and water d. sand and water50. You are asked by your teacher to prepare a heterogeneous mixture as your assignment. Which of the following setups would you choose? a. salt with water b. soil with water c. coffee with milk d. iodine with water51. The scientist who determined that cells come from previously existing cells is ________. a. Anton Van Leeuwenhoek c. Rudolf Virchow b. Matthias Schleiden d. Theodor Schwann52. Which statement is not a principle of the cell theory is __________. a. Cells are the basic unit of life. b. All cells arise from preexisting cells. c. All matter consists of at least one cell. d. All organisms are made of one or more cells.53. Which of the following provides structure and support in plant cells? a. cell membrane b. cell wall c. cytoskeleton d. nuclear envelope54. What cell organelles process and package substances produced by the cell? a. golgi apparatus b. mitochondria c. ribosomes d. vacuoles55. Which cell organelle digests molecules, old organelles and foreign substances? a. chloroplast b. golgi apparatus c. lysosome d. mitochondrion56. Prokaryotes are organisms whose cells contain no __________. a. cytoplasm b. ribosome c. nucleus d. plasma membrane57. Which of the following is present in a prokaryotic organism? a. a nucleus c. membrane-bound organelles b. a cell membrane d. mitochondria58. Who is the first person to observe and describe microscopic organism and living cells? a. Anton Van Leeuwenhoek c. Rudolf Virchow b. Robert Hooke d. Theodor Schwann59. What do we call the short, numerous hair-like projections found on cells? a. cilia b. cytoskeleton c. flagella d. ribosomes60. Which of the following is present in a plant cell but absent in an animal cell? a. cell wall b. chromosomes c. mitochondria d. plasma membranes61. Which of the following is not true on energy? a. All activities that people do require energy. b. Energy is the ability to do work. c. We can live even without energy. d. Energy makes it possible for a lot of things to be done.62. What do we call the energy at rest? a. kinetic b. mechanical c. electrical d. potential63. What energy is produced by a body due to the movement of its molecules? a. sound b. chemical c. heat d. light64. Light travels in a __________ path. a. circular b. wavy c. straight d. curve65. What is produced by the vibration of bodies? a. chemical b. heat c. sound d. light66. Joshua jogs for his morning exercise. What type of energy conversion is shown in his activity? a. heat to mechanical energy c. chemical to mechanical energy b. mechanical to heat energy d. mechanical to chemical energy67. Which of the following energy sources is both cheap and clean? a. hydroelectric b. solar power c. geothermal d. coal68. Which of the following descriptions shows potential energy? a. a ball bouncing c. firecrackers exploding

b. a rock on a cliff d. a train speeding to its destination69. Which of the following energy sources is not harmful to the environment? a. hydroelectric b. geothermal c. petroleum d. coal70. Which of the following actions releases energy? a. burning wood c. filling a container with water b. sitting on a chair d. holding an unexploded grenade

71. What do we call the ability to do work? a. light b. sound c. energy d. electricity 72. What does the Greek word energeia mean? a. in or at work b. without work c. outside work d. every work73. All potential energy can be changed to ________________. a. kinetic energy b. water energy c. wave energy d. wind energy74. Two objects with the same charge will always ________________. a. explode c. generate electric current b. pull toward each other d. push away from each other75. Which has potential energy? a. flying kite b. stone on a hill c. running car d. rolling skates76. The energy stored in the leaves of plants in photosynthesis is __________. a. heat energy c. light energy b. chemical energy d. mechanical energy77. A boy threw a ball over the fence. What energy did the moving ball have? a. heat energy c. light energy b. potential energy d. kinetic energy78. The energy of a moving object is called _____________. a. chemical energy c. kinetic energy b. nuclear energy d. potential energy79. Which of the following is not an example of kinetic energy being converted to

potential energy? a. releasing of arrow c. releasing a compressed spring b. pulling a plow d. a player jumping for a rebound.80. Which energy transformation occurs in an electric iron? a. heat to light c. light to heat b. heat to electricity d. electricity to heat81. Which type of energy uses magma or hot dry rocks to generate electricity? a. hydroelectric b. geothermal c. nuclear d. solar82. Which of the following provides earth with a continuous supply of energy? a. soil b. sun c. water d. wind83. Which of the following is not the use of sound energy? a. Sound is used to map ocean floor. b. Sound helps track earthquakes. c. Sound is used to generate electricity. d. Sound is used to see internal organs.84. Which of the following shows that chemical energy changes to mechanical energy? a. lighting of candle c. switching on a flashlight b. using sunlight to dry up clothes d. an athlete runs after drinking water85. Why is energy important? a. It gives us direction. c. It is never destroyed. b. It makes things happen. d. It is the source of all work.86. Which refers to the thinnest and the outermost layer of the Earth’s interior? a. mantle b. inner core c. outer core d. crust87. Which of the following comprises the entire center of the Earth’s interior? a. mantle b. inner core c. outer core d. crust88. Which of the following is a part of the Earth’s crust? a. continent b. ocean c. oxygen d. both a and b89. Which of the following is NOT a layer of the earth’s interior? a. crust b. mesosphere c. mantle d. core90. What is the next layer beneath the crust and under the Moho? a. mantle b. inner core c. outer core d. crust

PART 291. The parent material for all rocks is __________.

A. silica

B. quartz

C. granite

D. magma

92. Which of the following types of rock is produced by magma that cools deep below the earth's crust?

A. extrusive igneous

B. intrusive igneous

C. foliated metamorphic

D. chemical sedimentary93. Which of the following is an igneous rock?

A. limestone

B. gypsum

C. gneiss

D. basalt94. The processes responsible for changing sediments into sedimentary rock are compaction

and __________.

A. foliation

B. cementation

C. intrusion

D. stratification95. Which of the following is an organic sedimentary rock?

A. basalt

B. coal

C. conglomerate

D. sandstone96. Chalk is a type of __________.

A. coal

B. quartzite

C. limestone

D. shale97. Metamorphism can best be defined as

A. compaction and cementation of rock fragments

B. precipitation of minerals dissolved in water

C. solidification of magma by cooling

D. changing of a rock by heat and pressure98. Where does most metamorphic rock form?

A. deep below the earth's surface

B. on the earth's surface

C. within volcanoes

D. on lake beds99. Which of the following best describes the material that makes up the earth's

asthenosphere?

A. a rigid solid

B. a solid that is able to flow

C. a liquid at high temperature

D. a gas under great pressure

100. The lithosphere is made up of the upper mantle and the

A. crust

B. asthenosphere

C. hydrosphere

D. core

“A man who has never gone to school may steal from a freight car; but if he has a university education, he may steal the whole railroad.”

Theodore Roosevelt

…..GOOD LUCK Grade 8…..

Comprehensive Examinationin SCIENCE 9

Name: Teacher: Sir Robin B. UberaGrade and Section: Date:

I. Read each question carefully. Encircle the letter of the correct answer.

1. What do we call a material with only one particular kind of matter? a. mixture b. pure substance c. solution d. solvent2. What do we call the simplest substances in different states found in the environment? a. compound b. solution c. solvent d. element3. Which of the following is not a classification of elements? a. metals b. nonmetals c. pure metal d. metalloids4. Which of the following is involved in a chemical reaction? a. sun b. heat c. water d. oil5. What do we call those mixtures that are uniform and cannot been identified its component? a. solution b. suspension c. heterogeneous d. homogeneous6. Which of the following is not a classification of compounds? a. acid b. sugar c. salt d. base7. Which of the following can be used in separating mixtures physically? a. evaporation b. distillation c. synthesis d. filtration8. Which of the following is a homogeneous mixture? a. salt and water mixture c. pizza pie b. macaroni salad d. halo halo9. Which of the following is not a classification of mixture? a. solution b. solvent c. suspension d. colloid10. Which of the following does not describe matter? a. It has mass. c. It occupies space. b. It cannot be broken into simpler forms. d. It has weight.11. Which of the following is a specific property of matter? a. mass b. density c. malleability d. impenetrability12. Which of the following substances is a mixture? a. salt b. paint c. sugar d. alcohol13. Your teacher asked you to prepare a solution for your experiment. Which of the following mixtures should you prepare? a. oil and water b. sugar and water c. sulfur and water d. sand and water14. You are asked by your teacher to prepare a heterogeneous mixture as your assignment. Which of the following setups would you choose? a. salt with water b. soil with water c. coffee with milk d. iodine with water15. What do we call those atoms of the same element with the same number of protons but with different number of neutrons? a. atomic mass b. configuration c. atomic number d. isotopes16. What property of matter can give a substance its unique identity? a. extrinsic b. internal c. intrinsic d. external17. Which of the following is not an extrinsic property of matter? a. weight b. elasticity c. temperature d. color18. What do we call the tiny particles that make up a molecule? a. molecules b. atom c. element d. compound

19. Which is not a part Dalton’s Atomic Theory? a. Elements are composed of small particles called atoms. b. Atoms can be created and destroyed. c. Atoms of the same element are exactly alike but have different masses. d. atoms can attract other atoms to form molecules.20. Who is the earliest Greek philosopher and the founder of Natural Philosophy?

a. Thales of Miletus c. Democritusb. Leuccipus d. Aristotle

21. Atom comes from the Greek word atomos, what do you mean by atomos?a. indivisible b. indestructible c. uncuttable d. invisible

22. Who formulated the Law of Conservation of Matter?a. compound light b. simple c. compound d. electron

23. Which of the following is NOT stated in Dalton’s Atomic Theory?a. All matter is composed of tiny, indivisible particles called atoms.b. All atoms of an element are identical and have the same ‘properties.c. No two elements have the same atoms.d. Atoms can be created and destroyed.

24. Who created the X-rays?a. Millikan b. Becquerel c. Curie d. Roentgen

25. Which fundamental unit of atom has a positive charge?a. neutron b. electron c. isotopes d. proton

26. Who suggested that the negatively charged electrons were distributed about a positively charged nucleus?

a. Thomson b. Chadwick c. Rutherford d. Becquerel 27. Who gave the name neutron as a part of atom?

a. Chadwick b. Thomson c. Becquerel d. Rutherford28. What do we call the number of protons in a nucleus? a. atomic mass b. atomic notation c. isotopes d. atomic number29. What do we call those atoms with the same number of protons but with different numbers of neutrons?

a. atomic mass b. atomic notation c. isotopes d. atomic number30. What do we call the atom of a specific isotope?

a. nucleus b. proton c. notation d. nuclide

II. Read each question carefully then shade the letter of the correct answer.

31. In a solution the substance that is being dissolved is called the __________.

a) Solvent

 b) Emulsifier

 c) Solute

 d) Filtrate

32. An emulsion is always between __________.

 a) Two solids 

 b) A solid and liquid

 c) Two gases

 d) Two liquids

33. What is one property of a suspension that is different from that of a solution or a colloid?

 a) If left to rest, the particles of a suspension will settle out.

 b) The particles of a suspension reflect light.

 c) A suspension is always clear

 d) Suspensions are colorless

34. What is the size of particles in a solution?

 a) More than 10,000 Angstroms

 b) Between 10,000 and 100,000 Angstroms

 c) Between 10 and 10,000 Angstroms

 d) Molecule size

35. A solution that cannot hold any more solute at room temperature is __________.

 a) A weak solution

 b) A concentrated solution

 c) A saturated solution

 d) A supersaturated solution

36. An example of a colloid which is an emulsion is __________.

 a) Whipped cream

 b) Mayonnaise

 c) Fog

 d) Gelatin

37. An example of a solution is __________.

 a) Sugar and water

 b) Sand and water

 c) Milk

 d) Whipped Cream

38. Oil floats on water. The most accurate reason for this is 

 a) oil is less dense than water

 b) oil is immiscible (does not dissolve) in water

 c) oil is both less dense and immiscible with water

 d) water is heavier than oil

39. The best method to separate the solute from the solvent in a solution would be ___

 a) Distillation

 b) Filtration

 c) Sedimentation

 d) all of the above will work

40. What makes water such a good solvent? 

 a) Water is a good solvent because it is a negatively charged ion.

 b) Water is such a good solvent because it repels most molecules

 b) Water is such a good solvent because it is such a small molecule

 d) Water is a good solvent due to its polarity and small molecular size

41. _______ said that everything in the universe is made up of tiny particles called atoms?

a.Democritus b.Dalton c.Copernicus

42. Dalton reintroduced the concept of the atom and created _______ which was the basic concept of the molecule.

a.Dalton's Molecular Theory b.Dalton's Atomic Theory c.

Modern Atomic Theory

43. JJ Thompson's discovered what?

a.electron b.nucleus c.proton

44. Aristotle said that everything is divided into four _____________.

a.molecules b.elements c.protons

45. Leeuwenhoek invented what?

a.microscope b.telescope c.a theory

46. Copernicus says that ____________________.

a.

sun revolves around the Earth

b.Earth revolves around the sun c.

protons are inside the nucleus

47. Proust was involved with the ________________.

a.Law of Definite Proportion b.Law of Conservation of Mass c.Law of Multiple Proportion

48. Roentgen defined what?

a.radioactivity b.proton c.radium

49. Bohr's solar system model involved the electrons having (a) ____________.

a.fixed orbit b.changing orbit c.

no orbit

50. Galileo invented the Modern Atomic Theory.

a.True b.

False

III. Classify the following as element or compound. Write the letter of your answer on the space provided.

a. element b. compound_____51. Magnesium _____52. Argon_____53. Hydrochloric acid_____54. Milk of Magnesia_____55. Table salt_____56. Antimony_____57. Aluminum_____58. Sodium Bicarbonate_____59. Sodium Fluoride

_____60. Limewater

IV. Read each question about Earth Science carefully. Shade the letter of your answer.

61. The parent material for all rocks is __________.

A. silica

B. quartz

C. granite

D. magma 62. Which of the following types of rock is produced by magma that cools deep below

the earth's crust?

A. extrusive igneous

B. intrusive igneous

C. foliated metamorphic

D. chemical sedimentary 63. Which of the following is an igneous rock?

A. limestone

B. gypsum

C. gneiss

D. basalt 64. The processes responsible for changing sediments into sedimentary rock are

compaction and __________.

A. foliation

B. cementation

C. intrusion

D. stratification 65. Which of the following is an organic sedimentary rock?

A. basalt

B. coal

C. conglomerate

D. sandstone 66. Chalk is a type of __________.

A. coal

B. quartzite

C. limestone

D. shale 67. Metamorphism can best be defined as

A. compaction and cementation of rock fragments

B. precipitation of minerals dissolved in water

C. solidification of magma by cooling

D. changing of a rock by heat and pressure 68. Where does most metamorphic rock form?

A. deep below the earth's surface

B. on the earth's surface

C. within volcanoes

D. on lake beds

69. Which of the following best describes the material that makes up the earth's asthenosphere?

A. a rigid solid

B. a solid that is able to flow

C. a liquid at high temperature

D. a gas under great pressure 70. The lithosphere is made up of the upper mantle and the

A. crust

B. asthenosphere

C. hydrosphere

D. core 71. The place where slippage first occurs is called the earthquake's __________.

A. focus

B. epicenter

C. magnitude

D. intensity 72. Which of the following best describes aftershocks?

A. a series of small tremors occurring after a major earthquake

B. seismic waves that cannot travel through liquids

C. areas along a fault where slippage and fracturing first occur

D. giant ocean waves that originate at a fault zone 73. The force that can change the size and shape of rocks is called __________.

A. stress

B. magnitude

C. elasticity

D. friction 74. Most earthquakes occur along or near the edges of the __________.

A. North American plate

B. earth's oceans and lakes

C. Eurasian plate

D. earth's lithosphere plates 75. The San Andreas Fault Zone has formed where the edge of the Pacific plate is slipping

_____________.

A. under the North American plate

B. over the North American plate

C. south along the North American plate

D. north along the North American plate 76. The Pacific Ring of Fire is an earthquake zone that forms a ring around __________.

A. the Atlantic Ocean

B. South America

C. the Pacific Ocean

D. North America 77. Which type of seismic wave travels the fastest?

A. L wave

B. P wave

C. S wave

D. surface wave 78. Which type of seismic wave causes rock particles to move together and apart in the same direction as the wave is moving?

A. L wave

B. S wave

C. P wave

D. surface wave 79. What is the minimum number of seismograph stations a scientist must have data from in order to locate the epicenter of an earthquake?

A. 1

B. 2

C. 3

D. 4 80. To determine how far away from a seismograph station an earthquake occurred, scientists plot the difference in arrival times between __________.

A. P and S waves

B. S and L waves

C. P and L waves

D. seismic waves and tsunamis

81. Most magma forms in __________.

A. continental crust

B. the lithosphere

C. the asthenosphere

D. ocean crust82. An opening in the earth's surface through which molten rock flows is called a ______.

A. vent

B. caldera

C. mantle

D. fault83. An opening on the earth's surface through which molten rock flows and the material

that builds up around the opening together form a __________.

A. subduction zone

B. trench

C. convergent boundary

D. volcano84. The broad volcanic feature formed by quiet eruptions on thin lava flows is called a ___.

A. shield zone

B. cinder cone

C. rift

D. strato-volcano85. Which of the following formations would most likely result from a single violent

volcanic eruption?

A. shield volcano

B. vent

C. cinder cone

D. caldera86. What is the name of the volcano which erupted in 1980 and caused widespread damage

in the Washington and Oregon region?

A. Mt. Vesuvius

B. Mt. St. Helens

C. Mt. Rushmore

D. Mt. McKinley87. What is formed when a magma chamber empties and collapses?

A. a crater

B. a fissure

C. a caldera

D. a vent

88. Before a volcanic eruption, seismic activity seems to __________.

A. increase in frequency and decrease in intensity

B. decrease in both frequency and intensity

C. decrease in frequency and increase in intensity

D. increase in both frequency and intensity89. Where is the volcano Olympus Mons located?

A. Italy

B. Japan

C. on Mars

D. on the moon Io90. Which of the following planetary bodies has far more volcanic activity then the earth?

A. Mars

B. the Moon

C. Io

D. Jupiter

991. Ozone is a type of __________.

A. nitrogen

B. oxygen

C. carbon dioxide

D. water vapor992. The most abundant element in the earth's atmosphere is __________.

A. oxygen

B. argon

C. hydrogen

D. nitrogen 93. The layer of the atmosphere in which weather change occurs is the __________.

A. mesosphere

B. troposphere

C. thermosphere

D. stratosphere

94. In which layer of the earth's atmosphere is most ozone found?

A. troposphere

B. thermosphere

C. stratosphere

D. mesosphere 95. What type of radiation is trapped on the earth's surface by the greenhouse effect?

A. ultraviolet rays

B. X rays

C. gamma rays

D. infrared rays 96. The vertical movement of air due to the uneven heating is called __________.

A. convection

B. reflection

C. conduction

D. refraction

 97. In the Northern Hemisphere, the general direction of the flow of the jet stream is toward the ___________.

A. north

B. south

C. east

D. west 98. The transfer of heat that takes place when fluids (gases and liquids) are unevenly heated is called __________.

A. reflection

B. conduction

C. radiation

D. convection 99. Which of the following adds oxygen to the atmosphere?

A. forest fires

B. photosynthesis

C. weathering of rocks

D. life processes of animals100. The global wind system which most influences the weather in St. James is the

A. polar easterlies

B. westerlies

C. trade winds

D. doldrums

“A man who has never gone to school may steal from a freight car; but if he has a university education, he may steal the whole railroad.”

Theodore Roosevelt

…..GOOD LUCK Grade 9…..