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Third PERIODICAL TESTScience and Health VI

Name ________________________________ Grade and Section ____________

School ____________________________________________ Score __________

I. Multiple Choices. Encircle the letter of the best answer.

1. Which of the following materials are NOT properly labeled?

A. Personal care

C. Insecticide

B. Medicine

D. Cleaning Materials

2. Which of the following practices shows safety precaution in the use and storage of household materials?

I. Separate food products from personal care products II. Keep flammable materials out ofchildren reachIII. Store personal care products togetherwith food in the refrigerator.IV. Wash hands after using pesticides and insecticides

A.I & II C. III & IVB.II & IIID.I, II & IV

3. What is the BEST container for vinegar?

A. Glass, because it does not corrode. B. Plastic, because it can be recycled. C. Metal, because it is light. D. Metal and plastic, because both are available.

4. Which of the following group of materials are made of metal, glass, paper, wood and plastic?

A. Grills, pants, bottle, ladle,and bagB. Kettle, mirror, napkin, chair and cupC. Bag, clothes, chair, glass, and hairclipD. Electric fan, drinking cup, stove, bottle, and bed

5. Why should safety precautions be observed at all times? A. To avoid clutter of unnecessary things at home.B. To teach the children the easy way of locating things.C. To ensure a well-organized arrangement of things D. To avoid misuse of materials and accident

6. Paracetamol and Loperamide are medicines. Which is an appropriate label for them? A C

B D 7. Why should we separate chemicals according to their use?

A. To avoid contamination.B. To remove garbage in the house.C. To prevent the poison from spreading.D. To make our work easy.

8. What form of energy is in the picture below?

A. light energyB. electrical energyC. Chemical energyD. Thermal energy

9. What form of energy is in the swinging pendulum?

A. chemical C. electricalB. mechanical D. Geothermal 10. What is the common use of fossil fuel?A. It is the fuel of the jeep.B. It restores the strength of the boy.C. It makes the sound very loud.D. It increases movement of toy car.

For Items 11 and 12, refer to the set-up below.

11. What is the effect of heat on the liquid?

A. It changes the water to vapor.B. It transforms heat to electrical energy.C. It allows the liquid to turn to solidD. It burns the hand.

12. Which of the following statements BEST describes the energy transformation that occurs at the firewood? Mechanical changes to chemical energy.A. Chemical energy is transformed to heat and light energyB. Heat and light energy is changed to chemical energy.C. Mechanical energy is converted to heat and light energy.D. Electrical energy is transformed to heat and light energy

13. Which energy transformation is in the candle?

A. Chemical light C. light heatB. Light electrical D. heat chemical14. How is radiant energy used in medicines?

A. It is used to disinfect beddings. B. It is to preserve fruits. C. It is used to dry clothes. D. It is used to destroy abnormal cells in the body.

15. What kind of energy transformation does a battery-operated toy car have?

A. Mechanical electrical chemical B. Chemical electrical mechanicalC. Chemical mechanical mechanical D. Chemical mechanical electrical

16. Which illustration shows energy transformation from electrical to mechanical energy?

A. C. B. D.

17. Which form of energy comes from hot springs and volcanoes?

A. Mechanical C. ThermalB. SoundD. Light

18. Which of the following activities change electrical energy to mechanical energy?

A. Viewing movie using a DVD player.B. Ironing clothes with electrical iron.C. Cooling one using electric fan.D. Cooking food using an electric stoveRefer to the woman pulling a chair.

19. What makes the chair move?

A. the force of gravity on the chair B. the force of her pull on the chair C. friction between her hand and the chair D. friction between the wheels and the floor

For number 20, refer to the figure at the side.

20. At which time is potential energy in the spring being converted into kinetic energy in this system?

A. when the spring is stretchingB. when the spring isfully stretched C. when the spring is recoiling D. when the spring is fully recoiled

Sam drops a rubber ball from the top of a staircase to his friend, as shown in the picture below.

21. What happens to the speed of the ball as it gets nearer the hand?

A. It increases. C. It remains the same.B. It decreases. D. It becomes zero.

22. What is the BEST explanation for the speed of the ball?

A. Electric forces are acting on the ball.B. Air resistance is accelerating the ball.C. Magnetic forces are pushing the ball.D. Gravitational force is pulling on the ball.

23. What is the factor that causes the motion of the parachute to slowly move down?

A. The gravity of the Earth that pulls the boy down.B. The air friction that opposes the gravity.C. The weight of the boy. D. The clouds in the atmosphere.

For Item 24, refer to the car below.

24. What are the BEST terms to use to describe the motion of the car?

A. direction and speed C. speed and colorB. mass and volumeD. volume and direction

For Items 25-28, based your answer on the drawing below.

Students investigated the motion of wooden blocks on frictionless ramps. They used two boards, each two meters long, to create ramps. They set the ramps up at different heights, as shown in the diagram below.

25. What variable remains the same throughout the investigation?

A. The speed of the block.B. The time of travel of the block.C. The height of the ramps.D. The length of the ramps.

Below is the data gathered from their experiment.26. Which statement is true about the data?

A. Blocks I and II reached the bottom at the same time.B. The force of gravity at Block I is greater than the force of gravity at Block II. C. Block II is twice as fast as Block ID. Block 1 is faster than II

27. What is the reason for the different time of travel of the blocks on the plane?

A. the friction between the object and the planeB. the length of the planeC. the inclination of the planeD. the time to move down the plane

28. What is the BEST interpretation of the data?

A. The longer the time of travel, the farther the blocks move.B. The higher the inclination, the faster is the speed of the block.C. The speed is dependent on the block. D. Block II is as fast as Block I.

29. Which is a NOT unit of distance?

A. millimeter C. inchesB. kilometer D. Liter

For numbers 30 to 31, refer to the diagram below.

30. What is the distance travelled by the frog?

A 18mm C 18m B 18cm D 18km

31. How fast does the frog move if it takes 6 seconds to reach its present position?

A 3cm/secC 2.5cm/secB 3m/s D 2.5m/sec

For Item 32 to 34 refer to the model of the Earth.

32. In which layer of the Earth do plants and animals live?

A. Layer 1C. Layer 3B. Layer 2D. Layer 4

33. Which statement describes the earths mantle?

A. It is made up of iron and nickel.B. It is the earths innermost layer. C. It is the largest layer of the earth.D. It is the thinnest layer of the earth.

34. Which of the following statements describes the core of the Earths interior layer?

A. It is made up of solid rock.B. It is made up of several plates.C. It is the hottest part of the Earth.D. It is the Earths outermost layer.

For Items 35 and 36, refer to the diagram of plate movement.

35. Which plate movement would result to the formation of a mountain?

A. Figure 1, because the plates slide.B. Figure 1, because the plate protrudes.C. Figure 2, because the forces are toward each otherD. Figure 2, because there are away from each other.

36. Which process produced the pattern of layers shown in Figure 1?

A. folding C. spreading B. faulting D. weathering

37. Analyze the diagram below. Which of these occurs when Block II slips downward?

A. TyphoonC. water erosionB. EarthquakeD. flood

38. Which statement describes an epicenter?

A. It is the point directly above the focus.B. It is the origin of the earthquakeC. It causes the blocks to move.D. It controls the shock waves.

39. What is the most common cause of earthquakes?

A. unequal heating of the atmosphereB. the sinking of the ocean floorC. movements in the Earths crustD. giant tidal waves called tsunamis

40. Which plate movement would probably form a mountain?

A. A onlyC. C onlyB. B onlyD. A and C only

41. Why do crustal plates move?

A. The winds push the plates.B. They are less dense than waterC. They lie on the liquid part of the mantle. D. There spaces between the plates.

For Items 42 to 43, refer to the diagram of the seafloor.

42. At which location would an earthquake be most likely to occur? A. at points 1& 4 C. at points 1 & 3B. at points 2 & 3 D. at points 2 & 4

43. At which location/s would a volcano is LEAST likely to form?

A.at point 1 C. at point 3B. at point 2 D. at points

For Item 44, refer to the stages of formation of the volcano.

44. Which is the correct order of formation of a volcano?A. I,II, IIIC. II, I,IIIB. III,II ID. I,III,II

45. Which volcanic activity may cause an earthquake?A. movement of magna B. burning of treesC. darkness of smokeD. occurrence of tidal waves

46. How active and inactive volcanoes differ from each other?

A. Active volcanoes erupt occasionally while inactive volcanoes do notB. Active volcanoes are bigger that inactive volcanoes.C. Active volcanoes are found on land while inactive volcanoes are found underwater.D. Active volcanoes have perfect cones while inactive volcanoes are not.

Refer to the pictures of volcanoes I III II IV

47. Which volcanoes release energy?A. I and II C. I and IVB. III and IVD. II and III

48. Which statements are true about the magnitude of an earthquake?

I. Magnitude measures the energy released at the source of the earthquake. II. Magnitude is determined from measurements on seismographs. III. Magnitude measures the strength of shaking produced by the earthquake at a certain location.IV. Magnitude is determined from effects on people, human structures, and the natural environment.

A. I and II C. I and IIIB. III and IV D. II and IV

49. Which instrument detects, measures, and records the intensity of the earthquake? A sonargraphs C. Richter scales B seismographs D. photographs

50. Which precautionary measures should be observed before and after volcanic eruptions?

i. Stay inside your house.ii. Listen to the radio for updatesiii. Store enough food and water

A. i and ii C. i and iiiB. ii and iii D. i, ii and iii