Soalan Sains Sec A & Sec B Tahun 3
Transcript of Soalan Sains Sec A & Sec B Tahun 3
Section A. Circle the correct answer.
1. Which of this animal has claws ?
A
B
C
D
2.
Which animal has the above external features?
A eagle B buffalo C butterfly D earthworm
3.
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This plant has______________.
i woody stem ii soft stem iii rough leaves
A i only B i and iii C ii only D ii and iii
4.
What plant is this ?
A balsam plant B bougainvillea C chrysanthemum D papaya tree
5. Which group of magnets will repel each other ?
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Woody stem Flowering plant Oval shaped leaves
i ii
iii iv
A. i , iiB. i, ivC. ii, ivD. iii , iv
6. Which object is not attracted by the magnets ?
A. needleB. nailC. 20 sen coinD. safety pin
7. A _____________ is used to turn a circuit on and off. A. bulb
B. batteryC. switchD. wire
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8. The above spring is being _____________
A. bentB. twistedC. stretchedD. squeezed
9. A _________________ spring is easier to bend, twist, stretch and squeeze?
A. longer B. shorter
C. smaller diameter D. shorter and smaller diameter
10. The spring in the pogo stick is used to ________
A. bounceB. show directionC. open up easily D. clip the object tight
11. Which material below can absorbs more water than others ?
A.
B.
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C.
D.
12. A diapers is used to ______________
A. wipe sweat B. keep the baby dry C. dry our body after a bath D. wash dishes
13. Y
The diagram above shows layers of soil. What is Y ?
A. small stoneB. humus
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C. clayD. sand
14. Siti mixed this substance into her food to make it tasty. What substance it is ?
A. milk powderB. baking powderC. saltD. vinegar
15. Which of the following substances has a label as shown above ?
A. aerosol B. keroseneC. detergent D. bleach
16. This label means that the substance can cause _______
A. flammableB. corrosive C. poisonousD. explosive
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17. You can use a magnet to separate Z from baking powder. What can Z be ?
A. wheat flourB. iron dustC. 5 sen coinsD. green beans
18. Which of the following pairs of animals have similar external features ?
A.
B.
C.
D.
19. Which group of plants below has the same external
features ?
A.
B.
C.
D.
20. Magnets are used in__________ and ____________.
fern rose hibiscus
mosses sunflower banana
mimosa
orchid balsam
lallang pineapple mushroom
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i refrigerator ii compass iii stapler iv mechanical pencil
A. i and iiB. i and ivC. ii and iiiD. iii and iv
21. Which of the following is true about the objects and their magnetic functions ?
A.
B
C.
D.
22. Which of the following groups are conductors ?
Objects Function
pencil case to keep the cover opened
magnetic crane lifts heavy magnetic objects
loudspeaker to show direction
door stoppers keeps the door close
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A. thumbtack and rubber band B. nail and strawC. screw and aluminium stripesD. safety pin and plastic spoon
23. A circuit with _______________ is the dimmest.
A. one bulb and one batteryB. one bulb and two batteriesC.two bulbs and one batteryD. two bulbs and two batteries
24. Which of the following animals has been grouped correctly ?
Animals with many legs
Animals with eight legs
A Caterpillar MosquitoB Prawn BeesC Crab CentipedeD Millipede Spider
25. The hibiscus plant and the rambutan tree are similar because they have _______________ ?
A. flowers and long leavesB. oval leaves and woody stemsC. flowers and soft stemsD. woody stems and irregular leaves
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26. Choose the correct statement about sandy soil.
A. made of very small partB. consists of sand and clay C. contains very little air D. contains very little water
27. Which of these substances are unsafe ?
ii i ii
thinner orange juice iii iv curry powder baking powder
A. i onlyB. i and iiC. ii and iiiD. all above
28. Which statement is true about the unsafe
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substances ?
A. bleach is flammableB. poison can cause deathC. fertilizer can cause explosionD. weed killer cannot makes us sick if swallowed
29. Which methods can be used to separate the mixtures ?
Mixtures Methodi plastic balls and marbles filter paper and funnelii thumbtacks and red beans magnetiii sand and polystyrene balls wateriv paper clips and baking
powdersieve
A. i and iiB. i , iii and ivC. ii and ivD. ii , iii and iv
30.
sandy soil clay soil garden soil
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P Q R
An experiment was carried out as shown above. The three young plants were placed in different types of soil. What must we measure in this experiment after two weeks ? A. the height of the young plants B. the types of young plants C. the types of soil D. the amount of soil
Section B
1. Answer the questions based on the pictures below.
a. Which animal has feathers ?
_________________________________________________ (1 Mark)
b. Why we can classify snail and tortoise in the same group ?
_________________________________________________ (1 Mark)
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c. Name two animals that have horns ?
_________________________________________________ (1 Mark)
d. What is the similarity between lion and rooster ?
_________________________________________________ (1 Mark)
e. Predict the animal below.
The animal is _________________________________ ( 1 mark ) 2. Study the pictures below and answer the questions.
a) Which plants have woody stem ?
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I have tail I have a lot of scales I do not have legs.
Banana tree
SunflowerRosePandanus
Rubber tree
Papaya tree
_______________________________________________ ( 1 mark)
b) Which plants have irregular-shaped leaves ?
_______________________________________________ ( 1 mark)
c) Which plants have long leaves and soft stem ?
_______________________________________________ ( 1 mark)
d) Which plant has thorns ?
_______________________________________________ ( 1 mark)
e) Which plants bear flowers and fruits ?
_______________________________________________ ( 1 mark)3. A test is carried out by Year 3 pupils to find out which
materials absorb more water.
i. Prepare three types of sponge which are the same size.
ii. Fill in 350 ml of water into three beakers of the same size.
iii. Put the sponge into each beaker. iv. After 3 minutes remove the sponge from the beakers. v. Measure the final water level left in the beakers. Table below shows the result:
Sponge Beaker
Initial water level
Final water level
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X A 350 ml 100 mlY B 350 ml 200 mlZ C 350 ml 300 ml
a) Based on the result, which of the sponge is the most absorbent ?
_______________________________________________ (1 mark)
b) Give a reason to support your answer in 3 (a).
________________________________________________(1mark )
c) Rearrange the sponge to show the ability of sponge to absorb water in ascending order.
_______________________________________________ (1 mark )
d) Based on the experiment what to change ?
______________________________________________ ( 1 mark )
e) Based on the experiment what to measure?
_______________________________________________ ( 1 mark )4. Marina wants to know how well different soils let water flow
through them. She sets up the following apparatus. Then she slowly pours 50 ml water. The amount of water that collected in the beaker are measured by using measuring
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50 ml
cylinder.
J
K L
Study the result of the investigation below
a) In this investigation, what is change ?
____________________________________________ ( 1mark)
b) In this investigation, what is measured ?
___________________________________________ ( 1 mark ) c) The ____________ soil holds the most water. (1 mark )
d) Arrange the soil according to how well water moves
Beaker
Soils Amount of water ( ml )
J clay L garden 30 K sand 40
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Dry clay soil
Dry sand soil
Dry garden soil
Dry clay soil
water
Dry sandy soil
water
50ml 50ml 50ml
Dry garden soil
water
through them.
e) Predict the amount of water in beaker J ?
________________________________________________ ( 1mark)
PAPER END
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