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CANBERRA PRIMARY SCHOOL

PRIMARY 3 SCIENCE

REVISION WORKSHEET

Name : _____________________________ Date: ____________

Class : _____________________________

1. Study the flowchart carefully.

Which of the following animal has been classified wrongly?

(1) Frog

(2) Turtle

(3) Hamster

(4) Dolphin ( )

Dolphin

Guppy

Horse

Hamster

Frog

Snake

Turtle

Ladybird

Living Things that

Lay Eggs

Body with hard outer

coverings

Body covered with

scales

No Yes

Yes No Yes No

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2. Kiran kept a tank of flies covered with a wire mesh as shown below.

What can he do to provide a better environment for the flies in the tank to survive?

(1) Put a frog in the tank

(2) Change the tank to a bigger one

(3) Place a dish of water in the tank

(4) Make bigger holes in the wire mesh ( )

3. Look at the pictures below.

A cat is similar to a seal because________________________.

(A) both have hair or fur

(B) both have three body parts

(C) both give birth to live young

(D) both feed their young with milk.

(1) A and B only (2) A, C and D only

(3) B and C only (4) A, B and C only ( )

banana

Wire mesh cover

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4. Study the two groups of animals below.

Group A Group B

Which one of the following statements about the group is TRUE?

(1) Animals in Group A lay eggs.

(2) Animals in Group A live in water.

(3) Animals in Group B have four legs.

(5) Animals in Group B give birth to live young. ( )

5. Mrs Lee bought a pot of plant and placed it beside a window. A few days later,

she found the plant bending towards the direction of the window as shown below.

From this, we can say that the plant __________________.

(1) grow

(2) needs air

(3) makes food

(4) respond to changes ( )

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6. John placed a pot of plant in the balcony with sufficient light. He waters them

daily . A week later, John returned to measure the height of the plant.

a) List one possible observation John will notice about the height of the plant. (1 mark)

________________________________________________________________________

b) What does this tells us about living things? (1 mark)

________________________________________________________________________

7. Below shows the leaf of a non-flowering plant that Tim found on the roof of his

house.

a) How does the plant above gets its food? (1mark)

________________________________________________________________________

b) How does the plant above reproduce? (1 mark)

________________________________________________________________________

c) Give another example of a non-flowering plant. (1 mark)

________________________________________________________________________

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CANBERRA PRIMARY SCHOOL

PRIMARY 3 SCIENCE

ANSWER KEY

Section A

1 4

2 3

3 2

4 1

5 4

No. Answer Marks

6. (a) The height of the plant increased.

(b) Living things grow.

1

1

7. (a) It makes its own food in the green leaves.

(b) It reproduces through spores.

(c) Moss/ fern/ staghorn fern

1

1

1