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P4 EYE Revision Science 2025

Total questions: 113

Worksheet time: 1hrs 23mins

Name
Class
Date
1.

Heat is a form of _____________.

a)

cycle

b)

energy

c)

diversity

2.

Things get colder = ____________ heat

a)

loses

b)

gains

3.

Heat always travels from _______________________________.

a)

a colder place to a hotter place until both places reach the same temperature.

b)

a hotter place to a colder place until both places reach the same temperature.

4.

Metals are ____________ conductor of heat.

a)

best

b)

good

c)

better

5.

Solid, liquid and gas ___________ when it gains heat.

a)

contract

b)

expand

6.

Which object losses heat?

a)

object A losses heat

b)

object B losses heat

7.

Which object gains heat?

a)

object X gains heat

b)

object Y gains heat

8.

Which object losses heat?

a)

object A losses heat

b)

object B losses heat

9.

contraction means lose heat and expand means gain heat

a)

true

b)

false

c)

no such question

10.

how to you make the chocolate gain heat

a)

put nearer to the sun

b)

put in the freezer

c)

throw it away

d)

no way

11.

TICK THE SOURCES OF HEAT BUT NOT MATTER

a)

FIRE

b)

SUN

c)

SMOKE

d)

LIGHTED BULB

12.

JAMIE PUT AN ICE ON THE PLATE FOR 5 DAYS . THEN she saw the ice had melt what can she conclude

a)

the ice gain heat

b)

the ice lose heat

c)

ice is a source of heat

d)

none of the above

13.

This is an instrument that measures temperature

a)

Thermometer

b)

Temperature

c)

Heat

14.
Debbie's mother has different types of pots in her kitchen. Many of them are made of copper and aluminum. Some are made of glass. Which of the following is the best reason why the pots are made of these materials?
a)
They are able to stop the flow of heat.
b)
They are good insulators of heat.
c)
They keep the same amount of heat.
d)
They are good conductors of heat.
15.
Andy puts on a pair of mittens and his winter coat. He goes outside to play in the snow. Which of the following explains why his hands stay warm?
a)
The gloves are good insulators that trap heat.
b)
The heat flows quickly from the mitten to the snow.
c)
The gloves are good conductors that trap heat.
d)
The heat flows quickly from the snow through the mitten
16.
George holds an ice cube in his hand. As he squeezes the ice, it begins to melt. Which of the following best explains why this happens?
a)
George absorbs heat from the ice.
b)
Heat moves from Abdul’s hand into the cube and warms it.
c)
Cold moves from the ice onto George’s hand as it melts.
d)
George releases cold to the ice.
17.
Beth is learning about the properties of heat in science class. She knows that heat must flow to cause a change of temperature in a substance. Which of the following will cause the fastest change in temperature of an ice cube?
a)
ice cube in a pot of cold water
b)
ice cube in a pot of warm water
c)
ice cube in a pot of boiling water
d)
ice cube on a plate at room temperature
18.

We are able to see objects because they ____________ light into our eyes.

a)

reflect

b)

refract

c)

shine

d)

defract

19.

Light is able to pass through __________________ materials

a)

transparent

b)

shiny

c)

dull

d)

opaque

20.

When an object is placed ____________ the light source, the shadow formed on the screen is ____________ the object.

a)

closer to, smaller than

b)

closer to, bigger than

c)

far from, the same size as

d)

far from, bigger than

21.

We are able to see the moon because it ____________

a)

gives out light

b)

glows

c)

reflects light from the sun

d)

reflects light from the earth

22.

Which of the following is NOT source of light?

a)

eyes

b)

lit candle

c)

sun

d)

firefly

23.

As the object moves closer to the source of light, the size of the shadow

a)

increases

b)

decreases

c)

remains the same

d)

is too small to see

24.

The further the object is to the light source, the bigger the size of the shadow.

a)

True

b)

False

25.

The closer the object is to the screen, the bigger the size of the shadow.

a)

True

b)

False

26.

The closer the object is to the screen, the smaller the size of the shadow.

a)

True

b)

False

27.

When the object is ___________ to the light source, the shadow is _________.

a)

nearer, bigger

b)

nearer, smaller

c)

further, bigger

d)

further, smaller

28.

What is matter?

(a)  

29.

Object A and B have the same mass but different shape. When put on a beam balance, what will happen?

a)

Object B will tilt down.

b)

It will stay balanced.

c)

Object A will tilt down.

30.
What is an example of a solid?
a)
wind
b)
water
c)
rock
d)
juice
31.
What is an example of gas?
a)
crayons
b)
paper
c)
soda
d)
air
32.
This state of matter does not have a definite size or shape.
a)
gas
b)
toys
c)
solid
d)
milk
33.

 

In which state of matter, particles are very closely packed?

a)

Liquid

b)

Gas

c)

Solid

34.
John placed a pot of water on a stove. As the water boils, how does the state of the water change?
a)
from gas to liquid
b)
from liquid to a gas
c)
from a liquid to a solid
d)
from a solid to a liquid
35.

The stage of an insect is a worm-like stage called ________.

a)

tadpole

b)

larva

c)

offspring

36.

Choose the correct sequence of the frog's life cycle

a)

tadpole, egg, frog

b)

egg, frog, tadpole,

c)

egg, tadpole, frog

37.

Which of the following is a similarity between the life cycle of a mosquito and a butterfly?

a)

Both have 3 stages in its life cycle.

b)

Both have 4 stages in its life cycle

c)

Both the young looks like its adult.

38.

Which animal has a similar life cycle as the one shown in the diagram.

a)

Cockroach

b)

Chicken

c)

Beetle

d)

Mosquito

39.

Which of the following is a similarity between the life cycle of a frog and a beetle?

a)

Both have 3 stages in its life cycle.

b)

Both have 4 stages in its life cycle

c)

Both the young does not look like the adult.

d)

Both have young stage.

40.

Which one of the following statements is true about the pupa stage?

a)

It does not eat at this stage.

b)

It has stopped growing.

c)

It does not breathe at this stage.

d)

The animal has a three-stage life cycle.

41.

What is the best way to get rid of mosquitoes?

a)

Clear all stagnant water

b)

Add a layer of oil to the stagnant water

c)

All of the above

42.

Where do amphibians live?

a)

mountains

b)

pond

c)

land

d)

both water and land

43.

Which are the stages of development for a snake, turtle, lizard, and alligator?

a)

egg -young -adult

b)

young-adult

c)

egg-larva-pupa-adult

44.

How are frogs and butterflies alike?

a)

They both like flowers

b)

They both eat fish

c)

They both start out as an egg

d)

They both like to swim

45.

Why do living things reproduce? Choose the best answer.

a)

To ensure they do not die.

b)

To ensure the survival of their kind.

c)

To ensure they have enough babies.

46.

Only adult plants produce ..

a)

leaves

b)

flowers

c)

roots

d)

stem

47.

When a seed germinates, its _________ grow out first.

a)

shoot

b)

roots

c)

leaves

d)

flower

48.

The roots are the represented by the..

a)

shaded bars

b)

white bars

49.

Which statement is true for all non-flowering plants?

a)

Non-flowering plants don't contain seeds.

b)

Non-flowering plants don't contain pollen.

c)

Non-flowering plants cannot be trees.

d)

Non-flowering plants don't form fruit.

50.

How many stages are there in the life cycle of a tomato plant?

a)

2

b)

3

c)

4

d)

5

51.

What is the difference between a young plant and an adult plant? (You may select more than 1 answer)

a)

An adult plant has fruits but the young plant have no fruits.

b)

An adult plant has roots but the young plant have no roots.

c)

An adult plant has stem but the young plant have no stem.

d)

An adult plant has leaves but the young plant have no leaves.

e)

An adult plant has flowers but the young plant have no flowers.

52.

What are the conditions that a seed need to grow? (You may select more than one answer)

a)

air

b)

water

c)

warmth

d)

sunlight

53.

How is a seedling different from an adult plant?

a)

A seedling does not have flowers or fruit.

b)

A seedling does not have roots.

c)

A seedling does not have a stem.

d)

A seedling does not need sunlight to grow.

54.

What are the functions of the roots?

(Select all correct answers)

a)

To take in and give out gases for the plant.

b)

To absorb water and minerals from the soil.

c)

To hold the plant firmly to the soil.

d)

To make food for the plant.

55.

What are the functions of the stem?

(Select all correct answers)

a)

To hold the leaves up so they can get light to make food.

b)

To absorb water and minerals.

c)

To support the plant.

d)

To help the plant to take in and give out gases.

56.

Dan carried out an experiment to find out if roots help to absorb water for the plant. Which two set-ups should he choose in order to conduct a fair test?

a)

A and C

b)

A and D

c)

B and D

d)

C and D

57.

The leaves of a plant were covered completely by black paper. It was then placed under the sun and watered daily.

After two weeks, the plant died.

Which of the following correctly explained why the plant died?

a)

The black paper prevented the leaves from getting sunlight to make food.

b)

The black paper prevented the leaves from absorbing water.

c)

The black paper prevented the leaves from absorbing mineral salts.

d)

The black paper prevented the tiny openings under the leaves from taking in air.

58.

The human body is made up of one system.

a)

True

b)

False

59.

Digested food is carried to different parts of our body by the circulatory system.

a)

True

b)

False

60.

The skeletal and muscular systems work together to help our body parts move.

a)

True

b)

False

61.

Digestion starts in our mouth.

a)

True

b)

False

62.

Digested food and water are absorbed in the large intestine.

a)

True

b)

False

63.

Digestion occurs in all parts of the digestive system.

a)

True

b)

False

64.

Where does digestion of food end?

a)

Mouth

b)

Stomach

c)

Small Intestine

d)

Large Intestine

65.

Where does absorption of food into the blood occur?

a)

Mouth

b)

Stomach

c)

Small Intestine

d)

Large Intestine

66.

Which organ below does not contain digestive juices?

a)

Mouth

b)

Stomach

c)

Small Intestine

d)

Large Intestine

67.

Which of the following statements are true of the digestive system?

A : The windpipe is part of the digestive system.

B : Digested food is absorbed in the small intestine.

C : It helps to break down food into simpler substances.

D : Digestion starts at the mouth and ends at the stomach.

(Select all the correct answers)

a)

A

b)

B

c)

C

d)

D

68.

Identify the part (1), (2), (3) or (4) in which there is no digestion.

a)

1

b)

2

c)

3

d)

4

69.

The following is a flow chart of the parts of the human digestive system. Which letter, A, B, C or D, represents the small intestine?

a)

A

b)

B

c)

C

d)

D

70.

Study the human digestive system as shown in the picture.

Which of the following correctly identifies organ E and its function?

a)

Large intestine - Removes water

b)

Large intestine - Digests food completely

c)

Small intestine - Absorbs digested food into the blood

d)

Small intestine - Breaks down food into simpler substances

71.

Mr Lim, who is 68 years old, needs to put on his dentures (false teeth) before he eats.

Why does Mr Lim need to put on his dentures before he starts eating?

a)

They help to digest the food.

b)

They help to release digestive juices into his mouth.

c)

They help to break down the food into smaller pieces.

d)

They help to make food soft and wet so that it can be swallowed easily.

72.

What systems work together while you sleep?

a)

all of them

b)

None

c)

digestive and musculoskeletal

d)

respiratory and circulatory

73.

Where do the digestive system and circulatory system connect?

a)

In the nucleus

b)

In the respiratory system

c)

In the heart

d)

In the villi

74.

Tick 2 parts where absorption of water into blood occurs.

a)

mouth

b)

gullet

c)

stomach

d)

small intestine

e)

large intestine

75.

Magnets (a)   magnetic materials.

76.
a)

1

b)

2

c)

3

d)

4

77.

Like poles __________ each other while unlike poles ___________ each other.

a)

attract, repel

b)

repel, attract

c)

oppose, connect

d)

connect, oppose

78.

Some metallic materials are magnetic and some are not. The following are made of metallic materials. Which one is magnetic?

a)

aluminum

b)

steel

c)

tin

d)

copper

79.

Bob placed Magnet X on Car 1 and Object Y on Car 2 as shown. He observed that the cars moved away from each other when they were placed near each other.


Which of the following statement(s) about Object Y is/are correct?


A: Object Y is a non-magnetic material.

B: Object Y is a magnetic material.

C: Object Y is a magnet.

a)

A only

b)

C only

c)

A and B only

d)

A and C only

80.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
81.

Lily attached a magnetised iron bar P to a string and placed magnet Q near to it. She observed that iron bar P moved in the direction as shown in the diagram.


Which of the following actions would cause iron bar P to move further away from magnet Q?

A Heat iron bar P over a flame.

B Drop iron bar P onto the ground for a few times.

C Stroke iron bar P with the magnet for a greater number of times.

a)

B only

b)

C only

c)

A and B only

d)

A, B and C

82.

Magnet can attracts ....

a)
b)
c)
d)
83.
What are the parts of the magnet that is attracted to the paper clips?
a)
the center
b)
the poles
c)
the equator
d)
the horseshoe
84.
In this image, matching north poles from two magnets are introduced.  What do you predict will be the outcome?
a)
There will be no interaction.  The poles of magnets do not have an effect on one another.
b)
The two north poles will attract each other
c)
The two north poles will repel each other
d)
The two magnets will combine and become one magnet
85.

The distance between a magnet and a piece of iron has no effect on the strength of attraction.

a)

True - All magnets can work from any distance

b)

False - A magnet's attraction is weaker the farther away it gets

86.

Which group of materials are all attracted to magnets?

a)

wood, plastic, rubber

b)

aluminum, brass, titanium

c)

copper, steel, zinc

d)

iron, nickel, cobalt

87.

How do you increase the strength of an electromagnet?

a)

add more magnets

b)

larger core

c)

increase the number of coils around the core

d)

salt water

88.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
89.

Which part of the electromagnets turned into a magnet when electricity flows through a coiled wire?

a)

Battery

b)

Copper wire

c)

Iron Nail

d)

Bulb

90.

What are the components of the electromagnets?

a)

battery, wire and bulb

b)

battery , copper wire and paper clips

c)

battery, copper wire and iron nail

d)

battery, wire and aluminum

91.

True or False: Are birds the only group of animals with feathers?

a)

True

b)

False

92.

True or False: Are mammals the only group of animals with hair or fur?

a)

True

b)

False

93.

Which animal group does this animal belong to?


  • It has scales as its outer body covering.
  • It can live on land and in water.
  • It lays eggs.
  • It breathes using lungs.
a)

fish

b)

insects

c)

reptiles

d)

amphibians

94.

Which animal group does this animal belong to?


It has hair as its outer body covering.

It lives in water.

It lays eggs.

It breathes using lungs.

It nurses its young with milk.

a)

fish

b)

insects

c)

reptiles

d)

mammals

95.

What is a difference between a reptile and an amphibian?

a)

A reptile lives on land but an amphibian lives on land and in water.

b)

A reptile has dry skin with scales as its body covering but an amphibian has moist skin as its body covering.

c)

A reptile gives birth but an amphibian lays eggs.

d)

A reptile breathes using gills but an amphibian breathes using lungs and skin.

96.

Most mammals give birth to young. A platypus lays eggs. Which of the following characteristics makes a platypus a mammal?

a)

A platypus can swim.

b)

A platypus has 4 legs.

c)

A platypus breathes using its lungs.

d)

A platypus nurses its young with milk.

97.

Where would you not likely find mould growing?

a)

Decaying strawberry

b)

Damp walls

c)

Moist bread

d)

Dry plastic

98.

Mushrooms and toadstools are not plants because they _______________________.

a)

cannot make their own food

b)

need sunlight, air and water

c)

reproduce by spores

d)

feed on non-living things

99.

How do fungi reproduce?

a)

By photosynthesis.

b)

By spores.

c)

By laying eggs.

d)

By seeds.

100.

Bacteria are living things because they __________________________.

a)

can be very harmful

b)

can be very useful

c)

can be very dangerous

d)

can reproduce

101.

Which one of the following groups consists only fungi?

a)

Bracket fungi, fern

b)

Mushrooms, yeast, mould

c)

Staghorn fern, mushrooms

d)

Mould, ferns

102.

Fungi obtain food ______________________.

a)

by spores

b)

from the soil

c)

from other living things ( dead or alive)

d)

through photosynthesis

103.

Two common characteristics of fish and reptiles are that ____________.

a)

they lay eggs

b)

they live in water

c)

they breathe through gills

d)

they have scales for their outer covering

104.

We do not see flowers on the plant above. It is a definitely a non-flowering plant that reproduces by spores.

a)

True

b)

False

105.

Mould and bacteria are examples of ______________.

a)

fungi

b)

spores

c)

microorganisms

d)

non-living things

106.

Which type of animal spends its entire life underwater and breathes through gills?

a)

fish

b)

birds

c)

reptiles

d)

amphibians

107.

Which of the following is not a type of material?

a)

Metal

b)

Rubber

c)

Spoon

d)

Ceramics

108.

Flexibility is the ability to (a)   without breaking.

109.

The picture shows a wooden bench which can be found in a park. Why is wood used instead of metal to make the bench?

a)

It does not bend easily.

b)

It does not break easily.

c)

It remains cool on sunny days.

d)

It floats on water.

110.

The flowchart shows 4 objects and A, B and C are their properties. Which one of the following can be a property placed at A?

a)

Can bend easily

b)

Can break easily

c)

Can absorb water

d)

Can float on water

111.

Look at the picture of a cooking pot. What material is X likely to be made of if you want to see what is cooking in the pot?

a)

Metal

b)

Glass

c)

Wood

d)

Ceramic

112.

What is the property of the material that makes it suitable to be used to make toilet bowls?

(You can tick more than 1 option)

a)

It is strong so the toilet bowl will not break easily.

b)

It is waterproof so the toilet bowl will not leak.

c)

It is able to be molded into different shapes and sizes.

d)

It is flexible and can be bent easily,

113.

Rubber is the material used to make the wheels of the skate scooter. Give a reason for using rubber to make the wheels.

a)

Rubber is flexible so the wheels can bend easliy.

b)

Rubber is light so the wheels can be carried easily.

c)

Rubber is waterproof so the wheels can go over wet surfaces.

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