Free Printable YEAR 4 SCIENCE

1.

Which is the best conductor of electricity ?

a)

Copper

b)

Aluminium

c)

Iron

d)

Silver

2.

The squirrel uses its bushy tail for ______________

a)

Climbing

b)

Opening nuts

c)

Balance

d)

Jumping

3.

Endo skeleton means_____

a)

Bones inside the body

b)

Bones outside the body

c)

Bones on the head only

d)

Bones on the chest only

4.

Babies bones are made of the mineral called ____

a)

calcium

b)

phosphorus

c)

cartilage

d)

iron

5.

In science, anything that has mass and takes up space is described as______

a)

Weight

b)

Gravity

c)

Magnetism

d)

Matter

6.

The amount of space something takes up is its ___

a)

Mass

b)

Matter

c)

Volume

d)

Density

7.

. A watermelon has more matter than a grape, so it has more___

a)

mass

b)

Energy

c)

Solid

d)

Grain

8.

This state of matter does not have shape or volume.

a)

Gas

b)

Liquid

c)

Solid

d)

Plasma

9.

. Which of the following transmits sound best?

a)

Air

b)

Water

c)

Petrol

d)

Block of wood

10.

. A diagram of electrical connection drawn with electrical symbols only is called ______________ diagram.

a)

Picture

b)

Image

c)

Manual

d)

Circuit

11.

Sound is a kind of _____________________ energy.

4 lines

12.

The path through which electric current flows. is known as___________

a)

current

b)

circuit

c)

battery

d)

resistor

13.

Sound is a kind of _____________________ energy.

a)

heat

b)

kinetic

c)

light

d)

potential

14.

Give any 3 places where joints are located in your body.

(a)

15.

Layers of fat of the seal that lives in the ice cold habitat helps it to_____

a)

catch its prey

b)

breathe well

c)

keep warm

d)

move through water

16.

Oily fur of the seal helps it remain____

a)

stay warm

b)

water proof

c)

hunt for prey

d)

move freely

17.

_____helps the desert rat to loose excess heat from its body.

a)

long tail

b)

good eye sight

c)

smooth skin

d)

large ear

18.

The sea otter feels vibration in water because of the presence of____

a)

long whiskers

b)

webbed feet

c)

good eye sight

d)

oily fur

19.

______allows for fast breathing in frogs.

a)

sticky tongue

b)

moist skin

c)

lungs

d)

long hind legs

20.

The frog is a good swimmer because of the presence of ____

a)

moist skin

b)

webbed feet

c)

sticky tongue

d)

large eyes

21.

The state of matter with its particles having great kinetic energy is ____

a)

gas

b)

solid

c)

liquid

d)

water

22.

Which of the following is a resistor in an electric circuit ?

a)

battery

b)

switch

c)

bulb

d)

none of the above

23.

Between brine and ordinary water, which is a better conductor of electricity ?

a)

brine

b)

ordinary water

c)

both are equal in conductivity

d)

both are insulators

24.

Which of the following converts electrical energy into useful forms of energy we use ?

a)

conductors

b)

resistors

c)

insulators

d)

water

25.

A liquid or gel that breaks up to conduct electricity is a/an_______

a)

conductor

b)

light bulb

c)

electrolyte

d)

battery

26.

The flow of electricity is a/an ___________

a)

Element

b)

Electrolyte

c)

Electric current

d)

Circuit

27.

____ make red blood cells in our body.

a)

Joints

b)

Bone marrows

c)

Muscles

d)

The heart

28.

The longest bone in the human body is___

a)

phalanges

b)

skull

c)

femur

d)

tibia

29.

Muscles we can control and make to work when we wish are___muscles.

a)

voluntary

b)

visible

c)

involuntary

d)

obedient

30.

Bicep muscles have how many tendons ?

a)

four

b)

three

c)

two

d)

ten

31.

The process of changing a gas directly to a solid is known as___

a)

sublimation

b)

deposition

c)

evaporation

d)

melting

32.

A complete pathway for the flow of electricity is called a ________

a)

series

b)

current

c)

circuit

d)

wire

33.

A simple device that opens and closes an electric circuit is called a/an _________

a)

Connection

b)

Switch

c)

Electrons

d)

Power source

34.

A circuit is a path taken by a current. A path with no breaks is called a ____________

a)

closed-circuit

b)

switch

c)

series circuit

d)

circuit breaker

35.

Which of these is NOT a source of electrical energy?

a)

Solar cell

b)

Battery

c)

Generator

d)

None of the above

36.

All of the following objects are examples of things that produce light energy EXCEPT_______

a)

Candle

b)

Compass

c)

Desk lamp

d)

Flashlight

37.

The device in the picture transfers electrical energy to ___________ energy

a)

thermal

b)

solar

c)

sound

d)

light

38.

The picture shows a lamp giving off light. What form of energy does the lamp use to produce light?

a)

Thermal

b)

Electrical

c)

Mechanical

d)

Light

39.

Lightning is an example of ________

a)

fast electricity

b)

static electricity

c)

current electricity

d)

none of the above

40.

Which of the following items is NOT a part of a simple series circuit?

a)

Load

b)

Tester

c)

Power source

d)

Wire

41.

Which of these best completes the circuit in the diagram?

a)

rubber band

b)

metal nail

c)

leather shoelace

d)

wooden toothpick

42.

Electrical lights will not come on unless their electrical circuit is a

a)

parallel circuit

b)

series circuit

c)

closed circuit

d)

open circuit

43.

Electricity from power plants, solar converters, and batteries are all examples of __________

a)

conductors

b)

insulators

c)

sources

d)

generators

44.

Look at the diagram. What is the term for A?

a)

Conductor

b)

Load

c)

Switch

d)

Source

45.

What are some examples of insulators?

a)

Silver, iron, copper

b)

Metal spoon, penny, aluminium

c)

Rubber, glass, wool

d)

Gold, wire, nails

46.

Why are metals very useful for making electrical wire?

a)

Metals do not bend

b)

Metals hold much heat

c)

Metals are light

d)

Metals are conductors

47.

When all parts of the circuit are connected it is a/an _________ circuit.

a)

bridged

b)

connected

c)

closed

d)

open

48.

What part of a circuit controls the flow of electricity?

a)

Wire

b)

Switch

c)

Battery

d)

Motor

49.

In the picture, the plastic covering is there to:

a)

Provide a conductor for electrical energy to flow

b)

Provide a conductor so that electrical energy can NOT flow

c)

Provide an insulator so that electrical energy will not pass outside the wires

d)

Provide an insulator so that electrical energy can flow

50.

What object would best complete this circuit?

a)

A connector

b)

A piece of cotton wool

c)

A conductor

d)

A battery

51.

Which of these materials is an insulator?

a)

Silver

b)

Iron

c)

Aluminium

d)

Ceramic

52.

The human body can conduct electricity because:

a)

It is solid in nature

b)

The human skeleton is a good conductor of electricity

c)

It contains liquids

d)

None of the above

53.

Which of these materials will allow for the flow of electricity?

a)

Diamond

b)

Gold

c)

Leather

d)

Coal

54.

Materials that do not allow electricity to pass through them are called ________

a)

Resistors

b)

Insulators

c)

Conductors

d)

Preventors

55.

Organisms that feed on both animals and plants are known as

a)

Omnivores

b)

Carnivores

c)

Decomposers

d)

Herbivores

56.

Mammals and birds are

a)

Carnivores

b)

cold-blooded

c)

warm-blooded

d)

herbivores

57.

Which is a natural occurring environmental change?

a)

deforestation

b)

a volcanic eruption

c)

a chemical spill

d)

building a road

58.

Sound travels slowest through

a)

water

b)

air

c)

vacuum

d)

solids

59.

All matter is made up of __________

a)

gas

b)

liquid

c)

water

d)

atoms

60.

Amplitude of a sound wave affects its

a)

strength

b)

pitch

c)

vibration

d)

loudness

61.

Sound waves travel from one place to another transferring ________

a)

air

b)

energy

c)

particles

d)

speed

62.

Sound can be transmitted through objects

a)

True

b)

False

63.

Electrical energy is converted to ___________ energy in a hair dryer.

a)

light

b)

heat

c)

wind

d)

sound

64.

Flow of electricity is measured in

a)

Watts

b)

Litres

c)

Amperes

d)

Hertz

65.

When electrons move through a circuit ________ electricity is created.

a)

current

b)

electron

c)

solar

d)

static

66.

Which of the following could provide electricity?

a)

Power stations

b)

Solar panels

c)

Dry cell battery

d)

All of the above

67.

What type of energy is needed for a solar panel?

a)

Light

b)

Mechanical

c)

Sound

d)

Electrical

68.

Which of the following is a way thermal energy is used at school everyday?

a)

cooking food for lunch

b)

writing with a pencil

c)

looking in a mirror

d)

turning on the lights

69.

Which form of energy is produced when a guitar string vibrates?

a)

Light energy

b)

Sound energy

c)

Wind energy

d)

Electrical energy

70.

The normal body temperature of humans is

a)

27°C

b)

50°C

c)

212°C

d)

37°C

71.

The boiling point of water is

a)

0°C

b)

100°C

c)

37°C

d)

20°C

72.

The following countries uses the Centigrade scale except

a)

Africa

b)

United States

c)

Australia

d)

Europe

73.

The instrument used to measure temperature is called

a)

Syringe

b)

Wind vane

c)

Thermometer

d)

Rainguage

74.

A normal room temperature is usually within the range of

a)

20°C - 25°C

b)

30°C - 35°C

c)

40°C - 45°C

d)

50°C - 55°C

75.

Water freezes at

a)

80°C

b)

90°C

c)

100°C

d)

0°C

76.

Who invented the Farenheit scale?

a)

Thomas Edison

b)

Michael Farenheit

c)

Gabriel Farenheit

d)

Isaac Newton

77.

The water turned to ice when the temperature is lower than

a)

-10°C

b)

0°C

c)

32°F

d)

100°C

78.

The greatest natural source of heat on Earth the

a)

Moom

b)

Fire

c)

Star

d)

Sun

79.

If your body temperature is at ______ you are having a fever.

a)

10°C

b)

15°F

c)

23°C

d)

103°F

80.

Why are metals very useful for making electrical wire?

a)

Metals do not bend.

b)

Metals are conductors.

c)

Metals are light.

d)

Metals hold much heat.

81.

Which of these examples are a solid?

a)

water

b)

oxygen

c)

orange juice

d)

rock

82.

Which object is made of glass?

a)

b)

c)

d)

83.

All the following belong to the same group EXCEPT

a)

Snake

b)

Gecko

c)

Crocodile

d)

Alligator

e)

Octopus

84.

Materials that allow electricity to pass through them are known as

a)

Convection

b)

Conductor

c)

Conduction

d)

Insulator

85.

Materials that do not allow electricity to pass through them are known as _______

a)

Convection

b)

Conductor

c)

Conduction

d)

Insulator

86.

_________ is anything that has weight and occupies space.

a)

Load

b)

Matter

c)

Mattar

d)

Stone

87.

What state of matter does this picture show?

a)

Liquid

b)

Gas

c)

Solid

88.

What are the three stages of the water cycle?

a)

Evaporation, condensation, Precipitation

b)

Liquid, Gas, Solid

c)

Cloud, water, precipitation

89.

What is anything that takes up space and has mass?

a)

Mass

b)

Melting

c)

Matter

90.

When water condenses, the water vapor in the air gets __ and changes back into liquid

a)

Cold

b)

Hot

c)

Warm

91.

Evaporation happens when the sun ___ water and turns it into vapor.

a)

Cools

b)

Heat up

c)

Freezes

92.

When you heat water it turns into a __

a)

Liquid

b)

Water

c)

Gas

93.

The amount of space a liquid takes up is__

a)

Volume

b)

Liquid

c)

Solid

94.

What do all liquids have in common?

a)

They are rough

b)

You can drink them

c)

They can be poured

95.

What are the three states of matter?

a)

Rock, Brick, Shoe

b)

Solid, Liquid, Gas

c)

Liquid, Water, Soda

96.

What part of the water cycle does this picture show?

a)

Condensation

b)

Precipitation

c)

Evaporation

97.

What part of the water cycle does this picture show?

a)

Condensation

b)

Precipitation

c)

Evaporation

98.

Animals that have backbones are called ________.

a)

vertebrates

b)

Invertebrates

c)

Endoskeleton

99.

An adult human has ______ bones.

a)

208

b)

206

c)

300

100.

The longest bone is your ____________ bone.

a)

Hip

b)

Shoulder

c)

Thigh

101.

___________ is an element or substance that we need to help our bones grow healthy

a)

Phosphorus

b)

Calcium

c)

Helium

102.

The places where our bones meet are called

a)

Ligaments

b)

Joints

c)

Tendons

103.

Red blood cells carry __________ around the body.

a)

Water

b)

Blood

c)

Oxygen

104.

Where do we have the bone marrow?

a)

Inside our bones

b)

Outside our bones

c)

In the middle of our bones

105.

Muscles work

a)

Separately

b)

In pairs

c)

Independently

106.

Which of the following is not a function of the human skeleton?

a)

Protects the body

b)

Prevents movement

c)

Supports the body

107.

Which of the following is not a life process?

a)

Growth

b)

Resuscitation

c)

Nutrition

108.

Light has always been important in people's lives . List the different sources of light in order as used throughout the times .

a)

1. sun

2.fire

3.candles

4. oil lamps

5. gas light

6. electric light

b)

1. sun

2.electric light

3.candles

4. oil lamps

5. gas light

6. fire

c)

1. sun

2.fire

3.electric light

4. oil lamps

5. gas light

6. candles

d)

1. sun

2.fire

3.candles

4. gas light

5. oil lamps

6. electric light

109.

Look at this instrument . How does it make a noise ?

a)

shaken

b)

plucked

c)

hit

d)

air blown

110.

Sound travels by .........

a)

vibrations

b)

lights in the dark

111.

What do we call the smallest bone in our ear ?

a)

staples

b)

stapes

c)

steeples

YEAR 4 SCIENCE

Total questions: 111

Worksheet time: 58mins

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