Free Printable Science Year 4

1.

Electricity is....

a)

a form of energy

b)

only in batteries

c)

a gas

2.

All appliances need batteries to work.

a)

true - only batteries

b)

false - sometimes they use mains electricity

3.

A circuit is ....

a)

when you get fit

b)

a loop that allows electricity to flow through the wires

c)

when electricity is in the air

4.

A cell is another name for....

a)

a bulb

b)

a battery

c)

a wire

d)

a source of light

5.

A switch can...

a)

swap things over

b)

break or reconnect a circuit

c)

increase the flow of electricity

6.

These circuits .....

a)

will not work because they are incomplete

b)

will work because they are complete

c)

allow electricity to flow though

7.

This circuit....

a)

will work because it is complete

b)

will not work because it is incomplete

c)

needs extra components to make it work

8.

Why will this circuit not work?

a)

It will work because it has a cell.

b)

It won't work because it does not have a switch.

c)

It won't work because the battery is only connected at the positive end.

9.

Electricity is.....

a)

A form of heat

b)

The flow of electric charge

c)

How we create water

10.

Which of these is NOT a form of electricity?

a)

Bio-electricity

b)

Amplitude

c)

Static

d)

Lightning

11.

Mains electricity uses alternating current (AC)

a)

True

b)

False

12.

Battery electricity uses direct current (DC)

a)

True

b)

False

13.

Electricity is a primary source of energy

a)

True

b)

False

14.

Which of the following are examples of a primary source of energy?

a)

Solar

b)

Oil

c)

Wind

d)

All of the above

15.

Non-renewable energy is when a primary source of energy....

a)

Can only be used once

b)

Can not generate electricity

c)

Can be used over and over again

16.

What is an appliance?

a)

A type of electricity

b)

A device that makes electricity

c)

A piece of equipment used to perform a task

d)

A secondary source of energy

17.

What type of electricity does a toaster use?

a)

Mains

b)

Battery

18.

What type of electricity does a chromebook use?

a)

Mains

b)

Battery

c)

It does not use electricity

19.

Another name for a battery is:

a)

circuit

b)

light

c)

buzzer

d)

cell

20.

Which of these need electricity to work?

a)

torch

b)

table

c)

scooter

d)

chair

21.

How will you know if a material conducts electricity?

a)

Electricity will flow freely and the circuit will work.

b)

Electricity will not flow and the circuit will not work.

c)

The battery will not work.

d)

The bulb will not work.

22.

Why is it dangerous to use an electrical appliance near water?

a)

It will change the colour of the water.

b)

You could be electrocuted.

c)

You could spill some water.

d)

It might make you thirsty.

23.

A circuit will not work if….

a)

there is a battery.

b)

there is a break in the circuit.

c)

the switch is closed.

d)

there is no bulb.

24.

Which of these circuits will light?

a)

The battery has a wire connected to both sides and the light bulb has two wires connected to each side.

b)

The light bulb only has a wire connected on one side.

c)

The battery only has a wire connected on one side.

d)

The battery and bulb have a single wire attached to each side, making one loop.

25.

Which of these circuits will not light?

a)

The battery light bulb and switch each have a single wire attached to each side, making one loop.

b)

The light bulb only has a wire connected on one side.

c)

The battery, buzzer and bulb each have a single wire attached to each side, making one loop.

d)

The battery and bulb have a single wire attached to each side, making one loop.

26.

1. Which component of a circuit provides electricity?

a)

buzzer

b)

wire

c)

cell

d)

bulb

27.

Electric Current flows from ________ terminal to negative terminal.

a)

neutral

b)

positive

c)

negative

28.

Which way did the electricity flow in the circuit?

a)

clockwise

b)

anticlockwise

29.

Look at the circuit. Will the bulb light up?

a)

no

b)

yes

30.

What is the shape of the magnet?

a)

disc

b)

ring

c)

horseshoe

d)

wand

31.

What will happen to the magnet?

a)

repulsion

b)

move towards

c)

move nearer

d)

attract

32.

What happens to the magnet?

a)

repel

b)

attract

c)

move further away

33.

Magnets have a north pole and a ___ pole.

a)

east

b)

south

c)

west

d)

north

34.

Some magnets are stronger than others.

a)

False

b)

True

35.

The mixture of metals is called an _____.

a)

alloy

b)

metal

36.

____________ is used to make airplane.

a)

Steel

b)

Aluminum

c)

Gold

d)

Copper

37.

__________ is used to make electric cables and wires.

a)

Gold

b)

Silver

c)

Copper

d)

Aluminium

38.

Which components would you need to make a circuit which turns a bulb on and off?

a)

Bulb & holder

Wires

Switch

Bulb & holder

b)

Bulb & holder

Wires

Cell & holder

Buzzer

c)

Cell & holder

Buzzer

Switch

Bulb & holder

d)

Bulb & holder

Cell & holder

Wires

Switch

39.

For a circuit to work it must be:

a)

Incomplete

b)

Powerful

c)

Complete

d)

Large

40.

Which of these devices would usually be powered by electrical cells? (Tick two).

a)

Mobile phone

b)

Torch

c)

Desktop computer

d)

Television (T.V.)

41.

Which of these devices would usually be powered by mains electricity? (Tick two).

a)

i-pad

b)

Electric oven

c)

Remote-controlled car

d)

Hairdryer

42.

What is an electric socket?

a)

A pair of electrically heated socks

b)

A place in a wall where you can plug in electrical devices to get power

c)

A machine that generates electricity

d)

Something that doesn't conduct electricity

43.

What material are electrical wires made from?

a)

Red plastic

b)

Black plastic

c)

Metal covered in coloured plastic

d)

Thin plastic tubing

44.

What are the safe ways to work with electricity?

a)

Turn off mains electricity before fixing exposed parts

b)

use exposed cables and broken plugs

c)

Keep electrical appliances out of wet places

d)

put your finger in a socket

e)

not overload an electrical outlet

45.

What is a switch's function in a circuit?

a)

to make the current hotter or colder

b)

turn on and off the flow of current

c)

the pathway that current flows

d)

to add more power to the circuit

46.

Is the circuit pictured complete or incomplete?

a)

Complete

b)

Incomplete

47.

If the light bulb turns ON in a circuit, that means the circuit is

a)

open

b)

closed

48.

What supplies the energy in an electric circuit?

a)

light bulb

b)

conductor

c)

wire

d)

battery

49.

Two batteries in a circuit make the lights in the circuit brighter than one battery.

a)

true

b)

false

50.

We need to follow safety ___________________ when using electricity or else you could suffer electric shocks.

a)

methods

b)

booklets

c)

precautions

d)

pylons

51.

True / False -- You can put anything such as a fork into electric sockets.

a)

True

b)

False

52.

Electricity that flows in a closed path is called a

a)

path

b)

current

c)

circuit

53.

To complete a circuit the switch must be

a)

unattached

b)

open

c)

closed

54.

When the switch is closed, the light

a)

comes on

b)

stays off

c)

burns out

55.

Two batteries in a circuit make the lights in the circuit brighter than one battery.

a)

true

b)

false

56.

If the lights are on, the circuit is

a)

closed

b)

open

57.

If the lights are off, the circuit is

a)

closed

b)

open

58.

Why do electricians always wrap wires in plastic?

a)

Plastic comes in many different colors

b)

Plastic is a good electrical conductor

c)

Plastic makes the wires easy to bend

d)

Plastic is a good electrical insulator

59.

How can it be explained that someone's hair can stick to a balloon?

a)

There is static electricity

b)

There is too much dust in the air

c)

A parallel circuit was too long

d)

The person needs to wash his hair

60.

How does a switch work?

a)

It opens and closes the circuit

b)

It makes the light bulb brighter

c)

It is a resistor

61.

Select the nationality of the country shown in the picture.

a)

American

b)

British

c)

Mexican

d)

Chinese

62.

Select the nationality of the country shown in the picture.

a)

British

b)

Chinese

c)

Korean

d)

Mexican

63.

Select the nationality of the country shown in the picture.

a)

Brazilian

b)

Mexican

c)

American

d)

British

64.

Select the nationality of the country shown in the picture.

a)

Brazilian

b)

American

c)

British

d)

Mexican

65.

Select the nationality of the country shown in the picture.

a)

Chinese

b)

Mexican

c)

Malaysian

d)

American

66.

Select the nationality of the country shown in the picture

a)

Mexican

b)

Malaysian

c)

British

d)

Chinese

67.

Friends from around the world

We’re all friends from around the world

We’ve got each other, we’re not alone.

My name is Aina, I’m from Malaysia,

My friend’s from the UK, her name is Anastasia,

This is Paolo, he’s from Brazil,

His friend’s from the US, her name is Jill.

-Extracted from Get Smart Plus 4-

What is Paolo nationality? He is________________

a)

Malaysian

b)

British

c)

Mexican

d)

Brazilian

68.

Hi. I’m Wadida. I would like to share with you about my housework. I always help my mum in the kitchen, but I never cook. I have to set the table before dinner and clear the table after dinner. I also do the washing-up. That’s all about my housework.

-Extracted from Get Smart Plus 4-

Does Wadida cook?

a)

Yes, she does.

b)

No, she doesn’t.

69.

Hi. I’m Wadida. I would like to share with you about my housework. I always help my mum in the kitchen, but I never cook. I have to set the table before dinner and clear the table after dinner. I also do the washing-up. That’s all about my housework.

-Extracted from Get Smart Plus 4-

Wadida has to do all the housework except___________.

a)

Set the table

b)

Washing-up

c)

Clear the table

d)

Cook

70.

Hi. I’m Wadida. I would like to share with you about my housework. I always help my mum in the kitchen, but I never cook. I have to set the table before dinner and clear the table after dinner. I also do the washing-up. That’s all about my housework.

-Extracted from Get Smart Plus 4-

Wadida never helps her mum in the kitchen.

a)

True

b)

False

71.

Which device or devices could be removed without breaking an electric circuit?

a)

only the lightbulb

b)

only the switch

c)

the battery and they switch

d)

the lightbulb and the switch

72.

The shock you sometimes feel when you touch a metal doorknob on a dry day is electric _______.

a)

circuit

b)

current

c)

discharge

d)

resistance

73.

Which of the following is a circuit that has only ONE path for electricity?

a)

parallel circuit

b)

series circuit

c)

open circuit

d)

closed circuit

74.

Which of the following is a circuit that has MORE than one path for electricity?

a)

parallel circuit

b)

series circuit

c)

open circuit

d)

closed circiut

75.

A form of energy from moving electrons is called:

a)

electricity

b)

circuit

c)

insulator

d)

conductor

76.

When two objects rub against each other, it is called:

a)

conductor

b)

friction

c)

static electricity

d)

electric discharge

77.

Which of the following is NOT an example of natural electricity?

a)

lightning

b)

static electricity

c)

electric generator

78.

The diagram shows a hyena. Hyena is a type of animal that have skeleton inside their body.

Which organism below have skeleton outside their body?

a)

Hamster

b)

Elephant

c)

Piranha

d)

Prawn

Science Year 4

Total questions: 78

Worksheet time: 50mins

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