Electricity for Year 3 Science: Interactive Quizzes and Learning Resources

Question 1

Which of these materials is an insulator, meaning it does not allow electricity to flow through it easily?

Accepted Answer

Plastic

Accepted Answer

Wood

Answer

Metal

Answer

Saltwater

Question 2

What happens when you complete a circuit?

Accepted Answer

Electricity flows around the circuit.

Answer

Electricity stops flowing.

Answer

Electricity changes direction.

Answer

Electricity gets used up.

Question 3

Which form of energy can electricity NOT be converted into?

Accepted Answer

Noise

Answer

Light

Answer

Heat

Answer

Movement

Question 4

What unit is used to measure the amount of electricity used by an appliance?

Accepted Answer

Watts

Answer

Volts

Answer

Amps

Answer

Ohms

Question 5

What factors can influence the resistance of a conductor?

Accepted Answer

The material it's made of

Accepted Answer

Its length

Accepted Answer

Its thickness

Answer

Its color

Question 6

Why do we use insulators in electrical circuits?

Accepted Answer

To keep people safe from electric shocks

Answer

To help electricity flow better

Answer

To make circuits look tidy

Answer

To store electricity

Question 7

Which of these materials allows electricity to pass through it easily?

Accepted Answer

Copper

Answer

Rubber

Answer

Plastic

Question 8

In a circuit, how does voltage relate to current and resistance?

Accepted Answer

Voltage is directly proportional to current and inversely proportional to resistance.

Answer

Voltage is directly proportional to current and directly proportional to resistance.

Answer

Voltage is inversely proportional to current and directly proportional to resistance.

Answer

Voltage is inversely proportional to current and inversely proportional to resistance.

Question 9

Which device uses the property of electricity flowing through a wire to create a magnet that can be turned on and off?

Accepted Answer

Electromagnet

Answer

Battery

Answer

Generator

Question 10

Your parent's lamp is broken and the light bulb isn't working. What are the first three things you should do to fix it?

Accepted Answer

Check if the bulb is burnt out by replacing it with a new one.

Accepted Answer

Try plugging the lamp into a different outlet.

Accepted Answer

Check the lamp's cord for any visible damage.

Answer

Shake the lamp vigorously to see if the bulb loosens and makes contact.

Question 11

Why is it crucial to follow electrical safety guidelines?

Accepted Answer

Electricity can be hazardous if not handled properly.

Answer

Only adults should operate electrical appliances.

Answer

Touching electrical wires is safe if they are covered in plastic.

Question 12

Why is it important to save electricity, and how can you help at home?

Accepted Answer

Saving electricity saves money and helps the environment.

Accepted Answer

Unplug appliances and turn off lights to save electricity.

Answer

Energy conservation is only important in cold climates.

Answer

We don't need to worry about saving electricity because there's always enough.

Question 13

Which of these ways of generating electricity doesn't create harmful gases?

Accepted Answer

Using solar panels

Accepted Answer

Harnessing wind power

Answer

Burning coal

Answer

Using a nuclear power station

Question 14

How can we save electricity at home?

Accepted Answer

Turn off the lights when we leave a room.

Accepted Answer

Unplug things when we're not using them.

Answer

Keep the fridge door open for a long time.

Answer

Leave the TV on standby.

Question 15

Which of these materials can carry electricity easily?

Accepted Answer

Copper

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 16

What happens when you turn on a switch in a circuit?

Accepted Answer

Electricity starts flowing

Answer

Electricity stops flowing

Answer

The light turns off

Answer

Nothing happens

Question 17

Which device uses electricity to make light?

Accepted Answer

Light bulb

Answer

Fan

Answer

Computer

Answer

Radio

Question 18

What is the main purpose of a battery?

Accepted Answer

To store electricity and provide power to devices

Answer

To create electricity

Answer

To transport electricity

Answer

To stop the flow of electricity

Question 19

Which material conducts electricity very well?

Accepted Answer

Copper

Answer

Wood

Answer

Rubber

Answer

Plastic

Question 20

What happens when a circuit has a complete pathway for electricity to flow?

Accepted Answer

Electricity starts flowing

Answer

Electricity stops flowing

Answer

Nothing happens

Answer

The light bulb gets brighter

Question 21

Which material prevents electricity from flowing through it?

Accepted Answer

Rubber

Answer

Metal

Answer

Salt water

Answer

Graphite

Question 22

What type of energy is electricity?

Accepted Answer

Electrical energy

Answer

Chemical energy

Answer

Heat energy

Answer

Mechanical energy

Question 23

Which of these is NOT a safety rule when working with electricity?

Accepted Answer

Touch the wires with your bare hands

Answer

Never touch exposed wires

Answer

Always use insulated tools

Answer

Use rubber gloves when handling electrical equipment

Question 24

Which material is often used as a resistor in electrical circuits?

Accepted Answer

Carbon

Answer

Copper

Answer

Iron

Answer

Gold

Question 25

Which of these materials allows electricity to pass through it easily?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 26

What do we call a complete loop that electricity can flow around?

Accepted Answer

Circuit

Answer

Loop

Answer

Wire

Answer

Switch

Question 27

Which of these devices uses electricity to make light?

Accepted Answer

Lamp

Answer

Fan

Answer

Computer

Answer

Television

Question 28

What happens when you close a switch in a circuit?

Accepted Answer

Electricity starts to flow

Answer

Electricity stops flowing

Answer

The circuit is broken

Answer

Nothing happens

Question 29

Which of these is NOT a source of electricity?

Accepted Answer

Water

Answer

Battery

Answer

Windmill

Answer

Solar panel

Question 30

What is the name of the material that stops electricity from flowing through it?

Accepted Answer

Insulator

Answer

Conductor

Answer

Wire

Answer

Switch

Question 31

What do we measure electrical current in?

Accepted Answer

Amps

Answer

Watts

Answer

Volts

Answer

Ohms

Question 32

What is the process of sending electrical signals over wires called?

Accepted Answer

Electrical signal transmission

Answer

Insulation

Answer

Circuitry

Answer

Conduction

Question 33

Which of the following materials can electricity flow through easily?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 34

What do we call the path that electricity takes?

Accepted Answer

Circuit

Answer

Wire

Answer

Battery

Answer

Switch

Question 35

Which of these needs electricity to produce light?

Accepted Answer

Lamp

Answer

Fan

Answer

Refrigerator

Answer

Washing machine

Question 36

What will happen if we connect two wires from a battery to a light bulb?

Accepted Answer

The light bulb will light up

Answer

The wires will get hot

Answer

The battery will lose power

Answer

Nothing will happen

Question 37

Which action breaks an electrical circuit?

Accepted Answer

Turning off the switch

Answer

Connecting the wires

Answer

Adding a battery

Answer

Touching the wires

Question 38

Why do we put a cover around electrical wires?

Accepted Answer

To protect us from electric shocks

Answer

To stop them getting tangled

Answer

To make them look nice

Answer

To make the electricity flow better

Question 39

Which of these is good at carrying electricity?

Accepted Answer

Copper

Answer

Paper

Answer

Water

Answer

Air

Question 40

What does a voltmeter measure?

Accepted Answer

Voltage

Answer

Current

Answer

Resistance

Answer

Power

Question 41

How can you create an electromagnet?

Accepted Answer

Wrap wire around a metal object and connect it to a battery.

Answer

Rub a magnet on a piece of metal repeatedly.

Answer

Place a magnet inside a coil of wire.

Answer

Connect a battery to a metal rod.

Question 42

Which of these materials conducts electricity?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 43

What is the name of the complete path through which electricity flows?

Accepted Answer

Circuit

Answer

Wire

Answer

Battery

Answer

Switch

Question 44

What provides the power in an electrical circuit?

Accepted Answer

Battery

Answer

Light bulb

Answer

Wire

Answer

Switch

Question 45

What happens when you turn on a switch in a circuit?

Accepted Answer

Electricity starts flowing.

Answer

Electricity stops flowing.

Answer

The light bulb gets brighter.

Answer

The battery gets weaker.

Question 46

What is the role of a fuse in an electrical circuit?

Accepted Answer

To protect the circuit from overloading.

Answer

To make the circuit work faster.

Answer

To store electricity.

Answer

To connect the wires.

Question 47

Which device uses electricity to produce sound?

Accepted Answer

Radio

Answer

Book

Answer

Chair

Answer

Table

Question 48

Which is NOT a safety rule for working with electricity?

Accepted Answer

It's okay to use water to put out an electrical fire.

Answer

Never touch bare wires.

Answer

Always use insulated tools.

Answer

Never work on live circuits.

Question 49

What unit measures electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 50

Which material allows electricity to pass through it easily?

Accepted Answer

Metal

Answer

Wood

Answer

Rubber

Answer

Plastic

Question 51

When a circuit is closed, what happens?

Accepted Answer

Electricity can flow.

Answer

Electricity cannot flow.

Answer

The circuit will blow up.

Answer

Nothing happens.

Question 52

What part of a circuit controls the flow of electricity?

Accepted Answer

Switch

Answer

Wire

Answer

Battery

Answer

Bulb

Question 53

What is the difference between a series circuit and a parallel circuit?

Accepted Answer

In a series circuit, the electricity flows through one path. In a parallel circuit, the electricity flows through many paths.

Answer

In a series circuit, the electricity flows through many paths. In a parallel circuit, the electricity flows through one path.

Answer

There is no difference between a series circuit and a parallel circuit.

Answer

A series circuit is used to power lights. A parallel circuit is used to power motors.

Question 54

How does a battery work?

Accepted Answer

It stores chemical energy and turns it into electrical energy.

Answer

It stores electrical energy and turns it into chemical energy.

Answer

It creates electricity from nothing.

Answer

It doesn't work.

Question 55

Why do we use insulators in electrical circuits?

Accepted Answer

To stop electricity from flowing where we don't want it to

Answer

To help electricity flow better

Answer

To connect different parts of the circuit

Answer

To store electricity

Question 56

When using an electrical appliance, if you see sparks or smell something burning, what's the first thing you should do?

Accepted Answer

Unplug the appliance and tell an adult.

Answer

Keep using the appliance, it's probably okay.

Answer

Touch the appliance to check if it's hot.

Question 57

You have two balloons that you've rubbed against your hair. What kind of electric charge do the balloons have, and what happens when you bring them close together?

Accepted Answer

One balloon has a positive charge, and the other has a negative charge, so they pull towards each other.

Answer

Both balloons have a positive charge, so they push away from each other.

Answer

Both balloons have a negative charge, so they push away from each other.

Answer

Neither balloon has a charge, so they don't do anything when you bring them close together.

Question 58

When building an electrical circuit, why is it better to use materials that let electricity flow easily?

Accepted Answer

Because they allow more electricity to flow.

Answer

Because they can store more electricity.

Answer

Because they are safer to use.

Answer

Because they are cheaper.

Question 59

When mechanical energy is converted in a power station, what type of energy is produced?

Accepted Answer

Electrical energy

Answer

Light energy

Answer

Heat energy

Question 60

Which device uses both a magnet and electricity to make sound?

Accepted Answer

Loudspeaker

Answer

Electric fan

Answer

Flashlight

Question 61

Which material helps electricity travel easily?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Question 62

What do we call the path electricity moves along?

Accepted Answer

Circuit

Answer

Current

Answer

Voltage

Question 63

What happens when you switch on a circuit?

Accepted Answer

Electricity starts moving

Answer

Electricity stops moving

Answer

Nothing happens

Question 64

What makes electricity move?

Accepted Answer

Voltage

Answer

Gravity

Answer

Magnetism