Investigating Electrical Circuits: Interactive Quizzes for Year 2 Science

Question 1

Which material lets electricity pass through it easily?

Accepted Answer

Metal

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 2

What do we call the path that electricity travels around?

Accepted Answer

Circuit

Answer

Wire

Answer

Power source

Answer

Switch

Question 3

Which of these changes electricity into light?

Accepted Answer

Light bulb

Answer

Battery

Answer

Speaker

Answer

Motor

Question 4

Which of these can be used to check if a circuit is complete?

Accepted Answer

A light bulb

Answer

A compass

Answer

A magnet

Answer

A ruler

Question 5

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

Accepted Answer

In a series circuit, electricity flows through one path, while in a parallel circuit, it flows through multiple paths.

Answer

In a parallel circuit, electricity flows through one path, while in a series circuit, it flows through multiple paths.

Answer

Series circuits have only one battery, while parallel circuits have multiple batteries.

Answer

Parallel circuits have only one switch, while series circuits have multiple switches.

Question 6

What happens when a closed circuit is made?

Accepted Answer

Electricity flows

Answer

The battery loses power

Answer

The light bulb heats up

Answer

Nothing happens

Question 7

What does the symbol '+' mean in an electrical circuit?

Accepted Answer

Positive terminal of a battery

Answer

Negative terminal of a battery

Answer

Switch

Answer

Light bulb

Question 8

Which of these can you use to make a switch in a circuit?

Accepted Answer

Piece of metal

Answer

Paper clip

Answer

Cloth

Answer

Rubber band

Question 9

What material allows electricity to flow through it?

Accepted Answer

Conductor

Answer

Insulator

Answer

Resistor

Question 10

Which of these is not a part of a simple electrical circuit?

Accepted Answer

Computer

Answer

Battery

Answer

Wire

Answer

Switch

Question 11

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

Accepted Answer

Electricity starts flowing

Answer

Electricity stops flowing

Answer

Nothing happens

Question 12

Which of these materials is a good electrical conductor?

Accepted Answer

Metal

Answer

Rubber

Answer

Plastic

Question 13

Which of these materials can electricity pass through easily?

Accepted Answer

Metal

Answer

Wood

Answer

Glass

Answer

Plastic

Question 14

What is the name for the path that electricity travels along?

Accepted Answer

Circuit

Answer

Wire

Answer

Battery

Answer

Switch

Question 15

Which part of a circuit lets you turn it on and off?

Accepted Answer

Switch

Answer

Battery

Answer

Wire

Answer

Bulb

Question 16

Which of these is good at letting electricity flow through it?

Accepted Answer

Copper

Answer

Rubber

Answer

Paper

Answer

Wood

Question 17

Which type of material does NOT let electricity pass through it easily?

Accepted Answer

Insulator

Answer

Conductor

Answer

Wire

Answer

Switch

Question 18

Which part of a circuit connects the different parts and lets the electricity flow between them?

Accepted Answer

Wire

Answer

Battery

Answer

Light bulb

Answer

Switch

Question 19

What happens when you open a switch in a circuit?

Accepted Answer

The light goes off.

Answer

The battery goes flat.

Answer

The wire gets cold.

Answer

The circuit breaks.

Question 20

What does a battery do in a circuit?

Accepted Answer

It allows electricity to flow.

Answer

It makes electricity.

Answer

It saves electricity.

Answer

It controls electricity.

Question 21

Which of these can electricity pass through easily?

Accepted Answer

Copper

Answer

Wood

Answer

Rubber

Answer

Glass

Question 22

What happens if you put a light bulb in a simple circuit with a battery?

Accepted Answer

The bulb will glow.

Answer

The bulb will get hot.

Answer

The battery will run out of power.

Answer

Nothing will happen.

Question 23

Which is NOT part of a circuit?

Accepted Answer

Magnet

Answer

Battery

Answer

Bulb

Answer

Switch

Question 24

What if a wire in a circuit is broken?

Accepted Answer

The circuit won't work.

Answer

The bulb will shine brighter.

Answer

The battery will lose power faster.

Answer

Nothing will happen.

Question 25

What is the unit for measuring electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 26

What symbol is used to represent a battery in a circuit diagram?

Accepted Answer

+ -

Answer

[]

Answer

O

Answer

X

Question 27

Which circuit design would make it easiest to turn the light on and off using the switch?

Accepted Answer

A circuit with a battery, a switch, a bulb, and a wire

Answer

A circuit with a battery, a bulb, and a wire

Answer

A circuit with a battery, a bulb, and two wires

Answer

A circuit with a battery, a switch, two bulbs, and a wire

Question 28

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

Accepted Answer

To break the circuit if the current becomes too high

Answer

To allow too much electricity to flow

Answer

To complete the circuit

Answer

To stop any electricity from flowing

Question 29

To measure the voltage across a component in a circuit, you should use a:

Accepted Answer

Voltmeter connected in parallel with the component

Answer

Ammeter

Answer

Voltmeter connected in series with the component

Question 30

What makes a circuit a closed circuit?

Accepted Answer

When electricity flows around the circuit without any gaps.

Answer

When the wires are connected but have a gap in between.

Answer

When the battery is connected to the wires.

Answer

When the light bulb is turned on.

Question 31

Which of these materials does NOT allow electricity to flow through it?

Accepted Answer

Plastic

Answer

Metal

Answer

Saltwater

Answer

Water

Question 32

What is the name for the complete path that electricity travels around?

Accepted Answer

Electrical circuit

Answer

Electrical path

Answer

Electrical loop

Question 33

Which of these symbols represents a battery?

Accepted Answer

[Image of a battery symbol]

Answer

[Image of a switch symbol]

Answer

[Image of a light bulb symbol]

Answer

[Image of a wire symbol]

Question 34

What happens if you close the switch in a circuit?

Accepted Answer

The electricity can flow around the circuit.

Answer

The electricity stops flowing.

Answer

The light bulb gets brighter.

Question 35

Which of these is NOT a part of a simple electrical circuit?

Accepted Answer

Magnet

Answer

Battery

Answer

Light bulb

Answer

Wire

Question 36

Which of these materials lets electricity flow through it easily?

Accepted Answer

Copper

Answer

Wood

Answer

Rubber

Answer

Plastic

Question 37

What do we call the unit for measuring electrical current?

Accepted Answer

Ampere

Answer

Watt

Answer

Volt

Answer

Ohm

Question 38

Which of these is NOT a part of a simple electrical circuit?

Accepted Answer

A pencil

Answer

A wire

Answer

A battery

Answer

A bulb

Question 39

What happens to the light bulb in a circuit when the switch is turned OFF?

Accepted Answer

The light bulb turns off.

Answer

The light bulb stays on.

Answer

The light bulb gets brighter.

Answer

The light bulb gets dimmer.

Question 40

Which of these materials can electricity flow through easily?

Accepted Answer

Metal wire

Answer

Plastic

Answer

Wood

Question 41

What happens to the bulb in a circuit when you add another battery?

Accepted Answer

The bulb gets brighter.

Answer

The bulb stops working.

Answer

The bulb stays the same.

Answer

The bulb gets dimmer.

Question 42

Which of these is NOT a safe way to handle electricity?

Accepted Answer

Putting metal objects into an electrical socket.

Answer

Asking an adult for help with electricity.

Answer

Using electrical equipment with a working plug.

Answer

Turning off appliances when not in use.

Question 43

What happens to the bulb in a circuit if you break the wire?

Accepted Answer

The bulb turns off.

Answer

The bulb gets dimmer.

Answer

The bulb gets brighter.

Answer

The bulb keeps shining.

Question 44

You have a circuit with a battery, a bulb, and a switch. The bulb is not lit. What could be wrong?

Accepted Answer

The switch is off.

Answer

The wire is too short.

Answer

The bulb is broken.

Answer

The battery is dead.

Question 45

What is the purpose of the wire in a circuit?

Accepted Answer

To provide a path for the electricity to flow.

Answer

To make the circuit look nice.

Answer

To make the bulb shine brighter.

Answer

To hold the battery in place.

Question 46

Which of these is an example of a conductor?

Accepted Answer

A metal spoon

Answer

A plastic ruler

Answer

A rubber band

Answer

A wooden spoon

Question 47

What is the main source of energy for an electrical circuit?

Accepted Answer

A battery

Answer

A wire

Answer

A light bulb

Answer

A switch