Electronics for Year 5: Interactive Quizzes and Learning Resources

Question 1

Which material allows electricity to flow through it easily?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Paper

Question 2

Which part is NOT needed in a basic electric circuit?

Accepted Answer

Magnet

Answer

Battery

Answer

Wire

Answer

Switch

Question 3

You have a flashlight and a remote control. Which of these can power both of them?

Accepted Answer

A battery

Answer

A solar panel

Answer

A magnet

Answer

A piece of wood

Question 4

Which of these is NOT a necessary component for a basic electrical circuit?

Accepted Answer

Magnet

Answer

Battery

Answer

Wire

Answer

Switch

Question 5

You have a toy car with a motor that needs electricity to work. Which of these materials would be the best choice for the wires that carry the electricity to the motor?

Accepted Answer

Copper

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 6

In a complete electrical circuit, which component allows electricity to flow?

Accepted Answer

Wire

Answer

Resistor

Answer

Battery

Answer

Switch

Question 7

Which component is NOT found in a simple electrical circuit?

Accepted Answer

Motor

Answer

Battery

Answer

Wire

Answer

Light bulb

Question 8

In a simple electrical circuit with a battery, a resistor, and a light bulb, which of the following is NOT a part of the circuit?

Accepted Answer

Switch

Answer

Battery

Answer

Resistor

Answer

Light bulb

Question 9

Which component is NOT found in a basic electrical circuit?

Accepted Answer

Transistor

Answer

Battery

Answer

Resistor

Answer

Switch

Question 10

Which material would be the best choice for a wire to connect a light bulb to a battery?

Accepted Answer

Copper

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 11

In an electrical circuit, what component controls the flow of electricity?

Accepted Answer

A switch

Answer

A battery

Answer

A piece of wire

Question 12

Which component in a circuit acts like a tiny switch to control the flow of electricity?

Accepted Answer

Transistor

Answer

Resistor

Answer

Capacitor

Answer

Inductor

Question 13

Which component is typically NOT found in a basic electrical circuit?

Accepted Answer

Motor

Answer

Battery

Answer

Wire

Answer

Switch

Question 14

What do we call the measure of the flow of electric charge?

Accepted Answer

Current

Answer

Voltage

Answer

Resistance

Answer

Power

Question 15

What is NOT needed to create a simple electric circuit that lights up a bulb?

Accepted Answer

Motor

Answer

Battery

Answer

Wire

Answer

Light bulb

Question 16

Which of these materials allows electricity to pass through it?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 17

What is the main job of a resistor in an electrical circuit?

Accepted Answer

To control the flow of electricity.

Answer

To make more electricity flow.

Answer

To keep electricity for later.

Question 18

In an electrical circuit, what is the purpose of an insulator?

Accepted Answer

To prevent electrical shocks

Answer

To allow electricity to flow

Answer

To store electricity

Answer

To control the flow of electricity

Question 19

In an electrical circuit, which part is responsible for controlling the flow of electricity and protecting the circuit from excessive current?

Accepted Answer

Fuse

Answer

Battery

Answer

Switch

Question 20

Which material allows electricity to flow through it most easily?

Accepted Answer

Copper

Answer

Plastic

Answer

Rubber

Answer

Wood

Question 21

In an electrical circuit with a battery, light bulb, and wires, what happens to the light bulb's brightness if we add more batteries?

Accepted Answer

Brighter

Answer

Dimmer

Answer

No change

Question 22

Which type of circuit lets electricity flow through different routes?

Accepted Answer

Parallel circuit

Answer

Series circuit

Answer

Open circuit

Answer

Short circuit

Question 23

When working with electricity, what's a crucial safety rule to remember?

Accepted Answer

Never touch wires or equipment with wet hands.

Answer

It's safe to use appliances near water if they're not plugged in.

Answer

Use extension cords with multiple plugs to connect many appliances.

Answer

It's okay to use a frayed or damaged electrical cord.

Question 24

How should you organize wires to keep them untangled?

Accepted Answer

Secure them with cable ties or twist ties

Answer

Leave them loose

Answer

Wrap them tightly in electrical tape

Question 25

When you turn off the switch in a circuit with a battery, light bulb, and connecting wires, what happens to the light bulb?

Accepted Answer

It turns off.

Answer

It stays on.

Answer

It gets brighter.

Answer

It flickers.

Question 26

When using a voltmeter to measure voltage, where should you connect the positive probe?

Accepted Answer

Positive terminal of the power source

Answer

Negative terminal of the power source

Answer

Resistor in the circuit

Answer

Ground wire

Question 27

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

Accepted Answer

Magnet

Answer

Battery

Answer

Wire

Answer

Light bulb

Question 28

What's the main reason we use a system diagram in an electrical system?

Accepted Answer

To show how parts connect and work together.

Answer

To describe each part in detail.

Answer

To avoid testing and making prototypes.

Question 29

Electrical resistance is a property of materials that restricts the flow of electricity. How does electrical resistance impact the flow of electricity in a circuit?

Accepted Answer

Decreases the flow of electricity through the circuit.

Answer

Increases the flow of electricity through the circuit.

Answer

Has no effect on the flow of electricity through the circuit.

Question 30

How are electrical signals sent wirelessly? Give examples of wireless communication technologies.

Accepted Answer

Electrical signals can be sent through the air as radio waves. Examples include Wi-Fi, Bluetooth, and cell phones.

Answer

Electrical signals can only be sent through wires.

Answer

Electrical signals can be transmitted wirelessly using sound waves.

Question 31

How does electronic waste harm the environment, and what are responsible ways to dispose of or recycle old electronic devices?

Accepted Answer

Electronic waste releases harmful chemicals into the air and water, and recycling it saves resources.

Answer

Electronic waste can be safely thrown away in regular trash or burned, and recycling is unnecessary.

Answer

Electronic waste can only be disposed of by burying it underground or dumping it in the ocean.

Question 32

You have four batteries. What happens to the voltage output if you connect them together in a series, compared to using just one battery?

Accepted Answer

Four times greater

Answer

Half as much

Answer

Stays the same

Answer

Unpredictable

Question 33

How can electronics help improve healthcare?

Accepted Answer

Wearable devices track heart rate and sleep.

Accepted Answer

Robotic surgery systems offer more precision.

Accepted Answer

Electronic prosthetics replace lost limbs.

Answer

Electronics have no role in healthcare.

Question 34

Why do we use a fuse in an electrical circuit?

Accepted Answer

To protect the circuit from overheating.

Answer

To make the current stronger.

Answer

To turn the circuit on and off.

Answer

To store extra electricity.

Question 35

How does wireless communication work? Give an example of a device that uses it.

Accepted Answer

Wireless communication sends signals through the air without wires. An example is a mobile phone.

Answer

Wireless communication uses sound waves to send signals through the air. An example is a radio.

Answer

Wireless communication uses wires to send signals through the air.

Question 36

Binary code is a system that uses 1s and 0s to represent data. What is a simple digital circuit that uses binary code?

Accepted Answer

A logic gate, such as an AND gate or an OR gate

Answer

A transistor

Answer

A resistor

Answer

A capacitor

Question 37

How do microcontrollers help electronic devices work automatically?

Accepted Answer

Microcontrollers use sensors to detect changes in the environment and then tell other parts of the device how to respond.

Answer

Microcontrollers can only be used in very large electronic devices.

Answer

Microcontrollers are too complicated for children to understand.

Question 38

Who is credited with inventing the light bulb?

Accepted Answer

Thomas Edison

Answer

Benjamin Franklin

Answer

Isaac Newton

Answer

Albert Einstein

Question 39

Which material is commonly used to make electrical wires that conduct electricity?

Accepted Answer

Copper

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 40

What is the primary function of a fuse in an electrical circuit?

Accepted Answer

To protect the circuit from overloading

Answer

To allow current to flow in only one direction

Answer

To store electrical energy

Answer

To increase the voltage in the circuit

Question 41

Which electrical component is used to store electrical charge?

Accepted Answer

Capacitor

Answer

Inductor

Answer

Diode

Answer

Resistor

Question 42

What unit is used to measure electrical current?

Accepted Answer

Ampere

Answer

Volt

Answer

Ohm

Answer

Watt

Question 43

Which material can conduct electricity?

Accepted Answer

Metal

Answer

Wood

Answer

Plastic

Answer

Rubber

Question 44

What role does a capacitor play in a circuit?

Accepted Answer

Stores electrical energy

Answer

Slows down the flow of electricity

Answer

Amplifies electrical signals

Answer

Controls voltage

Question 45

Which component helps control the flow of electricity in a circuit?

Accepted Answer

Resistor

Answer

Diode

Answer

Transistor

Answer

Capacitor

Question 46

Which type of circuit allows electricity to travel in only one direction?

Accepted Answer

Series circuit

Answer

Parallel circuit

Answer

Open circuit

Answer

Closed circuit

Question 47

What is the most important safety precaution to take when working with electricity?

Accepted Answer

Use insulated tools

Answer

Touch live wires

Answer

Ignore warning labels

Answer

Overload sockets

Question 48

What is the main purpose of a voltage regulator?

Accepted Answer

Keep voltage constant

Answer

Increase voltage

Answer

Decrease voltage

Answer

Reverse voltage

Question 49

Which component changes electrical energy into light energy?

Accepted Answer

Light-emitting diode (LED)

Answer

Diode

Answer

Resistor

Answer

Capacitor

Question 50

What is the key difference between an open circuit and a closed circuit?

Accepted Answer

Electricity can flow in a closed circuit, but not in an open circuit.

Answer

Electricity can flow in an open circuit, but not in a closed circuit.

Answer

Electricity can flow in both open and closed circuits.

Answer

Electricity cannot flow in either open or closed circuits.

Question 51

Which of these is NOT a typical type of electronic device?

Accepted Answer

Toaster

Answer

Smartphone

Answer

Computer

Answer

Television

Question 52

How do wireless devices communicate with each other?

Accepted Answer

Using antennas

Answer

Through wires hidden underground or in walls

Answer

Through the internet

Question 53

Who invented the triode vacuum tube, a key component in the development of modern electronics?

Accepted Answer

Lee De Forest

Answer

Thomas Edison

Answer

Alexander Graham Bell

Answer

Nikola Tesla

Question 54

What does a resistor do in an electrical circuit?

Accepted Answer

Stops some electricity from flowing

Answer

Lets more electricity flow

Answer

Stores electricity

Answer

Makes electricity

Question 55

Which of these things lets electricity flow through it?

Accepted Answer

Metal

Answer

Plastic

Answer

Wood

Answer

Rubber

Question 56

What does a diode do?

Accepted Answer

Lets electricity flow in only one direction

Answer

Makes the electricity stronger

Answer

Makes the electricity weaker

Answer

Stores electricity

Question 57

What does a capacitor do?

Accepted Answer

Stores electricity

Answer

Lets electricity out

Answer

Makes the electricity stronger

Answer

Makes the electricity weaker

Question 58

What's the purpose of an integrated circuit (IC) chip?

Accepted Answer

To put many electronic parts into a tiny package

Answer

To make an electronic circuit bigger

Answer

To make an electronic circuit smaller

Answer

To make electricity

Question 59

Which of the following best describes the difference between conductors and insulators?

Accepted Answer

Conductors allow electricity to flow through them, while insulators do not.

Answer

Insulators allow electricity to flow through them, while conductors do not.

Answer

Conductors and insulators are the same type of material.

Question 60

When designing electronic products, why is it important to consider the environment?

Accepted Answer

To reduce the use of harmful materials and promote recycling.

Answer

To make the products look attractive to customers.

Answer

To keep the products affordable for everyone.

Question 61

When we connect resistors in parallel (side by side), what happens to the total resistance of the circuit?

Accepted Answer

The total resistance decreases.

Answer

The total resistance increases.

Answer

The total resistance stays the same.

Answer

The total resistance can either increase or decrease.

Question 62

What's the main task of microprocessors in electronic devices?

Accepted Answer

Controlling how the device works

Answer

Storing information

Answer

Providing power to the device

Question 63

What unique property of transistors makes them valuable in electronic circuits?

Accepted Answer

They can switch and amplify signals.

Answer

They block current like resistors.

Answer

They conduct electricity like metals.

Answer

They stop current flow like insulators.

Question 64

How do sensors make electronic devices smarter?

Accepted Answer

Collect information from the environment and send it to the device for processing

Answer

Only work with computers and laptops

Answer

Make devices less efficient

Answer

Are only used for security