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Science Quiz - Energy Transfers 01 (Questions)

Energy transfers explain how energy moves between objects and systems. In KS3 Science, pupils explore these processes to understand conservation and efficiency in everyday situations.

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Fascinating Fact:

Light energy from the Sun is transferred into chemical energy by plants during photosynthesis.

In KS3 Science, pupils learn that energy cannot be created or destroyed, only transferred. They explore how energy moves through food chains, machines, and natural systems, and why efficiency matters.

Key Terms

Energy Transfer: The movement of energy from one place or form to another, such as heat moving from a fire to your hands.
Efficiency: A measure of how much useful energy is obtained compared to the energy put in.
Conservation of Energy: The principle that energy cannot be created or destroyed, only changed in form.

Frequently Asked Questions (Click to see answers)

What does energy transfer mean in KS3 Science?

Energy transfer means energy moving from one object or system to another, such as heat moving from hot soup into a cold spoon.

What are examples of energy transfers in everyday life?

Examples include light energy from the Sun becoming chemical energy in plants, or electrical energy powering a lamp to produce light and heat.

Why is efficiency important in energy transfers?

Efficiency is important because it shows how much energy is useful compared to wasted energy, helping to save resources and reduce environmental impact.

Try These Related Quizzes

1.

Which is the MAIN energy transfer taking place when a candle burns?

[ ]	Chemical → light
[ ]	Chemical → sound
[ ]	Light → chemical
[ ]	Thermal → chemical

2.

Which is the MAIN energy transfer taking place when a gas fire burns?

[ ]	Chemical → sound
[ ]	Chemical → thermal
[ ]	Thermal → chemical
[ ]	Thermal → light

3.

Which is the MAIN energy transfer when a light bulb is switched on?

[ ]	Electrical → light
[ ]	Electrical → sound
[ ]	Light → electrical
[ ]	Light → thermal

4.

Which is the MAIN energy transfer when using a microphone?

[ ]	Electrical → sound
[ ]	Electrical → thermal
[ ]	Sound → electrical
[ ]	Sound → thermal

5.

Which is the MAIN energy transfer in a loudspeaker?

[ ]	Electrical → sound
[ ]	Electrical → thermal
[ ]	Sound → electrical
[ ]	Sound → thermal

6.

Which is the MAIN energy transfer when you drop a ball?

[ ]	Kinetic → potential
[ ]	Kinetic → sound
[ ]	Potential → kinetic
[ ]	Potential → thermal

7.

Which is the MAIN energy transfer in a solar cell on a calculator?

[ ]	Electrial → light
[ ]	Light → electrical
[ ]	Light → kinetic
[ ]	Light → thermal

8.

Which is the MAIN energy transfer when a cyclist brakes to stop?

[ ]	Kinetic → elastic
[ ]	Kinetic → potential
[ ]	Kinetic → thermal
[ ]	Thermal → kinetic

9.

Which is the MAIN energy transfer when a ball rolls UP a ramp?

[ ]	Kinetic → potential
[ ]	Kinetic → thermal
[ ]	Potential → kinetic
[ ]	Potential → sound

10.

Which is the MAIN energy transfer when a wind-up clockwork toy is released?

[ ]	Elastic → kinetic
[ ]	Elastic → potential
[ ]	Kinetic → elastic
[ ]	Kinetic → sound

You can find more about this topic by visiting BBC Bitesize - Energy

Science Quiz - Energy Transfers 01 (Answers)

1.

Which is the MAIN energy transfer taking place when a candle burns?

[x]	Chemical → light
[ ]	Chemical → sound
[ ]	Light → chemical
[ ]	Thermal → chemical

Thermal (heat) energy is also produced

2.

Which is the MAIN energy transfer taking place when a gas fire burns?

[ ]	Chemical → sound
[x]	Chemical → thermal
[ ]	Thermal → chemical
[ ]	Thermal → light

The energy stored in gas is chemical, light is also produced but is not the main product

3.

Which is the MAIN energy transfer when a light bulb is switched on?

[x]	Electrical → light
[ ]	Electrical → sound
[ ]	Light → electrical
[ ]	Light → thermal

Heat energy is also produced but that is wasted

4.

Which is the MAIN energy transfer when using a microphone?

[ ]	Electrical → sound
[ ]	Electrical → thermal
[x]	Sound → electrical
[ ]	Sound → thermal

A microphone converts sound into an electrical signal. This can then be saved to a computer file or amplified and sent through a loudspeaker system so that it can be heard further away

5.

Which is the MAIN energy transfer in a loudspeaker?

[x]	Electrical → sound
[ ]	Electrical → thermal
[ ]	Sound → electrical
[ ]	Sound → thermal

The electrical signals vibrate a cone in the loudspeaker to produce sound waves

6.

Which is the MAIN energy transfer when you drop a ball?

[ ]	Kinetic → potential
[ ]	Kinetic → sound
[x]	Potential → kinetic
[ ]	Potential → thermal

The ball has potential (stored) energy due to gravity

7.

Which is the MAIN energy transfer in a solar cell on a calculator?

[ ]	Electrial → light
[x]	Light → electrical
[ ]	Light → kinetic
[ ]	Light → thermal

Solar cells can be used on a much larger scale to generate electricity

8.

Which is the MAIN energy transfer when a cyclist brakes to stop?

[ ]	Kinetic → elastic
[ ]	Kinetic → potential
[x]	Kinetic → thermal
[ ]	Thermal → kinetic

The thermal (heat) energy is produced by friction

9.

Which is the MAIN energy transfer when a ball rolls UP a ramp?

[x]	Kinetic → potential
[ ]	Kinetic → thermal
[ ]	Potential → kinetic
[ ]	Potential → sound

As the ball rolls upwards, it gains potential energy but the movement gradually slows down as the kinetic energy is transferred

10.

Which is the MAIN energy transfer when a wind-up clockwork toy is released?

[x]	Elastic → kinetic
[ ]	Elastic → potential
[ ]	Kinetic → elastic
[ ]	Kinetic → sound

The spring unwinds because of the stored elastic potential energy it contains. As the spring does this, its movement can be used to make the toy do things