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WorksheetYear 3Level 2 · Standard

Free Year 3 How Heat Is Produced: Friction, Burning and Electricity Worksheet

Students explore the different ways heat can be produced — sunlight, burning fuels, rubbing surfaces together (friction), electricity flowing through appliances and the bodies of living things — and identify the heat source in everyday situations.

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Year
Year 3
Subject
Science
Topic
Energy, Light, Sound & Electricity
Difficulty
Level 2 · Standard
Estimated time
30 minutes
Curriculum
Australian Curriculum
Questions
14
Answers
Included, with working
Format
PDF (A4), print or complete online

Students will practise

  • identifying ways heat is produced
  • explaining friction as a source of heat
  • classifying heat sources in everyday situations
  • describing safe behaviour around heat

Curriculum: Australian Curriculum. We show specific outcome codes only where they have been verified against the official curriculum document.

What's next?

Completed: How Heat Is Produced: Friction, Burning and Electricity

Ready for more? Move on to Year 4 Science.

How to use this worksheet

  1. Print the PDF or complete it on screen. Write the student's name and date at the top.
  2. Read the instructions for each part together before starting. Encourage working to be shown.
  3. Mark with the answer sheet. Use the model answers and success criteria as a guide rather than a single right answer.
  4. Record the score, celebrate what went well, then follow the "What's next" suggestion.

Common questions

Who is this worksheet for?

Year 3 students (typically ages 8–9) working on energy, light, sound & electricity. It is pitched at level 2 · standard.

Are the answers included?

Yes. The PDF includes a full answer sheet with model answers and success criteria where there is more than one good answer. You can also view the answers online.

How long does it take?

About 30 minutes for 14 questions. Short, regular sessions work best: two or three a week beats one long one.

Do I need to sign up to download?

No. Click Download Free PDF and it opens immediately. It is free for personal, classroom and homeschool use.

What should we do next?

Explore more Year 3 science resources.

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Success TutoringWorksheetsYear 3 · Science · Energy, Light, Sound & Electricity

How Heat Is Produced: Friction, Burning and Electricity

Name

Date

Score /

For each example, ask: is the heat from the Sun, burning, friction, electricity or a living thing?

Part A: Where does heat come from?

Read the passage. Then circle the best answer.

Heat is a form of energy. It can be produced in many ways.

The Sun gives off huge amounts of heat that warm the land, air and water. Burning fuels such as wood, gas and candle wax produces heat and light.

Friction produces heat. When two surfaces rub together, they warm up — try rubbing your hands. Electricity produces heat when it flows through wires in toasters, kettles, irons and heaters.

Living things produce heat too. Your body makes heat from the food you eat, which keeps you warm. A compost heap gets warm as tiny living things break down the plant waste.

Heat can be dangerous. Always ask an adult before using anything that gets hot.

1.You rub your hands together quickly on a cold day. Why do they get warm?
  1. AElectricity is made.
  2. BFriction produces heat.
  3. CCold air is pushed away.
  4. DYour hands burn fuel.
2.A toaster gets hot because…
  1. Asunlight shines on it
  2. Belectricity flows through its wires
  3. Cit is rubbed
  4. Dit burns wood
3.Which is the biggest source of heat for the Earth?
  1. Athe Moon
  2. Belectric heaters
  3. Cthe Sun
  4. Dcampfires
4.A candle gives off heat when…
  1. Ait is put in the fridge
  2. Bits wax and wick burn
  3. Cit is rubbed on paper
  4. Dit is plugged in
5.Why does a bike's brake pad get warm after a long ride downhill?
  1. AFriction between the pad and the wheel produces heat.
  2. BThe Sun shines on it.
  3. CElectricity flows through it.
  4. DThe air is warm.

Part B: Heat sources

6.Match each example to how its heat is produced.
  • a campfire
  • an electric kettle
  • sliding down a rope fast
  • warm sand at the beach
  • friction
  • the Sun
  • burning
  • electricity
7.Heat produced when two surfaces rub together comes from (answer space).
8.Your body makes heat from the (answer space) you eat.
9.Give one way heat is useful and one way it can be dangerous. (answer space)

Part C: True or false?

Write True or False.

10.Friction can produce heat. ☐ True   ☐ False
11.Only fire can produce heat. ☐ True   ☐ False
12.A warm coat produces heat. ☐ True   ☐ False
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Preview — the PDF contains the full resource and answer sheet.

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About this resource

Created by
Success Tutoring Science Team
Last reviewed
1 October 2026
How it was made
Written by our team

Free to print and share for personal, classroom and homeschool use. Please don't resell. Spotted an error? Let us know.