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      Burning plants as fuel (non-statutory Climate Change & Sustainability)

      Lesson details

      Learning outcome

      I can investigate which plants might be used as alternative fuels to fossil fuels.

      Key learning points

      1. A fuel is something that can be used to produce heat or light.
      2. Fossil fuels are found deep under Earth's surface and there is a limited amount left.
      3. Plants are a sustainable source of fuel as we can keep growing more.
      4. Like fossil fuels, biofuels release carbon dioxide on burning.
      5. Scientists and engineers investigate which plants are the best ones to grow for biofuels.

      Keywords

      • Burn - To burn is to be on fire.

      • Fossil fuels - Fossil fuels are fuels made over millions of years from fossilised plants and animals buried deep beneath Earth's surface.

      • Carbon dioxide - Carbon dioxide is a type of gas found in Earth's atmosphere.

      • Sustainable - Sustainable means using things in a way that doesn't use them up or harm the environment, so they can be used again in the future.

      • Biofuel - Biofuels are fuels made from plant materials.

      Common misconception

      There is an endless supply of fossil fuels on Earth. There are no downsides to biofuels.

      Teaching slides will explain that fossil fuel is a finite resource and will introduce the pros and cons of electric cars. Children will have a chance to discuss this in task B.

      Teacher tip

      Encourage children to consider the advantages and disadvantages of biofuels and that research continues in this field.

      Equipment

      A tray of sand, a safety lighter or matches, a selection of plant material to burn and a stopwatch.

      Content guidance

      Risk assessment required - equipment

      Supervision

      Adult supervision required

      Licence

      This content is © Oak National Academy Limited (2026), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      When a substance burns it often produces a .

      liquid
      flower
      Correct answer: flame

      Q2.
      How can you reverse the process of freezing a material?

      Correct answer: by warming it up
      by cooling it down
      by burning it
      by dissolving it

      Q3.
      Which of these is not in the fire triangle?

      high temperature
      oxygen
      Correct answer: carbon dioxide
      fuel

      Q4.
      Match the process to whether it is reversible or irreversible.

      Correct Answer:burning,irreversible
      Correct Answer:dissolving,reversible

      Q5.
      What happens when something burns?

      the original products remain at the end
      Correct answer: new products are formed
      some new products are formed but the original product still exists

      Q6.
      Match the product formed by each of these processes:

      Correct Answer:boiling water,steam
      Correct Answer:burning,smoke

      6 Questions

      Q1.
      Which type of professional would investigate which plants are the best ones to grow for 'biofuels'?

      zookeepers
      Correct answer: engineers
      gardeners
      Correct answer: scientists

      Q2.
      Which of these do fuels produce?

      Correct answer: heat
      sound
      Correct answer: light

      Q3.
      Scientists research alternative types of fuel because there is a limited amount of fuel left.

      Correct Answer: fossil

      Q4.
      Where are fossil fuels found?

      in space
      in the atmosphere
      Correct answer: under the ground
      on top of the ground

      Q5.
      Plants are a source of fuel as we can keep growing more.

      Correct Answer: sustainable

      Q6.
      What do biofuels release on burning?

      nothing
      oxygen
      Correct answer: carbon dioxide

      To help you plan your 5 science lesson on: Burning plants as fuel (non-statutory Climate Change & Sustainability), download all teaching resources for free and adapt to suit your pupils' needs...