9H Task Sheet (L5-7)
Why do we burn fuels?
Coal, oil and gas are fossil fuels.
Coal is mainly made of carbon.
Oil and gas are made of carbon and hydrogen.
We burn these fuels for many reasons.
Task:
Make a poster to explain why we burn fuels.
Describe what happens when we burn fuels.
Explain why these reactions are so useful.
Use pictures and diagrams to help explain
your ideas.
Key words: burn, carbon dioxide, combustion, water
Level ladder:
What is your target level? Use the level ladder to help you reach it:
To get
level
You might have:
5
 Explained why fuels are useful.
 Described what happens when we burn fuels, identifying the reactants and
the products.
 Used a simple particle model to explain some changes.
 Identified some useful energy transfers.
 Identified some elements, compounds or mixtures correctly.
 Described some environmental problems with burning fossil fuels.
6
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Used a particle model to explain the reactions.
Explained, in detail, why fuels are useful.
Described the energy transfers that take place.
Written the word equation for the reactions.
Used some chemical symbols or formulae.
Explained some environmental problems with burning fossil fuels.
7
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Explained, in detail, why fuels are useful.
Linked the Big Ideas of Particles and Energy Transfer in your explanations.
Written balanced symbol equations for each reaction.
Explained if the mass of fuel will stay the same throughout the reaction.
Described elements, compounds and mixtures in terms of particles.
Explained some environmental problems with burning fossil fuels.
Y9 Level-Assessed Tasks  Badger Publishing Ltd