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SCIPAD - BIG IDEAS - BOOK 2
FUELS AND CLIMATE CHANGE
End of Chapter Review Questions
1. Describe why carbon is considered an essential element for life on Earth.
2. Describe the atomic structure of a carbon atom.
3. Briefly outline how carbon atoms cycle between the atmosphere, plants and animals.
4. Petrol is the name of the fuel used to power most of the cars in New Zealand.
(a) Define the term ‘fuel’:
(b) Explain the difference between renewable fuels and non-renewable fuels. List
some examples of both types of fuels in your answer.
5. Combustion is a term used to describe the reaction that occurs when a fuel burns in
oxygen.
(a) Name the two types of combustion.
(b) Describe the key differences between these two type of combustion. You should
include two word equations in your answer.
6. The diagram below shows an experiment set up to test for the products of combustion.
A P P R O X I M A T E V O L U M E S
Lime water
Ice and water
Tea-light candle
Direction of gas flow to pump
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