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» The Carbon Cycle
The Carbon Cycle
Answer the following questions.
(Use lower case only.)
Pick the correct gas from the list below to answer questions a - h.
Oxygen Nitrogen Argon Carbon Dioxide
Which gas in the air is needed for wood to burn?
When wood burns, water vapour is made - and what else?
Complete the word equation for burning using b) and a).
Which gas in the air do we need to breathe in to stay alive?
Which gas produced by respiration do we breathe out?
Complete the word equation for respiration using d) and e).
Which gas is needed, along with water, for photosynthesis?
Which gas is produced, along with glucose, by photosynthesis?
Fill in the gaps in the following paragraph on the Carbon Cycle with the correct words?
Plants make glucose from
and water. This process is called
the amount of carbon dioxide in the air, and produces
Animals, plants and bacteria produce energy from oxygen by the process of
This process releases
into the air. When wood and other fuels are
oxygen from the air is used up, and water vapour and
are produced. Carbon dioxide is also produced by
and fungi, when they break down materials in
animals and plants, or in animal and plant waste. This process is called decay or
Which of the following respire? Answer yes or no
A piece of coal