Combined Science GCSE
Coal
What Coal means in Combined Science GCSE, as defined for AQA.
Definition of Coal
Check what you remember
Read the wording for your board, then hide it and explain Coal in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Formed from plant material buried in swampy conditions where there was little oxygen, so decay was incomplete, with heat and pressure over geological time raising the carbon content.
Topics that use Coal
- How carbon dioxide decreased (AQA GCSE)
Related terms
- Atmospheric evolution
- Biomass and carbon storage
- Carbon stores
- Causes of carbon dioxide decrease
- Causes of oxygen and nitrogen increase
- Changes in atmospheric composition over geological time
- Crude oil and natural gas
- Hydrocarbons
Using Coal in the exam
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