Combined Science GCSE
Composition of the atmosphere
What Composition of the atmosphere means in Combined Science GCSE, as defined for AQA.
Definition of Composition of the atmosphere
Check what you remember
Read the wording for your board, then hide it and explain Composition of the atmosphere in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
The modern atmosphere is a mixture of gases, with nitrogen by far the most abundant.
Topics that use Composition of the atmosphere
Related terms
- Oxygen as the second most abundant atmospheric gas
- Proportions of gases by volume
- Proportions of nitrogen and oxygen
- Trace gases and variability
- Using fractions and percentages to describe mixtures
- Variation and approximate nature of atmospheric data
- Atmospheric composition
- Composition of the atmosphere as a mixture
Using Composition of the atmosphere in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Combined Science questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Combined Science GCSE termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge