Formation of sedimentary rocks
What Formation of sedimentary rocks means in Chemistry GCSE, as defined for AQA.
Definitions of Formation of sedimentary rocks
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Formation of sedimentary rocks in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Shells and skeletons of marine organisms contain calcium carbonate; when these settle and are compacted, sedimentary rock such as limestone forms and stores carbon.
Carbon dioxide dissolving in oceans formed carbonate sediments, later compacted into sedimentary rock such as limestone.
Topics that use Formation of sedimentary rocks
- How carbon dioxide decreased (AQA GCSE)
Related terms
- Atmospheric carbon dioxide decrease
- Atmospheric evolution
- Carbon cycle and carbon stores
- Evolution of the atmosphere
- Formation of fossil fuels
- Photosynthesis
- Geological timescales and atmospheric change
- Photosynthesis and oxygen accumulation
Using Formation of sedimentary rocks 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 Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge