Combined Science GCSE
Sedimentary rocks
What Sedimentary rocks means in Combined Science GCSE, as defined for AQA.
Definition of Sedimentary rocks
Check what you remember
Read the wording for your board, then hide it and explain Sedimentary rocks in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Rocks such as limestone that contain carbon as calcium carbonate, CaCO₃, formed when carbonate compounds precipitated or were incorporated into sediments.
Topics that use Sedimentary rocks
- 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
- Coal
- Crude oil and natural gas
Using 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 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