Combined Science GCSE
filter beds
What filter beds means in Combined Science GCSE, as defined for AQA.
Definition of filter beds
Check what you remember
Read the wording for your board, then hide it and explain filter beds in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Layers of sand and gravel, sometimes with other materials, through which water is passed to trap solid particles suspended in the water.
Topics that use filter beds
- Potable water (AQA GCSE)
Related terms
Using filter beds in the exam
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