Combined Science GCSE
Screening
What Screening means in Combined Science GCSE, as defined for AQA.
Definition of Screening
Check what you remember
Read the wording for your board, then hide it and explain Screening in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Passes the water through bars or meshes that trap large solids, protecting pumps, valves and downstream equipment from blockage and damage.
Topics that use Screening
- Waste water treatment (AQA GCSE)
Related terms
- Further treatment
- Grit removal
- Ground water
- Physical separation techniques
- Potable water
- Protecting treatment equipment
- Sedimentation
- Waste water
Using Screening 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.
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