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→Key Stage 3
==Key Stage 3==
===Meaning===
[[File:Filtration.png|right|300px|thumb|A picture showing '''filtration'''.]]
[[Filtration]] is the process of [[Separating Mixtures|separating]] a [[mixture]] of a [[liquid]] and an [[insoluble]] [[solid]].
===About Filtering===
: Only [[insoluble]] [[Filesolid]]s can be separated by '''filtering'''.:Filtration.png|right|300px|thumb|A picture showing '''filtrationFiltering''' uses a '''filter'''that has very small holes in it that allow the particles in the liquid through, but not the lumps of solid.]]