Filtration

Key Stage 2

Meaning

Filtering is when you separate liquid from insoluble solids.

Noun: Filtration

Verb: To filter

Present Participle: Filtering

Adjective: Filtered

About Filtering

Filtering cannot separate anything dissolved in a liquid.

When you filter the solid will get stuck in the filter paper and the liquid will pass through.

Examples

You can separate mud from water in the puddle with filter paper and a funnel.

Key Stage 3

Meaning

A picture showing filtration.

Filtration is the process of separating a mixture of a liquid and an insoluble solid.

About Filtering

Only insoluble solids can be separated by filtering.

Filtering uses a filter that has very small holes in it that allow the particles in the liquid through, but not the lumps of solid.