Demonstrate concentration and density with a transition metal colloid cell

By Declan Fleming2024-02-19T10:06:00

A photo of a test tube of a clear liquid containing with brown-edged blue liquid blobs. The test tube is also submerged in a clear liquid.

Source: © Declan Fleming

Boost 11–14 learners’ understanding of diffusion and transition metal chemistry

Delve into density, diffusion and concentration with your 11–14 learners with this memorable experiment simulating the environment of a cell. This demonstration can also be used in collaboration with your biology department to teach osmosis. Download the technician’s notes to help you set up this classroom demonstration.

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