← 2.2 Movement of Materials in and out of the cell
The potato osmosis experiment
Integrated Science · Grade 8 · about 40 minutes
A hollowed potato, a sugar solution and a boiled control that proves the cells must be alive.
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- 7 sections of explanation, worked examples and diagrams
- 1 practice task with hints and worked answers
- A quiz that marks itself as you go
- Your progress kept across every subject you take
Other lessons in this sub-strand
- How materials cross the membrane
- What diffusion is
- Diffusion in gases
- Diffusion in liquids
- Writing up a diffusion experiment
- What affects the rate of diffusion
- Diffusion in living things
- What osmosis is
- Partially permeable membranes
- The potato osmosis experiment
- The visking tubing experiment
- Osmosis in plant cells
- Osmosis in animal cells
- Comparing diffusion and osmosis
- Why diffusion and osmosis matter
- Diffusion and osmosis at home