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← 2.2 Movement of Materials in and out of the cell

Why diffusion and osmosis matter

Integrated Science · Grade 8 · about 40 minutes

Root hairs, support, water balance and transport, and why nothing lives without these processes.

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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
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Other lessons in this sub-strand

  1. How materials cross the membrane
  2. What diffusion is
  3. Diffusion in gases
  4. Diffusion in liquids
  5. Writing up a diffusion experiment
  6. What affects the rate of diffusion
  7. Diffusion in living things
  8. What osmosis is
  9. Partially permeable membranes
  10. The potato osmosis experiment
  11. The visking tubing experiment
  12. Osmosis in plant cells
  13. Osmosis in animal cells
  14. Comparing diffusion and osmosis
  15. Why diffusion and osmosis matter
  16. Diffusion and osmosis at home