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A1.5 - Diffusion, Osmosis and Active Transport

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  • ✓Describe the process of diffusion.
  • ✓Carry out experiments that demonstrate diffusion.
  • ✓Describe the process of osmosis.
  • ✓Explain that the cell membrane is partially permeable.
  • ✓Carry out simple investigations to show the movement of molecules and ions.
⏱ 0 mins🎯 37 marks
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Scenario: You sprinkle perfume in a classroom and everyone smells it… even at the back. You soak saltfish in water and it becomes less salty. And a plant in salty coastal soil may wilt. All of these are about movement of particles, sometimes with energy, sometimes without.
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Scenario: You sprinkle perfume in a classroom and everyone smells it… even at the back. You soak saltfish in water and it becomes less salty. And a plant in salty coastal soil may wilt. All of these are about movement of particles, sometimes with energy, sometimes without.
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