Osmosis is the net movement of water molecules across a partially permeable membrane from a region of high concentration to a region of low concentration.
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What is a partially permiable membrane?
Is a membrane with tiny holes in it so only small molecules are able to fit through.
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What is the independant variable?
The thing you change.
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What is the dependant variable?
The thing you measure.
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What is the controlled variable?
The thing you keep the same.
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What are the names of the 3 types of movements of substances?
Diffusion, Osmosis and Active Transport.
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How are surfaces adapted to maximise effectiveness?
-Thin surface, so that there is a short diffusion path
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Other cards in this set
Card 2
Front
What is a partially permiable membrane?
Back
Is a membrane with tiny holes in it so only small molecules are able to fit through.
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