Diffusion

A quiz on diffusion

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  • Created by: Gb
  • Created on: 17-03-13 15:11
What is diffusion?
Net movement of particles from high to low concentration along a concentration gradient (in solution)
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What allows the diffusion to take place?
Random movement of particles
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What is the equation for net movement?
particles moving in - particles moving out
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The greater the difference in concentration the ... the rate of diffusion
faster
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What is the concentration gradient?
the difference in concentration between two areas
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Does temperature increase the rate of diffusion?
Yes
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What gases diffuse in our bodies?
Oxygen and carbon dioxide
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How are many cells adapted to increase the rate of diffusion?
Thin cell walls, large surface area and a good blood supply
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Other cards in this set

Card 2

Front

What allows the diffusion to take place?

Back

Random movement of particles

Card 3

Front

What is the equation for net movement?

Back

Preview of the front of card 3

Card 4

Front

The greater the difference in concentration the ... the rate of diffusion

Back

Preview of the front of card 4

Card 5

Front

What is the concentration gradient?

Back

Preview of the front of card 5
View more cards

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