1) Diffusion is ………………process a) Active b) Passive 2) Diffusion can happen in …………and ………… a) Solids and gases b) Liquid and solids c) Gases and liquids 3) Particle move from ……………….concentration to …………… concentration a) Low to low b) High to high c) Low to high d) High to low 4) Temperature ………………. Rate of diffusion a) Increase b) Decrease c) Stay the same 5) As surface area increases rate of diffusion……………. a) Decreases b) Increases c) Stay the same

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