1) In which direction do particles move during diffusion? a) High concentration to low concentration b) Low concentration to high concentration c) High concentration to High concentration d) Low concentration to Low concentration 2) How would you describe the movement of particles during the diffusion process? a) Random b) Predictable c) Ordered 3) In which state of matter does diffusion not commonly occur? a) Solid b) Liquid c) Gas 4) What happens to the particles after the can is sprayed? a) Spread Out b) Stick Together c) Remain Stationary 5) In which state of matter does diffusion happen the fastest? a) Liquid b) Gas c) Solid

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