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7 terms

7th grade science - Osmosis and Diffusion

STUDY
PLAY
concentration
the density of particles in an area
equilibrium
an equal distribution of particles
diffusion
the movement of particles from an area of high concentration to an area of low concentration.
- this continues until equilibrium is reached
osmosis
the diffusion of water through a cell membrane
selectively permeable
some particles can get in, but others cannot.
high concentration
area of high density of particles
low concentration
area of low density of particles