Diffusion and Osmosis
7th grade diffusion and osmosis terms
The movement of molecules from an area of greater concentration to an area of lower concentration.
The movement of water across a semi-permeadble membrane through diffusion.
The movement of molecules from an area of lower concentration to an area of higher concentration (requiring energy).
A cell is always trying to reach...
Selectively Permeable Membrane
A membrane that allows certain molecules to pass through it by diffusion
The intake of matreials through membrane sacs.
The export of materials using membrane sacs.
The movement of particles from an area of high concentration to an area of low concentration; does not require energy
The condition of a system in which competing influences are balanced; all particles become equal
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