Diffusion and Osmosis

Diffusion and Osmosis

Diffusion is the movement of molecules from an area where there is a higher concentration (larger amount) of the substance to an area where there is a lower concentration (lower amount) of the substance.

CK-12 (Middle School)

ESSENTIAL QUESTION:

How does diffusion connect the cell's internal and external environments?
STANDARDS:
RST.2 - Main Ideas, RST.6 - Author's Purpose

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2,3
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