Name: ____________________________________ Date:_____________________ Period: _______
Osmosis & Diffusion Summative: Criterion A
For the diagrams label the following: high concentration, low concentration, and arrows showing how
the molecules would move. The shape
represents the cell membrane, and the shape
is a
molecule that can pass through the cell membrane.
1.
1b.
2. Osmosis is the movement of _______________ across the cell membrane.
3. Name two necessary molecules (that we have discussed in class) that need to pass through the
cell membrane?
a. ________________________
b. ________________________
4. Using scientific vocabulary, explain why a gummy bear’s mass, length, and width would increase
after it soaked in water overnight? Key words: High concentration, low concentration, osmosis,
diffusion.
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