Effect of osmosis and sugar concentration on the mass of plant tissue: practical

12 questions

1. Which part of the plant cell is the selectively-permeable cell membrane?
2. The net movement of water molecules through a selectively-permeable membrane is called …
3. When there are more water molecules on one side of a selectively-permeable membrane than the other, this creates a ___ gradient.
4. The **net** movement of water molecules through the membrane will be …
5. The **net** movement of water molecules through the membrane will be …
6. Which prediction is correct?
7. When potato chips are placed in sugar solution, they gain and lose water from the solution due to the process of ___.
8. When investigating the effect of sugar solution concentration on potato chips, why were the test tubes placed in a water bath?
9. When investigating the effect of sugar solution concentration on potato chips, what is the independent variable?
10. When investigating the effect of sugar solution concentration on potato chips, what is the dependent variable?
11. At which concentration did the potato chip increase in mass?
12. Which concentration caused the potato chips to take in water by osmosis?

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