cells

Potato Water

This experiment is a variation of several that we have tried in the past. It deals with something called osmosis. To find out more about this important part of the process of life, you will need:

936

Onion cells
These are onion cells, photographed through my microscope at 40X. Why do onions make your eyes water when you cut them?

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leaves in snow
The mustard plants in my garden are still green, in spite of sub zero temperatures and snow. How do they survive when most of the other plants have not?

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