Materials: Tall water glass, stalks of celery, water, salt, sugar
Procedure:
- Fill the glass with water and add 2 tbs of sugar
- Mix well
- Cut the end off a stalk of celery under running water. Leave the leafy end, leafy
- Place the cut end of the celery into the glass
- Leave for several hours or overnight
- Taste
- What do you notice?
Extensions for Big Kids:
- Set up three glasses with different amounts of sugar or salt. Make sure you record how much sugar is in each glass. Is there a difference in the results? How could you measure that difference?
- What's happening? Research osmosis and write an explanation of this exploration.
- Does this work with carrots? Cucumbers? Lettuce? Explore this process withn different plants.
The Science Mommy would love to hear about what you learn!
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