Kids Science Activities
Dancing Raisins
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| Materials Required |
- A transparent glass jar.
- Carbonated water(soda).
- Raisins(dried grapes)
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How to do it
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- Pour the carbonated water or soda into the glass jar.
- Drop few raisins(dried grapes) into the glass jar.
- Ask the kids to observe what happens. The raising start dancing.
- This is because, bubbles of carbon dioxide gas in the liquid are much less dense than the liquid or the raisins.
- Raisins are denser than the liquid and the carbondioxide, so they will sink.
- Carbondioxide bubbles gets attached to the wrinkles on the raisins.
- When the raisins are attached with the bubbles they become less denser than the liquid, so they start to rise to the top again.
- The carbondioxide gas bubbles starts bursting and then the raisins become denser than the drink, so they sink again.
- This looks like the raisins are dancing in the liquid.
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What is learnt
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- The property of density of the substance.
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| Comments on this article |
| alexis, | Friday, May 07, 2010 |
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| i luv this project |
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