Friday 1 July 2016
Make your own volcano
Wonders: I wonder why some worked and some didn't. One salt worked and the other salt didn't. I tasted them to make sure we labeled them right. The red salt and the sugar one had cracks in egg shell. Therefore the liquid was not as high. The crystals formed at the bottom rather than around the top maybe because the liquid was not so high. They all formed little crystals on the outside. Why are there bits of crystal on the outside? Is it because the liquid leaks out? Are there little holes in the egg so the chick can have air as it is formed? The sugar one formed a ring of crystals on the outside because of the crack and there was liquid sitting under the egg.
Eggshell geode crystals
Wonders: I wonder why some worked and some didn't. One salt worked and the other salt didn't. I tasted them to make sure we labeled them right. The red salt and the sugar one had cracks in egg shell. Therefore the liquid was not as high. The crystals formed at the bottom rather than around the top maybe because the liquid was not so high. They all formed little crystals on the outside. Why are there bits of crystal on the outside? Is it because the liquid leaks out? Are there little holes in the egg so the chick can have air as it is formed? The sugar one formed a ring of crystals on the outside because of the crack and there was liquid sitting under the egg.
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