Tuesday, November 6, 2007

Solids, Liquids and Gases, Oh My!

We started our brief foray into chemistry with the basics: solids, liquids and gases. We read Air is all Around and A Drop of Water. We also read the the section on matter in What Your First Grader Needs to Know.

The girls enjoyed the following experiments:

1. Putting a cup with a paper towel upside down in a bowl of water. It doesn't get wet because there is air inside the cup.
2. Making a gas from a solid and a liquid. Baking soda + Vinegar = Carbon Dioxide We did this in a pop bottle with a balloon on top, so the balloon would blow up with the gas.
3. We made it rain inside by holding a cold spoon over a boiling pot of water.

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