Our most recent science unit focused on matter. We learned about the states of matter: solid, liquid, and gas. This experiment focuses on density, which is a hard concept for young students to understand. We talked about it as the amount of atoms that are packed into a given volume. The more atoms packed in, the more dense.
To experiment with this concept we attempted a rainbow in a jar. We layered liquids based on their density. This is a tricky experiment because the least dense layer, rubbing alcohol, is very touchy!
We tried our best! The students also brought home the directions, and this would be a fun experiment to try at home!
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