I gave them each a plate of baking soda, three small jars of colored vinegar and a medicine dropper.
Then I let them be.
Teeny tiny volcanoes, over and over and over. We went through nearly a box of baking soda.
Once they were done making the explosions and the baking soda was used up, they started dropping the colored vinegar on their paper towels and watched the color bleed.
Clayton particularly enjoying pointing the dropper up and "making it erupt like a real volcano."
Once they had finished that, they emptied their plates of completely exploded baking soda onto their paper towels. Thinking it looked a bit like a batter, they decided to do an experiment and "bake" it on our deck. We're still waiting to see how it turns out. Clayton is betting it will be like a cake. Levi is guessing more like cookies. We shall see.
What I really loved about this was the way the boys took it their own direction. While they had fun making teeny tiny volcanoes, they continued on, making new discoveries.
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