First we decided to see what happens when to put a bar of soap in the microwave. The water in the soap heats up and turns to vapor and the heated air expands till it looks like this.
It was fun to look for a air in the soap and see what it felt like... and of course, it was fun to throw!!
After that, we talked about reactions and how sometimes two things can come together to make something totally new and different. He made a hypothesis (an idea you can test, of course!) about what would happen when we put colored vinegar into baking soda. He remembered from last time that it would bubble and it sure did!
Of course everything is more fun if you get your hands in it :)
Later on, he wanted to add the soap to his concoction, so we made another guess about what would happen and dove right in.
Hooray for a clean mess!
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