This was a fun little experiment that we tried one day. First we poured baking soda into a shallow pan. Then we filled small cups with vinegar and colored each one with a few drops of food coloring. Using a medicine dropper, we helped D suck up the colored vinegar and drop it onto the baking soda. This caused the baking soda to bubble up and fizz. D liked seeing the reaction after the two chemicals combined.
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