Make Your Own Diving Fish

Diving Fish (2)

This quick STEM project was intended as an extension of recent coral reef play for Travis, but it turned out that little sister Veronika loved it even more! There’s nothing like a good reaction of baking soda and vinegar to bring smiles in the morning.

Fill a tall clear container with 2 cups water. Make sure there is still room at the top of the container to add more liquid (e.g. a flower vase might work better than a drinking glass, unless you have very tall ones).

Diving Fish (1)

Add 1 tablespoon baking soda to the glass and then pour in 1/2 cup vinegar.

Working quickly, start adding “fish”. These can be just about anything light and small from the kitchen. We used raisins, but dried beans or rice would work, too!

“They’re swimming!” Veronika exclaimed with delight. We added the vinegar in increments, so each time our little fish would be set swimming anew.

The magical work of producing carbon dioxide!

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