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Make Seeds Swim

What You’ll Need
  • tall, clear drinking glass
  • water
  • heaping teaspoon of baking soda
  • vinegar
  • several seeds (A variety from a birdseed mix or unpopped popcorn kernels work well.)
What to Do
  1. Fill the glass halfway with water.
  2. Stir in the baking soda.
  3. Add two tablespoons of vinegar.
  4. Wait as the mixture fizzes up, then settles down. Add more vinegar if the water does not have the tiny bubbles that give soda pop its “fizzy” look.
  5. Drop in a few seeds.
  6. Watch what happens.
How It Works


Art by Anni Matsick

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