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Swimming RaisinsFeatured science projectScience project video


  • 1 large glass jar (an empty peanut butter jar will do)
  • ½ a cup of vinegar
  • 2 tablespoons of baking soda
  • A handfull of raisins
  • Tap water


  1. Fill one quarter of the jar with vinegar and top up with tap water.
  2. Stir the solution with a spoon
  3. Add the baking soda and stir
  4. Wait for a few minutes until bubbles start to form. If the bubbles don’t form, try adding more vinegar.
  5. Drop in a few raisins, one at a time, and observe. 
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Complexity level:
Project cost ($):
Time required:
15 minutes
Material availability:
Easily found
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