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Oklahoma Agriculture in the Classroom


Biodegradable Plastic

Each student needs:

  • 1 T cornstarch
  • paper cup or plastic bag
  • 2 drops corn oil
  • 1 t water
  • 2 drops food coloring


  1. Place cornstarch in the paper cup or plastic bag.
  2. Add oil and then water. Stir.
  3. Add food coloring and stir.