Materials List: Dinosaur Breath

Each student needs:

Each group needs:

  • 3-4 pieces of chalk (NOT dustless chalk)
  • rolling pin and hard surface to crush chalk
  • 1 small sandwich bag in which to crush chalk
  • ΒΌ cup vinegar (either red or white)
  • 2 small beakers, graduated cylinders, or small glass jars
  • (optional) 1 small balloon
  • (optional) 1 tsp. baking soda (see Troubleshooting Tips)

For the entire class to share:

  • a few scales, to measure mass