Materials List: Under Pressure

Each group needs:

  • 2-liter plastic soda bottle (ask students to bring from home)
  • (optional) Bottle Template and Rulers; prepare bottle by printing and cutting out this template for drilling bottle holes
  • ruler or tape measure (or make rulers by printing Bottle Template and Rulers on paper or overhead transparency sheets and cutting into strips)
  • 2 strips of duct tape for covering holes
  • drill with ~1/8-in bit (have students mark hole and teacher drill, or drill bottle holes before activity), or a sharp-pointed object to punch 1/8-in holes
  • water from a faucet or large container
  • sink or basin to catch water (unnecessary if working outside)
  • stopwatch (or wall clock with second hand)
  • Pascal's Law Worksheet
  • calculator