Materials List: Fascinating Friction!

Each group needs:

  • 1 wood block (small size)
  • 1 wood board (at least longer than the wood block)
  • 2-3 paper towels
  • 1 square of waxed paper (enough to cover each of the wooden block and board)
  • 2 copies of the Joint Worksheet
  • Pictures of human joints

To share with the entire class:

  • Vegetable cooking oil
  • Cellophane tape
  • Scissors
https://www.teachengineering.org/activities/view/cub_human_lesson03_activity1