Materials List: Bend That Bar

Each group needs:

  • Bend That Bar Worksheets, one per person
  • (optional) spring scale (or groups take turns if fewer are available)
  • 1 bar 15"-18" (38-46 cm) in length and 1/8"-1/4" (3-6 mm) in diameter of each of the following: steel, aluminum and wood, and if possible, plastic, brass and copper; the metal rods and wooden dowel can be found at most hardware and hobby stores
  • 1 Sharpie┬« or marker/pen to write on the bars
  • yard/meter stick
  • (optional) calculator
  • bathroom or top-loading scale to weigh individual bars
https://www.teachengineering.org/activities/view/cub_airplanes_lesson03_activity1