Materials List: We Have Liftoff

Each group needs:

  • clay-based, clumping cat litter
  • granulated sugar
  • potassium nitrate, such as found in Spectracide Stump Remover available at Lowe's
  • wooden dowel, 3/8 in x 9 in (0.95 cm x 22.86 cm)
  • strip of Kraft project paper, 2.5 in x 10 in (6.4 cm x 25.4 cm)
  • fuse, ~12 cm long ("igniters" for model rockets)
  • two 1-cm pieces of a plastic straw
  • mortar and pestle (and materials to clean it between uses)
  • closed 80- to 100-ml plastic or glass container
  • disposable gloves, for students handling the sugar and potassium nitrate
  • safety glasses, one pair per student
  • We Have Liftoff Worksheet, one per student

To share with the entire class:

  • balance(s)
  • white glue
  • scissors
  • rulers
  • drill bit (1/8-in or 0.3175-cm diameter) or nail
  • ring stand
  • skewer or ΒΌ inch (0.635 cm) dowel with a spike at one end
  • water
  • (optional) thick gloves and tongs