1. Crayon Rock Cycle - Logistics

Time
45-50 minutes

Grouping
individual

Materials
Each student needs:

  • Copy of the Rock Cycle Diagram
  • 1 wax crayon (Crayola brand crayons works well)
  • 1 plastic knife
  • 6 inch square of aluminum foil
  • Styrofoam or other cup to hold hot water
  • Source of hot water (I use a hot pot style electric water heater - see image)
Hot pot
32 oz Hot Pot Express by RivalA

For the whole class:

  • Samples of sedimentary, metamorphic, and igneous rock, sorted into boxes of the same rock type
  • 3-6 large containers or water pitchers for water that has cooled down in the students’ cups

Setting
classroom