Materials List: Rocks, Rocks, Rocks:
Test, Identify Properties & Classify

Each group needs:

Each rock testing kit needs:

  • 8 rock samples of the rocks listed on the Alabraska Geology Map: basalt, sandstone, limestone, granite, gneiss, slate, pumice, obsidian (not sand/gravel)
  • steel nail
  • copper penny
  • streak plate, stuch as an unglazed porcelain tile
  • magnet
  • hydrochloric acid; alternatively, use vinegar
  • magnifying glass
  • small piece of glass
  • small steel plate
  • piece of quartz
  • cup of water