blue geode


It’s true—chemistry really rocks! Explore the science of rocks and minerals with these demonstrations, activities, and articles. Build your own volcano in a cup, design and eat a soil profile, grow beautiful crystals, and more.  


Youtube ID: KKTXxZSz-9s

  • A Hole in the Ground
    Form an underground cave in a cup. Will your sandy landscape stay stable?
  • Paint with Soil!
    The ground beneath your feet can yield unusual materials for showing your artistic side.
  • Dirt Shirts
    It’s one time you won’t mind getting dirt on your shirt. Explore the use of soil as a natural dye.
  • Magma—All Gassed Up To Go!
    Sometimes the pressure can really get to you… especially if you’re magma. Can it find relief?
  • Incredible Egg Geode
    Don’t wait to find a geode lurking inside a rocky exterior—make your own with alum crystals and eggshells.

Youtube ID: 7cFYPYaD4zQ

Youtube ID: abDJ8LElMSA

(all sites accessed April 2020)