Materials List: How Dense Are You Lab

Each group needs:

  • 150 mL isopropyl alcohol
  • 2 plastic pipettes
  • dishwashing liquid in a dropper bottle
  • 100 mL graduated cylinder
  • 3 plastic sandwich bags, each containing at least 5.5 g. of three different soil samples (gather from different locations so you have a range of sandy, silty and clay-type samples; if necessary, purchase soil at a plant nursery or home improvement center)
  • weigh paper (or small paper cups; see Troubleshooting Tips section)
  • triple-beam balance
  • funnel
  • plastic spoon
  • paper towels
  • water
  • goggles
  • lab apron
  • gloves
  • Lab Worksheet