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