Balancing Liquid on a Coin: How Intermolecular Forces Work

Each group needs:

• science notebook for each student
• Intermolecular Forces Lab Worksheet (PDF) for each student
• 2 pennies
• dropper bottle with water
• dropper bottle with isopropyl alcohol
• paper towels
• 4-5 Q-tips
• safety gloves for each student
• stopwatch, smartphone timer or watch timer

The teacher needs:

• projector and whiteboard/blackboard/chart paper for recording student ideas