For demonstration:

• 2 beakers
• KCl (potassium chloride) salt
• water
• a thin, lightweight piece of wood or 6-8 Popsicle® sticks
• thermometer
• stirring device (such as a Popsicle stick or coffee stirrer)

Each group should have:

• 2-3 Styrofoam® coffee cups
• paper cups
• cloth
• felt
• foam
• thermometer
• one stir rod
• water
• rubber bands
• tape
• paper
• any other materials that may be beneficial for a team's design
• Wait, What Just Happened? Worksheet, one per student
• Your Calorimeter and Your Lab Worksheet, one per student
• Evaluation and Improvement Worksheet, one per student

To share with the entire class:

• scissors
• aluminum foil
• potassium chloride