Each group (two students) needs:

• a paper cup
• a thermometer
• Insulator Design Challenge Worksheet, one per student
• a way of keeping track of time (Chromebook, stopwatch etc.)

For the entire class to share:

• aluminum foil
• cardboard
• plastic wrap
• cotton balls
• masking or duct tape
• ice cubes and/or cold water (teacher choice)
• room-temperature water
• gram scale or granulated cylinder

The teacher needs:

• Insulator Design Challenge Presentation
• a computer
• a projector
• a whiteboard/blackboard
• access to refrigerator/freezer for ice cubes and cold water