Each group needs:

• 2 empty aluminum soda cans
• 1 8-inch wooden dowel
• 6 inches of thread
• masking tape
• 2 square feet of aluminum foil
• 2 pieces of copper wire, about 36 inches each (alligator clips also work)
• 1 small jingle bell (available at craft and fabric stores)
• Lightning Detector Testing and Analysis Worksheet, one per person

For the entire class to share:

• 1 metal chair or desk (to ground the model lightning detector)
• 1 television set (any size; must turn on; does not need to actually have a signal or be clear)
• (optional) extra bells, cans, foil, thread or other items for students to improve on their designs