Each group needs:

• 1 D-cell battery
• 5-7 in (13 - 18 cm) insulated wire (gauge AWG 22) (available at most hardware stores)
• 1 small light bulb holder (#40) (optional; available at most hardware stores)
• 1 small light bulb (#40) (available at most hardware stores)
• small wire strippers or sandpaper (to remove insulation at wire ends)
• tape (scotch, masking or electrical)
• 1 Completing the Circuit Worksheet
• 1 Ohm's Law Math Worksheet

Note: These materials (except the tape and worksheets) can be reused in numerous other electricity activities. When the batteries wear out, dispose of them at a hazardous waste disposal site.