Materials List: Bulbs & Batteries in a Row

Each group needs:

  • 2 D-cell batteries
  • 2 wide rubber bands
  • 3 #40 light bulbs (available at most hardware stores)
  • 3 light bulb holders (available most hardware stores)
  • 46 in (50.2 cm) insulated wire (gauge AWG 22) (available at hardware stores)
  • 1 basic switch (available at most hardware or electronics stores)
  • 4 Series Circuit Building Worksheets
  • 4 In a Row Math Worksheets

For the entire class to share:

  • wire strippers or sandpaper (to remove insulation at wire ends)
  • wire cutters
  • small standard screwdriver
  • masking tape

Note: Most of the materials required for this lab can be reused in numerous other electricity activities. When the batteries wear out, dispose of them at a hazardous waste disposal site.