MATERIALS/ SOURCES (NL) • Activities Beginning a Circuit (NL) A Series Circuit A Parallel Circuit (NL) Circuit Challenge 1 (NL) Comparing Currents (NL) Current in a Parallel Circuit (NL) The Resistance of One Bulb (NL) The Resistance of a Series Circuit (NL) Circuit Challenge 2 The Resistance of a Parallel Circuit (NL) Circuit Challenge 3 (NL) Circuit Challenge 4 (NL) Power to You! (NL) Combining Circuits (NL) Name That Circuit (NL) Circuit Challenge 5 The Wheatstone Bridge (NL) Wiring a Buzzer (NL) Staircase Switch (NL)