Georgia State University
Georgia State University: Hyper Physics: Resistor Combinations
At this site from Georgia State University parallel and series connections of resistors are explained and illustrated. Equations for computing the overal voltage, current, and resistance of such circuits are given and explained.
Utah State Office of Education
Utah Science: The Mysterious Force
There is a secret mysterious force in your home right this very moment! Try these activities to first identify that force and then extend your knowledge of the force by investigating the other activities provided.
ClassFlow
Class Flow: Turning on the Lights
[Free Registration/Login Required] In this lesson students learn the parts of a circuit, build series and parallel circuits, learn about insulators and conductors, and more in this interactive multimedia flipchart.