Mr. E. Science
Electric Charges and Current
Resistance is not futile, it is voltage divided by current. The presentation goes in depth covering electric charges, conductors, insulators, electric fields, static charges, and circuits. The lesson is the 12th in a series of 26.
National Geographic
National Geographic: Building Circuits
In this lesson, students build series and parallel circuits and test their conductivity. Includes handouts with diagrams, and a vocabulary list with definitions.
Physics Classroom
The Physics Classroom: Current Electricity: Combination Circuits
Explains what a combination circuit is, reviews the features of series and parallel circuits, and demonstrates how to analyze combination circuits. Includes detailed examples and some problems for students to try. There is also a link to...