The document discusses current electricity and circuits. It defines current electricity as the flow of electrons through a conductor. It explains that circuits must be complete loops for current to flow, and that they require a power source, conductors, and a load. Conductors allow the free flow of electricity while insulators do not. Switches are used to open and close circuits to control devices. Links are provided for interactive activities about circuits.

1. Current Electricity Veronica August University of Phoenix CMP 555: Designing and Producing Educational Technology Instructor: Janet Luch June 20, 2008

3. Introduction to Current Electricity (Discovery Education, 2008)

5. Current Electricity is All Around Us (Discovery Education, 2008)

11. Current Electricty (Discovery Education, 2008)