High schoolers study the concept of electricity, what an electric current is and its relationship between voltage and resistance.In this electrical instructional activity students solve problems using Ohm's law, and research alternative...

Compare the drift speed of conduction electrons in a current-carrying wire to the signal speed of changes in current. They also distinguish between DC and AC and describe how AC is converted to DC.

Eighth graders examine the various methods of generating electricity and explain their commonalities. They determine what is the most common source of energy and what are the potential environmental health hazards due to electrical...

Students, working in expert groups, study a form of energy. They plan a slide show presentation using pictures, clip art, and student taken digital pictures that show the energy type they have become experts in. They use a planning sheet...