The Canada Science and Technology Museum answers some of the most common questions about electricity. For example, get the definition of electricity, the difference between alternating and direct currents, and learn how a fuse works.

Learners investigate current electricity. Some topics examined are voltage law, Ohm?s law, and electric resistance. The resource includes example problems with solutions and a chapter quiz.

This highly informative site contains many resources and articles on electricity. A wealth of information about electricity can be found. This site also contains many FAQ's.

After building a simple electric motor from a kit, with this experiment you can explore how voltage affects motor speed. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction,...

Kids learn about electric current in the science of physics including the flow of electrons, measurement, alternating, and direct current.

Kid's learn more about the science of electricity. How its measured and generated.

Kids learn about electricity glossary and terms in the science of physics. Words and definitions you need to know such as current, voltage, resistance, and more.

Inventor Nikola Tesla is the subject of this extensive PBS site. In addition to information on Tesla's life and work, the site offers insight into the ways in which society and invention affect each other.

This simple device uses a few components to rectify the alternating current (AC) from the shake-a-gen, store it in a capacitor and convert it into a steady direct current (DC). The output can be used to run a low power device. It is also...

This site includes information about Thomas Edison's inventions and his home and family life. Find a lengthy biography and several sounds from Edison's original phonograph.

NASA provides a nice blending of the achievements of three scientists, Oersted, Ampere, and Maxwell. This done by NASA-sponsored International Solar-Terrestrial Physics group. Lots of pictures, diagrams, and scientific explanation. Good...

Discusses the scientific principles (the Peltier effect) and the reliability and operation of thermoelectric modules. Includes a link to several other pages, one of which contains an animation of their operation.

Read a brief biography of George Westinghouse, who invented the air brake, making trains much safer. Find out how he was responsible for some very important concepts in the delivery of electricity.

This site explores the various challenges Edison faced upon attempting to produce electric power. It contains a historical essay, a complete list of Edison's patents, information on the AC and DC currents, recordings produced by the...

This hour long program by NOVA is split into six segments and examines a issues influencing scientists' current understanding of how the universe was formed. This includes The Big Bang and its lasting effects.

Check out this comprehensive list of web resources on thunderstorms and safety. Students and teachers will benefit from the links found on this site.

Kids learn about Ohm's law in the science of electricity and physics including current, resistance, voltage, example problems, and V=IR.

A discussion of various principles related to voltage. The operation of battery testers and voltmeters are explained. The importance of the internal resistance of a power source is discussed.

This site features numerous interactive resources (such as simulations, interactive exercises, experiments, etc.) designed for teachers and students of the physical sciences. Some of the resources are available only on CD-ROM, but most...

A very readable biography of George Westinghouse, Jr., inverntor of the train air brake, among many other things. Find a list of his achievements and a discussion of the development of his inventions.