This is a sample lesson on electromagnetism. It includes animated diagrams, interactive exercises, an audio option for reading the text, and comprehension questions throughout where students can type their answers or pick from...

Explore the origin of energy bands in crystals of atoms. The structure of these bands determines how materials conduct electricity. Java required.

Read about the amazing development of plant-powered lamps that are bringing electricity to a village in remote Peru. Includes video.

Students are given a history of electricity and its development into the modern age lifeline upon which we so depend. The methods of power generation are introduced, and further discussion of each technology's pros and cons follows.

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...

In this lesson, students learn how to identify and explain an electromagnet, describe the relationship between electricity and magnetism, and compare an electromagnet to a bar magnet.

Contains brief biographical information on Michael Faraday, as well as the text of the following lectures delivered by Faraday: The Force of Gravitation, Gravitation-Cohesion, Cohesion-Chemical Affinity, Chemical Affinity-Heat,...

What a lovely little applet! You can speed/slow it, change it from AC to DC, plot the voltage as it rotates, change direction, control other information. Real neat.

Students learn more about magnetism, and how magnetism and electricity are related in electromagnets. They learn the fundamentals about how simple electric motors and electromagnets work. Students also learn about hybrid...

Easy-to-read information and an illustration of an "electromagnet," a type of magnet in which the magnetic field is induced by the flow of an electric current.

The magneto helped fire up the first generation of automobiles.

"A magnet exerts a force on current-carrying wire." This simple device shows how magnets affect wires with current in them, the basis of the electric motor. If you see, feel and understand this, the electric motor becomes very clear.

A collection of interactive activities and games to explore how electric fields and magnetic fields move electrons and charged particles in directions that can be planned. Understand that knowing how to control the movement of electrons...

Investigate a the forces exerted on a charged particle by electric and magnetic fields. Initially, find out how the charge behaves in an electric field. Then, see how the charge behaves in a magnetic field. Finally, initiate both fields...

Found in more homes than any other appliance, the kettle has steadily evolved from an ancient tool to an important modern convenience.

The first hydroelectric power plant, known as the Vulcan Street Plant, was powered by the Fox River in Appleton, Wisconsin.

What's behind the cool purple sparks? Neat science about resonance and transformers. Slideshow: [6:00]

Teacher directed activity shows students how flowing electrical current produces a magnetic field by building a simple motor.

Spanish-language site lets students discover the life and work of this physicist and engineer, who is known for his studies of electric charges.

Determine the mass and speed of a particle being fired through variable magnetic and electric fields. This problem is done after students determine the charge of an electron using the Millikan Oil Drop Experiment.

Research resources for James Maxwell (1831-1879), who did revolutionary work on electricity and magnetism and on the kinetic theory of gases.

Keith Richards and Eric Clapton owe their fame and fortune (in part) to electromagnetic induction. (Java tutorial)

In 1906, American physicist Lee De Forest invented the Audion (or triode), building on John Fleming's discovery of the diode just a few years before.

Use this interactive, simple transformer to make a complete circuit via induction using two separate coils with iron cores inside.