Find a review of many aspects of the physical world. Simple explanations of electricity, gravity, and the solar system. Included are materials for teachers to use for enrichment.

[Free Registration/Login may be required to access all resource tools.] Provides the definition of an electromagnetic wave, electromagnetic radiation, and electric and magnetic fields. Also discusses how electromagnetic waves begin,...

In this full-color image, a neuron is expressing the light-gated cation channel channelrhodopsin-2 (small green shapes), and is being illuminated by a focused beam of blue light (coming from the top).

Explore what an electric field is and how electric fields interact with this module. Module includes a video, interactive activity, and review questions.

A comprehensive summary of Gauss work, primarily mathematical. An incredible number of hotwords, along with many links to other scientist and mathematicians.

Read about all the different kinds of potential and kinetic energy. Includes energy formulas and examples of energy applications.

A set of four online courses in Physics for elementary and middle school teachers. Each course targets a different topic area - light, electricity & magnetism, temperature & heat, and force, motion, & energy.

Using magnets design and build a structure that builds itself from pieces. This site contains the challenge, tips, a lesson plan, and a place for students to document their engineering design process.

Learn the convention for describing the direction of magnetic fields. Challenge questions are included.

The Applied Science resource consists of practical activities that demonstrate the importance of standard procedures in scientific work. Students examine electrical properties through a variety of activities. Some topics investigated are...

A solid telling of Oersted's scientific achievements, along with some interesting insight into Oersted's personal beliefs. Many links.

This ScienceWorld site describes the Scottish mathematician and physicist James Maxwell (1831-1879) who published physical and mathematical theories of the electromagnetic field.

This page contains a set of demonstrations using neodymium supermagnets.

Explains what electromagnetic energy is, the history of its discovery, some terms used when talking about it, and gives some facts about it.

Compares paramagnetism to diamagnetism and lists the elements that are diamagnetic and paramagnetic.

[Free Registration/Login may be required to access all resource tools.] Covers the discovery of electromagnetism, how it relates to electricity, and Faraday's law.

This interactive lab in electromagnetics effectively illustrates how Faraday's law works.

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...

An electromagnetic induction model that simulates an electric generator made from a conducting loop rotating in a uniform magnetic field and connected to an ammeter.

College-level electrical engineering and computer science textbook highlighting the applications of continuum electromechanics.

This simulation demonstrates a rotating conducting disk in a magnetic field which produces a current or a self-exciting dynamo.

This article helps explain the concept of electromagnetism as well as magnetic fields and the properties of the speed of light.

This animation library is a great resource for a diverse list of earth science topics including: tsunamis, land subsidence, magnetic fields, volcanoes earthquakes, floods, and sea level changes.

Discover what neutron stars and pulsars are and view pictures of them. Includes links to additional resources and lesson plans.