Electromotive Force (EMF) and its sidekick, back EMF, are interesting electromagnetic phenomena that aren't really forces at all. (Java tutorial)

A seventeen-page activity book on magnets. Includes facts, learning activities, puzzles, and profiles of scientists.

Topics covered in this slideshow include the Earth's interior, seismic S- and P-waves, the crust and mantle, phase boundaries encountered by seismic waves, the Earth's internal heat, gravity and density, gravitational anomalies, the...

Leon Foucault, a French physicist much better known for his pendulum demonstrating the rotation of the Earth, also created in 1855 a device that illustrated how eddy currents work. (Java tutorial)

Here is a lengthy listing of activities and resources pertaining to magnets and magnetism. Experiments which can be performed with many different types of magnets are described; detailed directions and photos are provided.

Students complete a series of six short investigations involving magnets to learn more about their properties. Students also discuss engineering uses for magnets and brainstorm examples of magnets in use in their everyday lives.

In this magnetism activity, students investigate why magnets attract certain objects and how the magnets can attract or repel each other by participating in a classroom activity. Students will observe, question, and investigate how the...

A series of pages which define key terms and explain basic concepts related to magnetism. A set of practice problems with answers and solutions are given. Links to related internet resources and a list of animations are provided.

[Free Registration/Login may be required to access all resource tools.] Looks at the properties of magnets and why some materials are magnetic.

Georgia State University provides an indexing page for several other pages at the same site which contain information on electricity and magnetism concepts. Pages linked from this page contain many informative graphics, equations,...

Investigate the idea of the force between straight current-carrying wires in this magnetic force simulation. See if you can rank the wires from largest to smallest based on the magnitude of their currents.

Help students explore Earth's magnetic field with this soda bottle magnetometer activity. Follow links to other space projects for the classroom.

Students are briefly introduced to Maxwell's equations and their significance to phenomena associated with electricity and magnetism. Basic concepts such as current, electricity and field lines are covered and reinforced. Through...

Work samples, phenomena, assessment templates, and videos that directly address standard: MS-PS2-5: electric, magnetic, and gravitational fields.

This site from the Georgia State University contains a good overview of some of the magnetic properties that are common to all materials, such as susceptibility and permeability, and then specific discussion of both diamagnetic and...

This fact sheet from Suzy's World and Suzy Cato explores how magnetism works, including "why a compass points north." Content includes fun facts, an experiment, and the ability to make your own compass.

Find out how the Earth's magnetic field functions.

Walther Meissner discovered while working with Robert Ochsenfeld that superconductors expel relatively weak magnetic fields from their interior and are strongly diamagnetic. This phenomenon, commonly known as the Meissner effect or the...

Edward Mills Purcell was an American physicist who received half of the 1952 Nobel Prize for Physics for his development of a new method of ascertaining the magnetic properties of atomic nuclei. Known as nuclear magnetic resonance...

A reference page to learn about magnetic flux means and how to calculate it. Reference page includes explanation and exercise.

John Ambrose Fleming was an electronics pioneer who invented the oscillation valve, or vacuum tube, a device that would help make radios, televisions, telephones and even early electronic computers possible. A brilliant innovator,...

Discovering how cathode rays behave in a magnetic field was a big step forward for scientists trying to understand the mysterious phenomenon. (Java tutorial)

This site defines magnetic permeability in terms of magnetic fields, and relates magnetic permeability to magnetic susceptibility and relative permeability.

In this activity, the students will complete the grand challenge and design an electromagnet to separate steel from aluminum for the recycler. In order to do this, students compare the induced magnetic field of an electric current with...