[Free Registration/Login may be required to access all resource tools.] Explains what electromotive force, or EMF, is, and how to calculate the EMF of a moving wire in a magnetic field.

Students will build a simple DC motor out of metal coat hangers, a 24-guage wire armature and field magnet, 14-guage wire brushes, and build the motor so that it rotates when connected to a 10-volt DC power supply. Students will...

A good explanation of what the property of magnetism is and how it occurs naturally in lodestone and can be generated in metals such as steel. It describes how a ferromagnetic material such as iron becomes magnetized when near a...

An online activity which illustrates the magnetic property of diamagnetism associated with water. Contains a simple procedure and then a good explanation of the magnetic interactions that were displayed by the grapes.

In this interactive learning module, students learn about the basic properties of magnetism. Practice problems are provided for ongoing assessment.

Students explore electromagnetism and engineering concepts using optimization techniques to design an efficient magnetic launcher. Groups start by algebraically solving the equations of motion for the velocity at the time when a...

This site provides a detailed overview of the TRACE (Transition Region and Coronal Explorer) satellite mission, data received, details about the instrumentation, and how to interpret the data.

A site dedicated to help students prepare for the AP Physics B test. This specific site reviews magnetism including the magnetic field, magnetic field, forces on a moving charge, forces on current-carrying wires, and electromagnetic...

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...

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.

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.

For 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...

[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,...

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...

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...

Help students learn how scientists use powerful tools to visualize, study and control materials at the nanoscale.

Learn about sunspots and solar flares and the effects of solar activity on Earth.

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.

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...