Whenever current travels through a conductor, a magnetic field is generated. (Java tutorial)

A well illustrated activity where students investigate and draw the magnetic field lines created with a bar magnet and a compass.

An interesting activity where students make a ferrofluid (a liquid with magnetic particles floating in it) and explore how it responds to a magnetic field. Well illustrated.

[Free Registration/Login may be required to access all resource tools.] Why the Earth is a magnet and how its inner structure relates to its magnetic field.

This is a five-question quiz related to the passage "The Effect of Contrast Agents on MRI Signals."

Detailed information on magnetism, a physics phenomenon. Page includes a hyperlinked table of contents for easy navigation. Wikipedia is an online wiki, popular (not scholarly) in nature.

What makes a magnet? Learn all about magnets in this Q&A section. Educator resource materials are linked to this site.

Most of us have seen the rainbow-hued breakdown of the composition of light. Light is of course a form of energy. A magnetic field changes the behavior of light- a phenomenon known as the Zeeman effect.

Find out more about German physicist Wilhelm Weber, who developed and enhanced a variety of devices for sensitively detecting and measuring magnetic fields and electrical currents.

[Free Registration/Login may be required to access all resource tools.] Examines Earth's magnetic field.

A slideshow and a short multiple-choice quiz on the basic concepts and vocabulary of magnetism.

Experiment with the compass in this tutorial to see how it responds to magnetic fields.

Move a bar magnet or an electromagnet around to see how the magnetic fields change. Requires Java.

[Free Registration/Login may be required to access all resource tools.] The Earth's magnetic field and how it protects life on Earth, and how it is used for navigation.

An article defining what magnetic force is and how to calculate it.

Learn what magnetic fields are and how to calculate them with this reference page.

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.

[Free Registration/Login Required] An informational text explaining magnetic force. A question sheet is available to help students build skills in reading comprehension.

Simulate the creation of an induced magnetic field through the use of a simple electric circuit. An interactive demonstration is included.

Think iron, nickel and other "ferromagnetic" substances are the only ones with magnetic properties? In fact, everything reacts to magnetic fields in some way.

[Free Registration/Login may be required to access all resource tools.] Discusses what a magnetic field reversal is and the evidence that this has happened with the Earth.

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

Explore and review magnetism in this review guide.

Learners investigate current-carrying wires in magnetic fields. Some topics explored in the activities are forces, magnetic dipoles, and circuits. The resource consists of video clips, lecture notes, exam questions, java applets, and...