Step-by-step illustrated instructions show how to build a simple electric motor using everyday materials to make a wire coil spin. An explanation of the science involved is given at the end, as well as tips on troubleshooting any...

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

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

In this activity discover the direction of the magnetic field by making patterns of the field visible with iron filings.

See how electricity and magnetism interact with this activity. Activity has students creating a current by swinging a copper coil through a magnetic field. The copper coil will start a second coil swinging as well.

An activity where students test different materials to see which allow magnetic lines of force to pass through them and which block the magnetic lines of force.

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

Learn about the properties of magnets, what metals are attracted to them, what magnetic poles do, and about repulsion and attraction.

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

[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.

Create a magnetic field that is stronger than Earth so a compass needle will orient itself to the new field in this activity.

Students simulate magnetic pole reversal to study the movement of Earth's magnetic poles.

Go on a scavenger hunt mission with Tatiana and her father at the famous Greek theater, and learn more about magnets.

Paolo works in a Pizzeria. He is trying to make his own magnets. Join him and help him learn.

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

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

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.

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

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

Compasses had been steering people in the right direction for many centuries when, in the year 1820, one particular compass made a very different sort of revelation to an unsuspecting Danish science professor.

Explains what magnetism and gravity are and the differences between them.

Covers the meanings of force, friction, and gravity, and the differences between magnetic and elastic spring force, and between weight and mass. The effect of air resistance on an object's motion is also touched upon.