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

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

[Free Registration/Login Required] An informational text about how a compass works using electromagnetic force. A question sheet is available to help students build skills in reading comprehension.

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.

A module that uses pictures, videos, reading passages, and review question to go over what a magnet and magnetic pole are, and how magnetic force is related to magnetic field. This site may require free registration to access all...

Do you know how to induce an electromotive force? This reference page will help you understand why Faraday's law mean and how to use it.

This lesson focuses on electric charges. Electric current is the flow of electric charge. Some insulating materials become electrically charged when they are rubbed together. A substance that gains electrons becomes negatively charged,...

What is a magnet? In this activity, students will investigate magnets and what they attract. They will observe, explore, ask questions, predict outcomes, then discuss and record their findings.

This lesson will introduce what a magnet is and how magnets work.

[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.

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