This short module covers permanent magnets, the concept of polarity, and the manufacture of permanent magnets. Includes some quiz questions.

This is a Java tutorial showing the simple voltaic (or galvanic) electrical cell, which is the most basic type of "wet" cell and demonstrates the fundamental chemistry behind batteries.

[Free Registration/Login may be required to access all resource tools.] A brief overview of the methods scientists use to study the ocean seafloor and the features that can be found there. Discusses the magnetic polarity of the seafloor...

The discovery of radio waves, which was widely seen as confirmation of James Clerk Maxwell's electromagnetic theory and paved the way for numerous advances in communication technology, was made by German physicist Heinrich Hertz. In the...

View a computer model simulation from NOVA Online that illustrates what happens during a magnetic field reversal, an infrequent occurrence that may be currently underway.

This lesson plan contains several activities designed to help the student understand the magnetic effects of an electrical current.

This comprehensive study guide covers the main terms and concepts needed for an earth science unit on continental drift. Review questions are included at the bottom of the study guide. Part II of II.

A detailed, interactive look at the mid-oceanic ridge. Learn more about slow and fast spreading ridges and how the polarity of the ocean floor helps determine the speed of spreading.

Uncountable times every day "with the merest flick of a finger"each one of us calls on electricity to do our bidding. What would your life be like without electricity? Students begin learning about electricity with an introduction to the...

Biography of Etienne-Louis Malus (1775-1812), a famous French mathematician and physicist, best known for his work in double refraction and in polarization.

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...

College-level textbook highlighting electromagnetism concepts. Many of the topics are explained in video demonstrations.

Discusses discoveries that laid the foundation for scientists' understanding of paleomagnetism, continental drift, and magnetic reversals.

Site provides the article, "Burst Behind the Sun Reveals Magnetic Charm of Distant Explosion," that details on a gamma-ray burst that occurred on December 6, 2002. Provides graphics and links to learn more about gamma-ray bursts.

This site from MathWorld explains the hyperbolic function. The information is not too in-depth, but factual and quite a few links are provided for additional information on related subjects.

The earth's magnetic field is due for a reversal. Find out what causes the magnetic field and view an animated model that shows it reversing.

College-level electrical engineering textbook starting from the Coulomb-Lorentz force law on a point charge. Sample problems that reinforce the content are found at the end of each chapter. Includes downloadable excerpts of the textbook...

This comprehensive overview of continental drift takes a historical look at the various types of evidence which led to the development of the theory.

The aurora borealis (also known as the northern lights) is a spectacular light display that can be seen at night in regions near the North Pole (auroras can also be seen near the South Pole). Auroras occur because of charged particles...

Exploratorium's snacks aren't edible, but they are good! Use your science skills to discover gravity, learn about biology, do fun experiments.