After two Americans staked claim to reaching the North Pole, a Norwegian explorer and a British naval officer each set out for the last unmapped region in what newspapers called a "Race to the Pole." Elizabeth Leane sets the scene for...

[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.

In this interactive tutorial students will explore magnetic force. Students will observe interactions of magnets and study magnetic fields. The source of magnetic properties is believed to be moving charge. Since moving charge produces...

A simple introduction and overview of the polar regions. Includes a link to information about animals that live in a polar habitat.

(1872-1928) Norwegian explorer most famous for first reaching the North and South Poles.

[Free Registration/Login Required] This flipchart helps students differentiate between and identify objects that are attracted by a magnet and those that are not attracted by a magnet.

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...

A plan of the Battle of Concord, Massachusetts, at the opening of the American Revolutionary War (April 19, 1775). Explanation of the Plan: (1) Lexington Road; (2) Hills and high land where the liberty pole stood; (3) center of the town,...