Learn about different kinds of robots as you build them in five interactive simulations.

Read this poignant interview, transcribed by a WPA worker, in which a deaf couple describes the hardships they encountered during the Great Depression, compounded because of their disability.

Primary source material on European presence in North America between 1492 and 1690 covers the topics of contact, exploration, settlement, permanence, and power. Includes notes and discussion questions.

Online exhibition that features the accomplishments of women doctors, many who have changed the face of medicine and served as role models for women today. Includes learning activities, games, and lesson plans showing how the human body...

A complete lesson unit on Hammurabi?s Code, for Grades 9-12.

This is a one-page PDF of the West African tale "Why Turtles Live In Water."

In this simulation observe ionic bonds and how they affect the structure of the molecule.

Article on the life and work of Mahatma Gandhi. With links to related material.

Site entitled "Cranial Nerves." Links to other sites.

Learn about the polar ice cap ecosystem. Find out about plants, animals, adaptations, and conservation efforts.

Learn about the desert scrub ecosystem. Find out about plants, animals, adaptations, and conservation efforts.

Learn about the coastal ecosystem. Find out about plants, animals, adaptations, and conservation efforts.

Learn all about the abyssal ocean ecosystem. Find out about plants, animals, adaptations, and conservation efforts.

Look inside a resistor to see how it works. Increase the battery voltage to make more electrons flow through the resistor. Increase the resistance to block the flow of electrons. Watch the current and resistor temperature change. Java...

Look inside a battery to see how it works. Select the battery voltage and little stick figures move charges from one end of the battery to the other. A voltmeter tells you the resulting battery voltage. Java required.

Airplane wings do not all have the same design. With this Science Buddies project you can design your own wings to see which offers the greatest lift. The Science Buddies project ideas are set up consistently beginning with an abstract,...

There's nothing quite like the smell of fresh-baked bread to make your mouth water. As any baker can tell you, you can't bake bread without yeast. This project makes clever use of bread dough to measure yeast reproduction three different...

There's an old saying that "the clothes make the man" (or woman, we're quick to add nowadays). How true do you think this is? Here's a project with one approach for finding out.

Here's a good way to get yourself on TV. This science fair project will help you learn how to predict the weather. So who knows, maybe you'll be more accurate than your local meteorologist.

Does talking on a cell phone make one a more dangerous driver? Here is an experiment you can do to investigate whether reaction time is adversely affected by a simultaneous phone conversation.

With this Science Buddies experiment, you will see if you can jump farther if you increase the distance you run before you jump The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and...

Dwight Eisenhower's Vice President, Richard Nixon, came under fire for misusing political contributions for personal expenses. These are transcripts of Nixon's speech delivered in 1952.

This site provides the complete etext for Zane Grey's story, "To the Last Man."

This site provides the complete etext for Zane Grey's story, "Wildfire."