Step-by-step instructions, with photos, of how to construct a solar oven using everyday materials.

Step-by-step illustrated instructions for an experiment investigating the loss of heat in three bowls of porridge.

An experiment where several containers are set up with different numbers of seeds planted in each. The objective is to investigate how seed density affects the health of the plants that grow.

Follow these step-by-step instructions to make homemade ice cream. Learn the chemistry and physics behind this summertime treat.

An experiment where students launch a simple rocket using a film canister, water, and an antacid tablet.

Step-by-step instructions, with photos, of how to create a message in Braille by gluing beans, or a substitute, onto paper.

Step-by-step illustrated instructions for an experiment investigating how a lever works. An explanation of the science involved is given at the end.

An activity where students investigate the sounds created by the friction of fingers moving along a wet string.

An activity where students take on the roles of parts of the circulatory system, and simulate the transport of nutrients, oxygen, and carbon dioxide through the blood stream.

With this resource, learners can read about family relations, the importance of corn and water to the Hopi, their wedding traditions, and what continues to sustain this long-lived culture.

This site provides a brief look at the history of the Iroquois. The site has information about food, handwork, survival, and modern life.

Explore the culture, beliefs, and people of the Tlingit Indians of the Northwest Coast.

Excerpts from official transcripts and photos from the trial evidence against twenty-three German doctors and administrators.

A comprehensive, multimedia look at the Nuremberg Trials and their results.

Kristallnacht, or Night of Broken Glass, signaled the beginning of the German plan to exterminate the Jewish people. Experience that night through videos of survivors and photographs.

How do you bring justice to the millions of people killed in German concentration camps? The Nuremberg Trials attempted this challenge. Study how SS officers were put on trial and punished using the following primary sources. Included...

The liberation of the Nazi camps was not a primary objective of the Allied military campaign. However, as they crossed Europe and saw the atrocities, the troops freed prisoners and gave them medical treatment. Understand more about the...

Analyze how the conclusion of WWI led to an unstable peace which resulted in WWII. included on this site are short films, photographs, artifacts, and an extensive bibliography for further research.

An engaging look at satellites! What they are, what they do, and how they orbit. One interactive activity is building three different types of satellites.

After defining brightness in relation to the strength of a color, this site an example as well as an activity entitled, "Experimenting with Brightness."

After defining saturation, this site provides an example and then begins an activity called "Experimenting with Saturation," involving degrees of saturation and saturation with images.

This site combines the elements of brightness, hue, and saturation to see differences in color in the things around us. Each element is dealt with individually and is incorporated into an activity involving all three.

Part of a larger sight on the eyeball and its function, this section describes the process of sight and ranges in topics from the chemical reaction of light hitting the retina to blind spots and animals seeing color.

This resource presents a brief overview of the Protoceratops.