The Vietnam War and World War I were two very important—and different—wars. To understand the differences, and similarities, class members watch videos, examine primary source documents, and then create a newscast that examines the...

Students explain how the food chain works. They contrast predators with prey and describe their function in nature. Students discuss how the food chain aids in keeping nature balanced. In small groups, they play a game that simulates the...

Explore the current political debate over regulating power plant emissions. Critical thinkers research, formulate, and present arguments regarding selective catalytic reduction systems for coal-burning plants.

Have individuals wash their hands with soap and water, give one of them a yeast-covered piece of candy, and then have him shake hands with the person next to him. Handshakes continue down the line until everyone in the class has had...

Students examine the effects of acid rain by performing a simulation experiment. They also view the effects of acid rain and erosion on the reservation and record observations in a science log.

First graders use a calculator to total money quantities. They use plastic coins to represent the cost of an entire purchase. Students model specific dollar amounts and how to make change.