Students identify activities that produce hazardous waste. They examine how contaminants are spread in air and water. They work together to create a model to show how the contaminants move through water.

Students examine how hazardous wastes are cleaned up. They work together to identify the positives and negatives of cleaning up certain hazardous wastes. They answer questions as part of the activity.

Imagine having to give up cell phones, computers, and TV? What would be lost? What gained? An examination of the Drokpa, a nomadic people who live in the grasslands of Tibet, provides class members an opportunity to consider how access...

Learners investigate primary sources from Carlisle Indian School including letters and photographs.  In this investigative lesson students answer questions about their research.

Students examine new concepts related to the aging of a tree. They use the rings on the stump to gather more information about the tree. They answer questions to complete the lesson.

Students work in small groups to create 3-D posters to discourage throwing trash away and encourage recycling.