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This is a lesson about volcanic activity. Learners will make volcanic eruptions using baking soda and vinegar, and then use colored play dough to make a record of the flow patterns. Then, groups of learners exchange their volcanoes so they can make... (View More)

The students will learn to identify watersheds on topographic maps by learning how to interpret contour lines and distinguish adjacent watersheds by the ridge line between them. Required materials include laminated 7.5 topographic maps of a local... (View More)

Students will collect samples of particles in the air on simple slides they make themselves. They will classify, count and chart their findings, draw conclusions, make predictions, and compare their findings to other available data. Supplies needed... (View More)

In this activity serving as an introduction to remote sensing, students list what they remember seeing in a familiar environment, check their accuracy, and discuss the results. Then they apply their experiences and new skills to an unfamiliar... (View More)

Students will create a three-dimensional model from a two-dimensional topographic map. They will use the model to trace the path that a water droplet takes across the watershed and into the watercourse, and will describe the relationship between the... (View More)

Students will compare aerial photos of their area from the past with current photos, noting differences and then conducting ground truth investigations to determine what happened. Finally, students will use the information they gather about past... (View More)

Students will examine two satellite images of their local watershed taken at different points in time and use this data to learn about changes in the watershed, particularly in land cover. Next, they describe how these changes have had positive or... (View More)

Students describe the interaction between the river, its quality and the lives of people in the watershed where they live. Students will design a questionnaire, interview local people, and compile the oral histories collected to establish the recent... (View More)

Keywords: Ethnography

This is an activity about gravity. Learners will fill out a questionnaire to assess their ideas about how the Earth is shaped and how things fall here and at different places around the planet. Then, in small groups, learners will discuss how... (View More)

Learners will identify existing government agencies charged with safeguarding water quality, their geographic jurisdiction, and their subjects of concern, such as water quality laws, information, testing, and enforcement, and identify water quality... (View More)

Audience: Middle school, High school
Materials Cost: Free per student