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In this problem-based learning activity, students help the Forest Service make a decision: the next time there's a natural fire in Yellowstone National Park, should they try to put it out or let it burn? They perform an Earth system science analysis... (View More)

In this problem-based learning activity, students are asked to research and make recommendations that balance the benefits of a healthy forest with the economic needs of the people who log it. Students use NIH Image software to analyze satellite... (View More)

Audience: High school
Materials Cost: Free

In this problem-based learning activity, students will examine opposing views on the Amazon Rainforest and will take a position on land-use and species conservation in one of the last areas of biodiversity on Earth. This activity is part of... (View More)

Keywords: Biodiversity
Audience: Middle school, High school
Materials Cost: Free

This problem-based learning module focuses on the increasing atmospheric concentration of carbon dioxide and its effects on the various spheres of the Earth system. More specifically, students will predict how these effects may impact the growth of... (View More)

In this fieldwork activity, students learn that when setting up a research design a system's boundaries are based on the question(s) a scientist wants to answer. Students ground truth, or validate, a pixel within a homogeneous area of a satellite... (View More)

Students compare soils sampled from different environments and describe their color, texture, and composition. Samples of different soils are mixed with water in small vials, and water soil profiles are compared for difference in particle size and... (View More)

In this problem-based learning activity, students explore the economic advantages and tradeoffs associated with grazing on public lands. Students calculate the fees paid by a rancher to graze cattle on Bureau of Land Management (BLM) property, and... (View More)

Audience: High school
Materials Cost: Free per group of students

Highly productive commercial agriculture, known as industrial agriculture, is the focus of this investigation. Students will analyze and compare the inputs and outputs of industrial agriculture after reading background information, examining photos... (View More)

Keywords: Farming

This video demonstrates students locating and preparing a study site where they can conduct field observations. The procedure used when describing a soil profile is outlined. The properties of soil are described, including the structure, color,... (View More)

Deforestation in Brazil is presented as an example of major environmental changes occurring worldwide. By comparing Landsat images of Rondônia, Brazil from 1975 and 1992, students will analyze the environmental impacts as well as the intended and... (View More)