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In this activity, students investigate the interacting parts of the Earth system by observing changes in evaporation rate in four small aquariums with different initial conditions. The demonstration requires 4 small aquariums, soil, plants, water,... (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

In this demonstration, an apple is used to help students visualize the relative amounts of land and water resources on the planet, and highlights the vulnerability of these resources we share. The apple is sectioned proportionately according to... (View More)

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

The activities in this investigation train students to differentiate between physical (natural) and human-made features. Using both space shuttle photographs and satellite images, students will identify some of Earth's prominent natural and... (View More)

Keywords: Landforms

Students confront the challenge of improving global agricultural production in order to feed increasingly larger populations. Students evaluate tables, maps, graphs, photos and satellite images detailing global population growth patterns and... (View More)

The 1992 eruption of Alaska's Mt. Spurr was captured in satellite images along with photographs taken from the Space Shuttle. Students will analyze those images and photos to determine the correlation between different types of data, in this case... (View More)

Students become familiar with map reading skills, latitude and longitude as they play a game where the object is to rescue fishermen stranded on deserted islands. A template for the game board and cards are included in the activity. The resource is... (View More)

This investigation requires students to locate several major U.S. cities using four different sources: an outline map, a nighttime lights image, an atlas map, and a space shuttle image. After analyzing and comparing the information from those... (View More)