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Focusing on air, water, land and life, this video describes how these components are connected in the Earth system through the flow of energy, cycles of water and biogeochemistry. Methods of studying the Earth system, ranging from field observations... (View More)

Maps and images are examined, compared and contrasted in this introductory lesson. Beginning with the school building map typically posted in their classroom, students analyze the information it contains, describe its features, and determine its... (View More)

Keywords: Satellite images
Audience: Elementary school
Materials Cost: 1 cent - $1 per student

This video demonstrates students measuring the transparency of water, a measure of water quality, using a Secchi disk or turbidity tube. Field measurements of water temperature are also shown. The resource includes a video and a written transcript,... (View More)

The sustainability of the Nile as a water resource is investigated using maps, photos, data, graphs and a role-playing activity. Student groups will represent each of the 10 countries in the Nile River Basin. Data cards are provided for students to... (View More)

Keywords: Watershed

In the culminating activity of this investigation, students write an editorial entitled, Are We Warming Earth?, in which they attempt to persuade readers to take global warming seriously. Leading up to that activity, students read background... (View More)

El Niño Southern Oscillation (ENSO) affects weather, climate, and, consequently, humans and their activities. In this investigation, students review and analyze ENSO background info, data and satellite images in preparation for a game. Acting as... (View More)

This activity is about the study of planetary samples. Learners will use samples of crustal material to sort, classify, and make observations about an unknown planet. From their observations, students will interpret the geologic history of their... (View More)

The use or abuse of the Chesapeake Bay is examined and discussed in the form of a student role-playing activity. Each student gathers relevant background information and formulates questions from briefing cards included in the investigation. Ten... (View More)

This investigation introduces students to the phenomena of urban heat islands, areas of higher then normal temperatures associated with populated areas. Using Atlanta, Ga., as the study site, students begin by analyzing the population growth and... (View More)

Remote sensing, using Thermal Infrared Multispectral Scanner (TIMS) data, has lead to the discovery of previously unknown roads in the canyon area of New Mexico once occupied by the Anasazi culture. Students will use those images, along with maps... (View More)