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Earth structure  
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2 to 4 hours  
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Twice each day, once during daytime and once at sunset, students observe sky color, visibility, and sky conditions over a one week period. Each observation is recorded on a sky report form (included) for follow-up discussions and comparisons. This... (View More)

Audience: Elementary school
Materials Cost: Free

This is a lesson about the solar wind, Earth's magnetosphere, and the Moon. Participants will work in groups of two or three to build a model of the Sun-Earth-Moon system. They will use the model to demonstrate that the Earth is protected from... (View More)

This textbook chapter makes the case for preserving desert old growth forests, and endangered species. The captive breeding program for the black-footed ferret is presented as a case study. Students learn about conservation practices they can do,... (View More)

In this textbook chapter, scientists studying the concentration of becomes CO² in the atmosphere are profiled. The techniques for measuring and recording carbon dioxide concentrations at the Mauna Loa Observatory are described. A link to a video... (View More)

Audience: High school
Materials Cost: Free

This textbook chapter presents several biodiversity case studies, including a study of prairie soil, the 1930's Dustbowl, and the importance of soil conservation practices. The resource includes a link to current news articles and a teacher's guide.... (View More)

In this textbook chapter, students examine the data from Mauna Loa to see that the concentration of carbon dioxide in the atmosphere is increasing. The seasonal signal observed in the data is explained by the growth cycle of plants in the Northern... (View More)

Audience: High school
Materials Cost: Free

In this case study, students read about the Canopy Crane at Wind River, a project that enables the study of Earth system interactions that take place high in the tree canopy. The chapter profiles scientists, studying birds, fungi, chemical transfer... (View More)

Learners will investigate how much you can learn about something just by looking at it. In Activity 1, students study aerial photographs to identify geologic features, determine how they differ from one another, and examine the processes involved in... (View More)

The activity introduces students to aspects of the atmosphere, biosphere, hydrosphere, and litho/geosphere and how they are interrelated. It is designed to promote an interest in authentic investigations of Earth using images acquired by astronauts... (View More)

This lesson includes four activities. Activity 1 introduces concepts related to distance, including length and height and units of measurement. Students are asked to make comparisons of distances. In activity 2, students work with a graph and plot... (View More)

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