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Earth structure  
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This video describes how to select a soil moisture study site and sampling strategy, and identifies what laboratory instruments will be needed to complete a soil moisture analysis. Students are shown collecting soil moisture data and asking... (View More)

In this activity, learners will use web-based satellite images and other data to investigate the ocean near six different harbors and determine where nature helps the most when it comes to dealing with an oil spill. They will then fill out a mock... (View More)

Audience: Middle school
Materials Cost: Free

This video demonstrates students measuring the acidity of water, using pH indicator paper and a pH meter. The resource includes a video and a written transcript, and is supported by the Water pH Protocol in the GLOBE Teacher's Guide. This is one of... (View More)

In this activity, learners will use a series of satellite images of Yellowstone National Park to analyze regrowth and recovery after a major forest fire. They will then prepare a memo that explains which two sites near the Old Faithful Geyser that... (View More)

Audience: Middle school
Materials Cost: Free

This video describes how to select a soil temperature study site, and demonstrates the procedure students use when taking soil temperature measurements in the field. The resource includes a video and a written transcript, and is supported by the... (View More)

Audience: Elementary school, Middle school, High school
Materials Cost: Free

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)

This is a website that serves as an online textbook to tell the story of William Gilbert, English physicist during the time of Queen Elizabeth I, and the history of the discovery of Earth's magnetism. Learners can read about historical studies of... (View More)

In the state of Maryland, a local politician once claimed that sea level is rising because there are too many people putting boats on the open ocean. Could that result in a significant sea level rise, perhaps even destroy low-lying nations such as... (View More)

Audience: High school
Materials Cost: Free per student

Images, charts and text aligned to the Students' Cloud Observations Online (S'COOL) project are presented on this PDF version of a two-sided classroom poster. S'COOL engages students in making and reporting ground truth observations of clouds then... (View More)

The rate that the snow melts is crucial in determining how fast water will reach the streams and rivers and thus, how damaging the flooding may be. This resource provides a step-by-step calculation of the volume of water stored in the snow in the... (View More)

Audience: Middle school
Materials Cost: Free per student