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Topics/Subjects:
Earth structure  
Learning Time:
2 to 4 hours  
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Now showing results 11-20 of 83

This textbook chapter reviews the scientific evidence for global warming, presents proxy climate data, and discusses the increase in scientific knowledge as evidenced in the series of IPCC reports since 1990. The likelihood of a globe with doubled... (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

This textbook chapter introduces the buffalo as a keystone species, and describes the environmental impacts of its near extinction, including today’s predominance of non-native species in the Great Plains. Human activities that contribute to... (View More)

This tutorial provides the evidence that the amount of CO² in the atmosphere has not been as high as it is currently for nearly half a million years and that this increase corresponds with data that human activity is responsible. Learners examine... (View More)

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)

This self-paced tutorial explores the evidence for sea level rise related to global climate change and the consequences for humanity, especially for coastal-dwelling populations. Learners explore how a warming climate contributes to sea level rise,... (View More)

This textbook chapter describes the properties of greenhouse gases that are being added to the atmosphere: carbon dioxide, methane, nitrous oxide, chlorofluorocarbons, and ozone. Deforestation, industrialization and population growth are presented... (View More)

This lesson provides an opportunity for students to express their ideas through literature. Teachers will read a story on clouds to students, then take students outside to observe actual clouds. Students will create drawings of what they see,... (View More)

Keywords: Clouds
Audience: Elementary school
Materials Cost: Free

This chapter describes the technique of preparing GIS-ready data and shows how to map that data and conduct basic analyses using a geographic information system (GIS). First, the user will download and format near real-time and historical earthquake... (View More)

This activity prepares the student to launch an investigation of the relationship between precipitation and Streamflow for a local watershed. It can enrich a study of the water cycle. Following the step-by-step instruction in this case study,... (View More)

Audience: Middle school, High school
Materials Cost: Free