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High school  
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Earth structure  
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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)

This textbook chapter presents a real case study involving the the logging of an old stand forest from three perspectives, that of the environmentalists, the wood products industry, and a politician. An associated writing activity engages students... (View More)

This short video (4:44) helps audiences understand and appreciate the importance of measuring precipitation globally. The role of the Global Precipitation Measurement (GPM) mission to better understand, model and predict where and when too much... (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 traces the historical development of the modern scientific understanding of light, and reviews the electromagnetic spectrum and the Earth's atmospheric shield. The resource includes links to current news articles, and a suite... (View More)

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)

In this demonstration activity, students make structural models of gas molecules using pipe cleaners and polystyrene balls and test their molecules for their resonant frequency. Students shake the models, count vibrations, and compare the resonance... (View More)

In this textbook chapter, sea level rise, ocean acidification, storm surge, desertification, ecosystem loss, and extreme weather are all discussed, along with economic and social costs to society. A video clip of NASA scientist, Dr. Tom Wagner,... (View More)

Audience: High school

In this textbook chapter, students are introduced to Mendelian inheritance and the biological processes through which changes in DNA are created and propagated within a population. An activity teaches students about dominant and recessive alleles,... (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)