Narrow Search

Filters: Your search found 286 results.
Topics/Subjects:
Earth processes  
Materials Cost:
Free  
Sort by:
Per page:

Now showing results 61-70 of 286

This textbook chapter describes the role photosynthesis, food webs, and fossil fuels in the movement of energy through the biosphere. The resource includes a student investigation, links to current news articles, and an essay-based unit assessment.... (View More)

Keywords: Energy pyramid
Audience: High school
Materials Cost: Free per student

In this data activity, students interpret raw data on snow cover and explore the climatic impact of the "lake effect" - a significant factor determining snowfall amount in the Great Lakes drainage basin is the surface temperature of the lakes.... (View More)

Keywords: lake effect snow
Audience: Middle school
Materials Cost: Free per student

This textbook chapter presents evidence of a warming climate and outlines how a clear picture of global warming has emerged since the 1980s. Students learn about sampling error sources in climate data, and compare graphical data collected by climate... (View More)

This textbook chapter introduces the concepts of static and dynamic equilibrium, and discusses contemporary climate change. The greenhouse effect is presented in a discussion of Mars, Venus and Earth, the "Goldilocks" planet. Two investigations... (View More)

Audience: High school
Materials Cost: Free

The importance of rainforests to Earth's biodiversity, climate and production of rainforest products is discussed in this textbook chapter. Includes an interview with an Amazonian rainforest scientist, a discussion of the competing perspectives of... (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

In this activity, students analyze a 2011 article by physicist Dr. Richard Muller addressing the climate change skeptic's claim that the scientific data used to support global warming is poor or unreliable. He headed a two-year study where his... (View More)

Audience: High school
Materials Cost: Free per student

In this self-paced tutorial, learners examine data to determine the relative contribution of what we call natural climate cycles and that of human-caused greenhouse gases to contemporary climate change. Changes in the Earth-Sun geometry over time... (View More)

This self-paced tutorial investigates evidence for contemporary climate change by examining multi-year weather, statistical and anecdotal records obtained from several U.S. localities. Learners plot and identify trends in regional weather data,... (View More)

In this problem-based learning activity, students assume roles as members of the Department of Energy Efficiency and Renewable Energy (EERE). Your major area of concern is locating areas best for collecting solar power. You will need to evaluate... (View More)