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This introductory textbook chapter presents data demonstrating decreased global biodiversity and its link to human activity. The resource includes a field-based student investigation of local biodiversity, links to current news articles, and an... (View More)

This textbook chapter tells the story of DDT and the the near-extinction of the Perigrine Falcon. The role of the Rachel Carson's best-seller, Silent Spring, and the role of research in the recent recovery of bird populations in the United States... (View More)

In this problem-based data analysis activity, students identify trends and make predictions about the possible influence of climatic factors and vegetative growth on macro invertebrates. Step-by-step instructions for use of the MY NASA DATA Live... (View More)

In this introductory textbook chapter, students become familiar with how scientists view planet Earth. This is the first chapter in the unit, A New World View, which introduces global systems science, emphasizing the concepts of environmental... (View More)

Keywords: Sustainability
Audience: High school
Materials Cost: Free

This textbook chapter summarizes the changes in the ecosystems found in the world's forests. This is chapter 2 in the unit, A New World View, which introduces global systems science, emphasizing the concepts of environmental diversity, Earth as a... (View More)

This textbook chapter outlines the historical development of the Theory of Natural Selection, presenting classic evidence including Darwin's study of finch beak variation in the Galapagos Islands and Kettlewell’s investigation of the pepper moth... (View More)

Keywords: Adaptation; Evolution
Audience: High school
Materials Cost: Free

This chapter describes how to set a scale and measure distances and areas on satellite images. Using ImageJ, a freely available image analysis program that runs on most operating systems, users set the spatial calibration of an image, then select... (View More)

In this activity, users download and graph modeled climate data to explore variability in climate change. Most people know that climate changes are predicted over the next hundred years, but they may not be aware that these changes are likely to... (View More)

Users explore data, using My World GIS, that characterize the dynamic Greenland Ice Sheet. By examining photographs, map views, and tabular data, users gain an understanding of how and why scientists are monitoring the ice sheet and what they are... (View More)

In this activity, users examine satellite images from NASA's Total Ozone Mapping Spectrometer (TOMS) that show how much ozone is in the atmosphere over the Southern Hemisphere. They interpret the images to identify ozone thinning that develops over... (View More)

Keywords: Ozone Depletion
Audience: Middle school, High school
Materials Cost: Free