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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

The Maryland Science Center is working with formal education providers in local underserved schools around a combined project including an interactive exhibit, a Davis Planetarium program and associated Educator Workshops, and will provide outreach... (View More)

Audience: Informal education

This is a lesson about how to answer a scientific or engineering question. Learners will refine the scientific question they generated in Lesson 5 so that it can be answered by data and/or modeling, brainstorm possible solutions for the scientific... (View More)

Audience: Middle school
Materials Cost: $1 - $5 per group of students

This is a set of one-page problems about the size and area of solar panels used to generate power. Learners will will use integer arithmetic to tally the number of hydrogen, oxygen and carbon atoms in a molecule and determine the number of methane... (View More)

Audience: Middle school
Materials Cost: Free

This website presents ongoing research and recent discoveries in astrophysics, Earth science, and biodiversity. Each bulletin has three types of stories: documentaries (short videos from the field), data visualizations (based on NASA and NOAA data),... (View More)

Audience: Informal education
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