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Middle school  
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Earth Science  
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In this problem set, learners will use a map of satellite data on Earth's surface magnetism and determine coordinates and distances for variations in magnetism. Answer key is provided. This is part of Earth Math: A Brief Mathematical Guide to Earth... (View More)

Audience: Middle school
Materials Cost: Free

A caller on an automotive-themed radio program asked for help with a problem. It seems that when it rained her windshield wipers sometimes turned themselves on. How is this possible? This resource provides an explanation by exploring electrical... (View More)

How effective would solar cells be in any particular area of the United States? In this activity, students answer that question by analyzing graphs of incoming solar radiation. Students will download two solar radiation graphs, one based on latitude... (View More)

Audience: Middle school, High school
Materials Cost: Free
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