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Topics/Subjects:
The nature of science  
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Problem set  
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This is an online set of information about astronomical alignments of ancient structures and buildings. Learners will read background information about the alignments to the Sun in such structures as the Great Pyramid, Chichen Itza, and others.... (View More)

Audience: Middle school, High school, Informal education
Materials Cost: Free

In this problem set, learners will analyze an image of carbon dioxide emissions in the continental US in a given year to answer a series of questions. Answer key is provided. This is part of Earth Math: A Brief Mathematical Guide to Earth Science... (View More)

Audience: Middle school
Materials Cost: Free

In this problem set, learners will analyze a table of global electricity consumption to answer a series of questions and consider the production of carbon dioxide associated with that consumption. Answer key is provided. This is part of Earth Math:... (View More)

In this problem set, learners will compare actual versus computer track of a solar eclipse in Babylonian times to calculate the rate at which the day is lengthening over time. Answer key is provided. This is part of "Earth Math: A Brief Mathematical... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this problem set, learners will analyze a graph of carbon dioxide concentration in the last 400,000 years and consider the rise in carbon dioxide of the last 150 years. Answer key is provided. This is part of Earth Math: A Brief Mathematical... (View More)

In this problem set, learners will consider the "Carbon Footprint" of a family of four in a given context, as well as the US and global averages, and compare that with their own to answer a series of questions. They will use an online Carbon... (View More)

Audience: Middle school, High school
Materials Cost: Free

In this problem set, learners will analyze two figures: a graph of Arctic sea ice extent in September between 1950 and 2006, and a graph showing poll results for 2006-2009 for percentage of adults that believe there exists scientific evidence for... (View More)

In this problem set, learners will use a graph of carbon dioxide levels in the atmosphere of the last 2000 years to answer questions related to increases over time and why scientists link this increase with human activity. Answer key is provided.... (View More)

In this problem set, learners will create and use a differential equation of rate-of-change of atmospheric carbon dioxide. They will refer to the "Keeling Curve" graph and information on the sources and sinks of carbon on Earth to create the... (View More)

In this online, interactive module, students learn how enhanced Earth remote-sensing capabilities are used by dozens of satellites that are continuously collecting data from multiple vantage points. This allows scientists from different countries to... (View More)

Audience: Middle school, High school
Materials Cost: Free
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