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This is a standards-based experiment for grades 9-12 designed to promote deeper understanding of the sun's role in powering our planet. Students build a simple device to measure the amount of solar radiation the Earth receives from the sun. Using data from the experiment, they will then calculate the solar constant -- the amount of energy the earth receives from the sun per square meter per second. As a related extension, learners also evaluate the power of sunlight closer to the Sun�at the distance of Mercury. This package includes comprehensive content support, student worksheets with answer keys, and links to pedagogical information that addresses common student misconceptions. This item is part of a larger collection of lessons developed by the American Association for the Advancement of Science (AAAS).

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