This educational brief is designed to serve as a source of background information on solar radiation studies for teachers and as a reference for student investigations on this subject. Users can learn mathematical...
In this hands-on activity, students investigate whether people in different parts of the world see the same number of stars. They will learn how to construct a viewing tube, use it to count the stars in random samples...
For the past 100 million years, redeposited sediment has gradually increased the size of the Mississippi River Delta. But over the past several decades, the coast of southern Louisiana has been losing rather than...
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