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Quitadamo, Ian J.; Kurtz, Martha J. – CBE - Life Sciences Education, 2007
Increasingly, national stakeholders express concern that U.S. college graduates cannot adequately solve problems and think critically. As a set of cognitive abilities, critical thinking skills provide students with tangible academic, personal, and professional benefits that may ultimately address these concerns. As an instructional method, writing…
Descriptors: Writing Assignments, Science Laboratories, Biology, Critical Thinking
National Aeronautics and Space Administration, Washington, DC. – 1986
Comet chronicles and stories extend back over thousands of years. A common theme has been that comets are a major cause of catastrophe and tragedy here on earth. In addition, both Aristotle and Ptolemy believed that comets were phenomena within the earth's atmosphere, and it wasn't until the 16th century, when Danish astronomer Tycho Brache…
Descriptors: Astronomy, Elementary School Science, Elementary Secondary Education, Instructional Materials