Mathematics – Logic
Scientific paper
Dec 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002agufmed11b0046o&link_type=abstract
American Geophysical Union, Fall Meeting 2002, abstract #ED11B-0046
Mathematics
Logic
4803 Bacteria, 5455 Origin And Evolution, 6605 Education, 8125 Evolution Of The Earth, 9600 Information Related To Geologic Time
Scientific paper
The purpose of this study was to identify and document student beliefs and reasoning difficulties concerning astrobiology related topics. This was accomplished by surveying over two thousand middle school, high school, and college (science and non-science majors) students. Students were surveyed utilizing student-supplied response questions focused on the definition of life and its limitations, evolution of Earth (biologically and geologically), and the role of water for life as we know it. Careful, inductive analysis of student responses revealed that the majority of students correctly identify that liquid water is necessary for life and that life forms can exist without sunlight. However, many students incorrectly state that life cannot survive without oxygen. Furthermore, when students are asked to reason about life in extreme environments, they most often cite complex organisms (such as plants, animals and humans) rather than the more ubiquitous microorganisms. Students also have well-established models of the relationship between the geologic and biologic evolution of Earth. Results of this study were used to guide the development of a set of inquiry-based activities, which will be highlighted.
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