Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 2009
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21361302t&link_type=abstract
American Astronomical Society, AAS Meeting #213, #613.02
Astronomy and Astrophysics
Astronomy
Scientific paper
Over two thousand years ago, the Greek scholar Eratosthenes performed an elegant experiment in which he accurately calculated the size of the Earth through the use of geometry and the measurement of the length of a shadow. The authors conducted an empirical study in which middle school students engaged in the authentic inquiry task of replicating Eratosthenes’ experiment. It was hypothesized that engagement in this instructional intervention would lead to both increased knowledge about astronomy, as well as more sophisticated views about the nature of science.
Grundstrom Erika D.
Taylor Roger S.
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