Interactive Hertzsprung-Russell Diagram Stellar Spectra Activity This is a simple activity to help students understand stellar spectra and luminosity. Students drag a 'generic' star around a Hertzsprung-Russell Diagram and the star changes its size and color based on its location within the diagram. Students then plot each star at a particular location based on data from a table of real luminosity and temperature values. From on September 17, 2005 at 2:18 a.m..
American Experience-Fatal Flood This is a PBS website that is related to the film documenting the flood of 1927 in New Orleans. It relates flood statistics of the flood of 1993. There are several great features of this site such as a teacher's guide. From on September 17, 2005 at 2:18 a.m..
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