http://netvouz.com/pdboyer/tag/models?feed=rss pdboyer's bookmarks tagged "models" on Netvouz http://undsci.berkeley.edu/lessons/scaling_solar_system.html Understanding science lessons. Modified version of a typical solar system scale model activity (often called Solar System on a String) in order to emphasize one of the ways that scientists use models. See this example of such an activity. pdboyer Sun, 15 May 2011 17:28:01 GMT