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A great science site with animations about heat and insulation. http://ictmagic.wikispaces.com/Science

This site offers an interactive introduction to electric circuits covering the basics of circuits and leading up to conductors, insulators, switches, and circuit diagrams. Easy to use with bright colors, The Blobz Guide to Electric Circuits presents the perfect introduction to circuits for the elementary student. Students follow Bob and the other Blobz through five lessons on circuits. Each lesson begins with background information, moves to an activity using drag and drop, and then ends with a quiz. 

In an effort to stave off obsolescence, using an operational model developed when information/expertise and group-forming were expensive or impossible, many schools are attempting (often under the banner of security) to insulate their members from the out