FREE Science Videos~ Disney presents short, interesting science demonstrations by Bill Nye. Each clip is 1-2 minutes, loads right from the home page, and is kid-friendly! Great resource for students looking for science project ideas or for introducing new science concepts to a whole class. Sample demos include: raw egg floating in salt water, static electricity, how atmospheric pressure works, and making a periscope. Fun, fast, and free!
Bill Nye The Science Guy on Heat -- Heat flows. It's the energy of moving molecules. Heat makes things go; it can make things burn. From snow to ice floe, things may look cold, but they've got heat. Conduction, radiation, convection, natural & forced that's how heat gets around.