ClassFlow
Class Flow: States of Matter Experiment
[Free Registration/Login Required] This flipchart goes through the basics of identifying the different states of matter: solids, liquids, and gases. It also has an exciting (and easy) experiment for students to combine substances, get a...
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Physics and Astronomy Online: Plasma?
Physics and Astronomy Online offers an interesting Q & A about the conditions of plasmas as they occur in general and in the everyday world.