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Reversible and Irreversible ProcessesProcedure:Several video clips are provided, one with an elastic collision of air hockey pucks and one of black and white beans being shaken in a bowl. The clips are shown in forward and reverse motion. Ask students to tell which clips are forward and which are reversed. The clips preview is given below. Higher resolution version is available to be shown on a larger screen.An actual tray with colored beads provided as well. Hints:To separate the blue and white beads after mixing them up drop them in the water. The blue beads sink and the white float.Comments:If you have a suggestion for the use of this demo which might benefit others, you can enter it below.
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