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Evaporation and Condensation

Clip 1621 explains what happens to the molecules when a solid becomes a liquid and then a gas. See also 1857.

Clip 11070: Water Cycle

Making a rocket with fizzy tablet and water.

Experiment to see if an ice cube melts faster on a plastic plate or a metal pan.

Video on melting, evaporation, condensation and freezing-introducing molecules