Physical Change
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A change in which the atoms or molecules in a substance stay the same.[1]
Some examples include changes in the state of matter: melting (solid to liquid), evaporation (liquid to gas) and sublimation. Many times, dissolution is also a physical change, such as when salt is dissolved, as the water can be evaporated.
References
- â Wile, Jay L. Exploring Creation With Chemistry. Apologia Educational Ministries, Inc. 1998.