In common usage, physical change refers to alteration of the condition of an object or substance. Physical change is also a broad term used by scientists to describe a class of physical alterations, chemical, biological, or morphological. It may refer to a change of physical state or the nature or condition of matter as a result of chemical or physical action. Usage is subjective to the scientific discipline involved when used as a qualifier, and means different things in chemistry, physics and biology. |
Examples of Physical Changes:
Chemistry: Dissolving salt into a solution. Molecular: From crystalline to alternate structures. Common usage: Crushing a material like paper. https://dl.clackamas.edu/ch104-01/DistChemPhyChange.htm https://www.elmhurst.edu/~chm/vchembook/104Aphysprop.html https://en.wikipedia.org/wiki/Physical_change https://simple.wikipedia.org/wiki/Physical_change |
![]() Five-Year Average Global Temperature Anomalies from 1880 to 2006 |
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