Physical change facts for kids
A physical change is a change where no new substance is formed.
Physical changes affect the form of a substance, but not what it's made up of.
Some physical changes are reversible and their mass does not change.
An example is a change in shape. You could melt an ice cube. The shape has changed but it is still made of the same substance. You can also re-freeze it.
Other examples of a physical changes are tearing a piece of paper, chopping up some wood are also an examples of a physical change.
Many physical changes also involve the rearrangement of atoms most noticeably in the formation of crystals.
Unlike physical changes many chemical changes are irreversible.
See also
In Spanish: Cambio físico para niños
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Physical change Facts for Kids. Kiddle Encyclopedia.