A physical change is a type of change in which the form or appearance of a substance is altered, but its chemical composition remains the same. This means the substance itself doesn't turn into a different one. Examples of physical changes include changes in state such as melting ice into water, freezing water into ice, or boiling water into steam. Other examples include tearing paper or dissolving sugar in water. These changes are usually reversible, meaning you can often get the original substance back.
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