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Chemical vs physical changes

Learn the differences between physical and chemical changes, from rearranging molecules to forming new substances. Explore examples like cutting, cooking, and rusting to grasp these fundamental concepts.

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Chemical vs physical changes

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  1. Chemical vs physical changes

  2. Physical Changes • Rearrangement of molecules without affecting their internal structure. • For example, When you crumble a piece of paper or boil water you are not changing its molecules, only making them look different

  3. EXAMPLES • Cut • Tear • Folded • Written on • Painted • When water changes from a liquid, solid, or gas

  4. Chemical Change • Any change that results in the formation of a new chemical substance. • New matter is formed • For example: When eggs are cooked they change in structure and form from a liquid to a solid. The eggs cannot be put back into their original form.

  5. EXAMPLES • Burning • Rusting • Cooking • Film Processing • For example, when something is burned it cannot be changed back to its original form. It has chemically changed.

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