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Learn about chemical changes where substances transform into new materials and physical changes where substances retain their chemical formula despite altering their appearance. Discover examples like breaking glass, ripping paper, and melting ice.
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1. Chemical changes 12/10/07
2. Physical change Substances chemical formula stays the same.
Examples:
Breaking glass (its still glass)
Ripping paper (its still paper)
Melting ice (its still H2O)