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Chapter 5 Vocabulary - Physical / Chemical Changes

Physical Propertya characteristic that you can observe without changing or trying to change the composition of a substance
Chemical Propertya characteristic that cannot be observed without altering, or trying to alter, a substance
Intrinsic Propertythese do not depend upon the amount of material present
Extrinsic Propertythese depend upon the amount of material present
Physical Changeswhere the form or appearance of matter changes, but the composition does not
Depositionwhere a gas changes to a solid
Chemical Changewhere substances change into different substances (the composition of the substance changes)
Law of Conservation of MassIn a chemical or physical change, “mass cannot be created/destroyed

Science Teacher
Sullivan North High School
Kingsport, TN

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