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8) 4-4 Changes

Physical and Chemical Changes

TermDefinition
physical change a change that affects the appearance of a substance, but does NOT make a new substance
examples of physical changes cutting paper, melting ice
evidence of physical changes shape change, size change, state change
chemical change a change where a substance forms something new with different properties
examples of chemical changes burning wood, rusting metal
evidence of chemical changes change in color, temperature, light or sound; odor change; production of gas (bubbles); formation of precipitate (solid)
Created by: bcroy
 

 



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