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Chemical and Physical Changes (Chemical Change (Clues (temperature change,…
Chemical and Physical Changes
Chemical Change
Clues
color change
temperature change
production of a gas
formation of a precipitate
Examples
Jewelry tarnishing
Bread turning into toast
Milk going sour
A nail rusting because it was outisde
Definition: Usually a irreversible chemical reaction and a change in their chemical properties resulting in a new substance.
Physical Changes
Clues
Smell
Luster
Color
Shape
Texture
state of matter
Examples
Water boiling
Aluminum foil cut in half
Ice melting from a solid to a liquid
Definition: a physical change is when matter involves in a change in appearance only
By Lena, Samantha, and Rhea
