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WorksheetsChemical vs. Physical Changes
Total questions: 17
Worksheet time: 17mins
In a __________ _________ the substances are not altered chemically but can change from one phase to another or can be combined or separated, but they keep their original properties.
(a)
In a ________ ________ the substances are altered chemically to produce a new substance with different properties after the change.
(a)
Physical change or chemical change?
Salt dissolving in water.
physical change
chemical change
Physical change or chemical change?
An iron nail rusting.
physical change
chemical change
Physical change or chemical change?
Gasoline running a car engine.
physical change
chemical change
Physical change or chemical change?
Ice melting.
physical change
chemical change
Physical change or chemical change?
Hydrogen peroxide can decompose into water and oxygen.
physical change
chemical change
Physical change or chemical change?
Water turns to steam at 100o C.
physical change
chemical change
Physical change or chemical change?
Baking cookies.
physical change
chemical change
Physical change or chemical change?
Kool-Aid mixes with water.
physical change
chemical change
Physical change or chemical change?
Milk turns sour.
physical change
chemical change
Physical change or chemical change?
Wood burning.
physical change
chemical change
Physical change or chemical change?
The Statue of Liberty made of copper turns green as it tarnishes.
physical change
chemical change
Physical change or chemical change?
A plant converts sunlight into stored energy.
physical change
chemical change
Physical change or chemical change?
Chopping wood.
physical change
chemical change
Physical change or chemical change?
Frying an egg.
physical change
chemical change
Physical change or chemical change?
Digesting food for energy.
physical change
chemical change
