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WorksheetsPhysical and Chemical Change
Total questions: 19
Worksheet time: 14mins
Cutting your hair is an example of a ___________ change.
physical
chemical
Wood burning - PHYSICAL or CHEMICAL change?
physical change
chemical change
Carbon dioxide and vinegar react to form a gas - PHYSICAL or CHEMICAL change?
physical change
chemical change
Wax melting - PHYSICAL or CHEMICAL change?
physical change
chemical change
Metal rusting - PHYSICAL or CHEMICAL change?
physical change
chemical change
Water evaporates from the ocean - PHYSICAL or CHEMICAL change?
physical change
chemical change
Candle wick burning - PHYSICAL or CHEMICAL change?
physical change
chemical change
________________ are reversible and have some of the properties of their substance change
Physical changes
Chemical changes
Reactants
Products
_______________ are irreversible and have one or more new substances formed
Physical changes
Chemical changes
Reactants
Products
The signs of a chemical change are
Temperature change
Gas is produced
Colour change
Precipitate
All of the above
Which of the following is an example of a wanted chemical reaction?
Cesium reacted with water
Digestion
Acid rain
Chemical weapons
Which of the following is not an example of a physical change?
Sour milk
Dissolving sugar and water
Chopping wood
Boiling water
Which of the following is not an example of a chemical change?
Melting of butter
Burning a piece of paper
Rusting of iron
Fireworks
