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WorksheetsQuiz on Physical and Chemical Changes
Total questions: 6
Worksheet time: 3mins
What is a physical change?
A change that creates a new substance
A change that affects the physical properties of a substance
A change that involves a chemical reaction
A change that cannot be reversed
Which of the following is an example of a chemical change?
A nail rusting when exposed to water and oxygen
Dissolving sugar in water
Cutting a piece of paper
Ice melting into water
What is a sign of a chemical change?
Change in color
Change in state
Change in size
Change in shape
Which of the following statements is true about physical changes?
They result in a new substance with different properties
They are usually irreversible
They always involve heat
They do not change the identity of the substance
What is density?
A measure of the amount of mass in a given volume
A measure of the amount of heat in a substance
A measure of the amount of light absorbed by a substance
A measure of the amount of color change in a substance
Which of the following is NOT a sign of a chemical change?
Formation of a precipitate
Release or absorption of heat
Change in color
Melting of ice
