Welcome to the Quiz!
This quiz contains 12 questions from a mix of 1 subtopics.
Which of the following is an example of a physical change?
rusting of iron
digestion of food
burning wood into ash
dissolving sugar in water
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What happens during a chemical change?
particles gain kinetic energy and start vibrating more rapidly
the state of matter changes from one to another
bonds are broken and new substances are formed
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Which of the following is NOT a change of state?
rusting
boiling
freezing
melting
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Which of the following is NOT an example of a physical change?
burning wood
breaking a plate
ice melting
sugar dissolving in water
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What happens during sublimation?
a substance changes directly from the liquid to the gas state
a substance changes directly from the solid to the gas state
a substance changes directly from the gas to the solid state
a substance changes directly from the solid to the liquid state
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What happens to the density of most substances during a state change from a solid to a liquid?
the density remains the same
the density decreases
the density increases
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What is unique about water during a state change from a solid to a liquid?
ice is less dense than liquid water
ice is denser than liquid water
the density of ice and liquid water are the same
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What happens when a liquid is heated to its boiling point?
it turns into a solid
it remains a liquid
it undergoes sublimation
it turns into a gas
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What happens when a liquid is cooled below its freezing point?
it undergoes sublimation
it turns into a gas
it remains a liquid
it turns into a solid
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When a substance is cooled, the particles lose energy and start moving more slowly.
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What is the term for the point at which a liquid turns into a gas?
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Explain the process of a solid becoming a liquid when heated.
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