2.5 Physical and Chemical Changes in Matter Quiz

What is a physical change in matter?

• D. A change in the mass of matter

• B. A change in the state of matter

• C. A change in the physical properties of matter

• A. A change in the chemical properties of matter

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What happens during a chemical change in matter?

• A. Matter changes into an entirely different substance

• B. Matter changes its state from solid to liquid

• C. Matter changes its color

• D. Matter changes its shape

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State the law of conservation of mass.

• A. Matter can be created or destroyed during changes

• B. Matter cannot be created or destroyed during changes

• D. Matter can only be created during changes

• C. Matter can only be destroyed during changes

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When a plant grows, its mass increases over time. Does this mean that new matter is created? Why or why not?

• B. No, new matter is not created because of the law of conservation of mass

• A. Yes, new matter is created because the plant is growing

• C. Yes, new matter is created because of the chemical changes in the plant

• D. No, new matter is not created because the plant is just rearranging its existing matter

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Butter melts when you heat it in a pan on the stove. Is this a chemical change or a physical change? How can you tell?

• D. Physical change, because the butter changes its shape

• A. Chemical change, because the butter changes into a new substance

• B. Physical change, because the butter only changes its state

• C. Chemical change, because the butter changes its color

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Is popping popcorn a physical or chemical change? How can you tell?

• D. Chemical change, because the popcorn changes its shape

• C. Physical change, because the popcorn changes its color

• B. Chemical change, because the popcorn changes into a new substance

• A. Physical change, because the popcorn only changes its state

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Compare and contrast physical and chemical changes in matter. Give an example of each type of change.

• B. Physical changes are irreversible, while chemical changes are reversible

• A. Physical changes affect the chemical properties of matter, while chemical changes affect the physical properties of matter

• C. Physical changes involve a change in state, while chemical changes involve a change in color

• D. Physical changes involve a change in shape, while chemical changes involve a change in mass

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What are the states of matter?

• D. Solid, liquid, gas, compound

• C. Solid, liquid, gas, mixture

• B. Solid, liquid, gas, solution

• A. Solid, liquid, gas, plasma

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What might cause matter to change state?

• B. Change in color

• A. Change in temperature

• C. Change in shape

• D. Change in mass

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Burning is a chemical process. Is mass destroyed when wood burns?

• A. Yes, mass is destroyed during burning

• B. No, mass is conserved during burning

• C. Yes, mass is created during burning

• D. No, mass is lost during burning

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