Exploring Physical and Chemical Properties and Changes

What is the study of matter in chemistry primarily concerned with?

• The study of celestial bodies

• The study of physical and chemical properties

• The study of living organisms

• The study of historical events

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Which of the following is a physical property?

• Reactivity

• Combustibility

• Flammability

• Malleability

How can physical properties be observed?

• By performing chemical experiments

• By changing the substance's chemical composition

• Without chemically changing the matter

• By heating the substance

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NGSS.MS-PS3-4

Which of the following is a chemical property?

• Density

• Reactivity

• Texture

• Color

What phase of matter has a definite shape and a definite volume?

• Solid

• Liquid

• Gas

• Plasma

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NGSS.MS-PS1-4

What happens to the shape and volume of a liquid when it is transferred to a different container?

• Volume changes but shape remains the same

• Neither shape nor volume change

• Shape changes but volume remains the same

• Both shape and volume change

What is the term for the temperature at which a liquid turns into a gas?

• Condensation point

• Melting point

• Freezing point

• Boiling point

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NGSS.MS-PS1-4

Which of the following is an example of a physical change?

• Burning gasoline

• Rusting iron

• Forming acid rain

• Melting ice

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NGSS.MS-PS1-4

What does the law of conservation of mass state?

• Mass can be created or destroyed in a chemical reaction

• Mass is not created or destroyed in a chemical reaction

• Mass is always gained in a chemical reaction

• Mass is always lost in a chemical reaction

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NGSS.MS-PS1-5

Which of the following is a chemical change?

• Cutting paper

• Boiling water

• Burning wood

• Melting ice

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