Unit 2 Chemical/Physical Properties and Density Calculations

Which of the following is a physical property of matter?

• Flammability

• Density

• Reactivity with acid

• Ability to rust

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NGSS.MS-PS1-4

Which of the following is a chemical property of matter?

• Melting point

• Solubility

• Reactivity with oxygen

• Color

Which of the following describes a physical change?

• Burning wood

• Rusting iron

• Melting ice

• Baking a cake

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

• Dissolving sugar in water

• Freezing water

• Digesting food

• Cutting paper

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NGSS.MS-PS1-5

NGSS.MS-PS1-2

Which of the following is a chemical property?

• Boiling point

• Density

• Reactivity with acid

• Color

Which of the following is a physical property of copper?

• It reacts with sulfuric acid

• It is a good conductor of electricity

• It forms a green patina when exposed to air

• It burns in oxygen

Which of the following is a chemical property of hydrogen?

• It is colorless

• It is less dense than air

• It reacts explosively with oxygen

• It is odorless

Which of the following is a physical property of gold?

• It tarnishes in air

• It is malleable

• It reacts with chlorine

• It forms compounds with sulfur

According to the law of conservation of mass, what happens to the mass of substances in a closed system during a chemical reaction?

• It increases

• It decreases

• It remains the same

• It doubles

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NGSS.MS-PS1-5

Which of the following best illustrates the law of conservation of mass?

• A candle burning and producing smoke

• Water evaporating from a puddle

• Ice melting into water

• A sealed container with a chemical reaction inside

Tags

NGSS.MS-PS1-5