Ch 12 Lesson 2 Quiz

Which situation represents a chemical change?

• burning a pile of twigs

• bioling water in a teakettle

• washing the mud off a dirty car

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NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which statement describes the difference in energy between an ice cube and liquid water?

• The particles in the ice cube have no energy.

• The particles in the ice cube have more energy.

• The particles in the liquid have more energy.

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NGSS.MS-PS1-4

Which change in matter can be reversed?

• torn paper

• broken rock

• dissolved sugar

Which situation represents a physical change?

• salt dissolving in water

• a piece of metal rusting

• twigs burning to become ash

A solid that sometimes forms when two liquids combine chemically is

• an acit

• a solution

• a precipitate

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NGSS.MS-PS1-2

What does the law of conservation of mass state?

• Chemical reactions destroy matter.

• Chemical reactions don't destroy matter.

• The total mass before and after a chemical reaction is the same.

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NGSS.MS-PS1-5

After a log is burned, the mass of the ashes will be less than the mass of the log before it was burned. Which statement best explains this fact?

• The process of burning destroys some of the mass.

• The process of burning converts some mass into a gas.

• The process of burning creates ashes, which have less mass than wood.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5