How Air Conditioners Make Cities Hotter

Air is made of _______, and the temperature of air is all about the speed of its molecules.

• glucose

• molecules

• stars

• protein

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_________ of air is all about the speed of its molecules.

• molecules

• increase

• decrease

• temperature

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Differences in air temperature are caused by differences in the _______ of the molecules that make up the air

• molecules

• temperature

• energy

• decrease

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Air conditioners cool air by ________ molecules down.

• increasing

• speeding

• slowing

• having no affect on

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Air conditioners cool the air inside, but they make the air outside _______.

• the same temperature

• even hotter

• even colder

• freezing cold

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Air conditioners can actually make .

• cold temperatures worse

• cold temperatures better

• heat waves worse.

• heat waves better

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An air conditioner uses machines and chemicals to remove ________ from the molecules that make up the air inside a room.

• potential energy

• molecules

• kinetic energy

• protein

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Energy of movement

• potential energy

• kinetic energy

• thermal energy

• motion

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When molecules are SLOWED down, the temperature becomes ______.

• hotter

• cooler

• burning

• the same as it was before

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When molecules are moving FASTER, the temperature in the room will ______

• stay the exact same temperature

• become hotter (increase)

• become cooler (decrease)

• nothing will change

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