How Air Conditioners Make Cities Hotter

Air conditioners make the air inside a building cooler by transferring energy to the ____.

• inside

• outside

• roof

• basement

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NGSS.MS-PS3-3

What happens to the molecules in the air when the temperature rises?

• They slow down

• They speed up

• They disappear

• They change color.

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NGSS.MS-PS1-4

What is one way to feel better when you have a fever?

• Drink hot tea

• Lay a cool washcloth on your forehead

• Sit in the sun

• Exercise

Air conditioners remove kinetic energy from the molecules inside a room, causing them to ____.

• A) speed up

• B) slow down

• C) disappear

• D) change color

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NGSS.MS-PS1-4

NGSS.MS-PS3-5

What is the result of transferring energy from the air inside to the air outside?

• The inside gets hotter

• The outside gets hotter

• Both get cooler

• Both get hotter

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

NGSS.MS-PS3-5

What is the main topic of the text?

• How air conditioners cool buildings

• How air conditioners make cities hotter

• How to save energy with air conditioners

• How to repair air conditioners.

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Fill in the blank: When a warm forehead and a cool washcloth come into contact, the ______ transfers energy to the ______.

• A) washcloth, forehead

• B) forehead, washcloth

• C) washcloth, air

• D) forehead, air

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-5

Fill in the blank: When someone puts a _______ wash cloth on their forehead, over time, it becomes ________ because the energy is transferring from the person's forehead to the washcloth.

• warm, cool

• cool, warm

• dry, wet

Tags

NGSS.MS-PS1-4

What is the key concept illustrated by the diagram in the image?

• Energy creation

• Energy destruction

• Energy transfer

• Energy storage

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NGSS.MS-PS3-3

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Fill in the blank: The faster-moving molecules of your forehead bump into the ______-moving molecules of the washcloth.

• A) faster

• B) slower

• C) same

• D) different

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-1