HOW AIR CONDITIONERS MAKE CITIES HOTTER

What is the main function of air conditioners?

• To make the air temperature inside a building the same with the outside

• To make the air inside a building hotter

• To make the air inside a building cooler

• To clean the air inside and outside the building

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The difference in temperature is caused by differences in kinetic energy of molecules and their speed.

• True

• False

• Maybe

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How does the air conditioner cool down a room?

• It makes the molecules stay at the same speed.

• It makes the molecules move faster.

• It makes the molecules move slower.

• It makes the molecules stop.

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LAW: Energy can't be created nor destroyed; it can only be transferred from one place to another.

• True

• False

• Maybe

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What happens when molecules bump into each other and speeds up?

• No change in temperature

• Temperature stays the same

• Temperature rises

• Temperature drops

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What happens when people lessen their use of air conditioner?

• No effect at all.

• Cities' temperatures drop

• Cities' temperatures stay the same

• Cities' temperatures rise

What happens to the kinetic energy when molecules speed up?

• Reaches absolute zero

• Goes up

• Goes down

• Stay at the same time

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How can a washcloth help a sick person?

• It makes molecules move in the body move faster.

• It increase the body's temperature.

• It absorbs the body's heat specifically in forehead.

• It gives off heat.

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How does the heat flow from two different systems?

• Cold to Hot

• Hot to Cold

• Hot to Hot

• Cold to Cold

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When does the flow of heat stop?

• When two bodies are both hot.

• When two bodies are both cold.

• When two bodies have the same or equal temperature.

• When two bodies have different temperature.