Atmosphere.. chapter 17

Which of the following is an example of climate?

• A sudden snowstorm resulted in subzero temperatures and 30 cm of new snow.

• In southern California, temperatures are generally mild and rainfall is low.

• Record-breaking low temperatures caused a sudden freeze one day in Des Moines.

• A week of rain caused widespread flooding in Seattle.

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Most of Earth’s dry air is made up of

• carbon dioxide and oxygen.

• nitrogen and argon.

• nitrogen and oxygen.

• oxygen and argon.

What percentage of water vapor is found in the air?

• 0 to 1 percent

• 0 to 8 percent

• 0 to 10 percent

• 0 to 4 percent

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NGSS.MS-ESS2-4

Why is Ozone important?

• It helps buffer lightening discharge

• It is a greenhouse gas sponge

• It absorbs and reflects UV which damages DNA

• Ozone is used by cows to break down grass

In which level of the atmosphere is ozone concentrated?

• troposphere

• mesosphere

• thermosphere

• stratosphere

Seasonal changes occur because of

• Earth’s tilt and changes in amt of sunlight and time of sun lit area

• the distance between Earth and the moon.

• Earth’s shape.

• the time of year.

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Which of the following results when there is a temperature difference between two objects?

• One object will always have more heat then the other object.

• Both objects will gain more and more heat.

• The temperature of both objects increases.

• Heat is transferred from one object to the other.

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The average kinetic energy of the atoms or molecules in a particular substance is known as

• temperature.

• heat.

• conduction.

• convection.

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Because of convection, the warmest air in a room

• rises toward the ceiling.

• transfers heat to the walls.

• sinks toward the floor.

• spreads out in all directions.

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Which of the following is NOT true about radiation?

• Radiation cannot travel through a vacuum.

• The hottest radiating bodies produce the shortest wavelengths.

• All objects emit radiant energy.

• Objects that absorb radiation well emit radiation equally as well.

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