Unit 1 Lesson 1 Quiz – Circulation in Earth’s Atmosphere

Air that is warmer than the air surrounding it

• rises

• sinks

• stays where it is

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The Coriolis effect causes ___________.

• the Earth to rotate on its axis
• continental deflection
• global winds and surface currents to move in a curved path instead of a straight line
• global winds and deep ocean currents to move in a curved path instead of a straight line.

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Warm air rises and the cool air sinks demonstrates this type of heat transfer. 

• conduction
• convection
• radiation
• Insolation 

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Winds may be named for their location or for the direction from which they blow. Which winds blow from 30° latitude in both hemispheres almost to the equator?

• easterlies

• westerlies

• trade winds

• the doldrums

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Air circulates in Earth’s atmosphere. What is the fundamental cause of air circulation in Earth’s atmosphere?

• ocean currents

• Earth’s gravity

• energy from the sun

• Earth’s magnetic field

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The equator has _____________ temperatures than the poles

• Colder

• Warmer

• the same

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Near the equator, there is an area of "no wind" due to constant hot rising air. This area is called the 

• Doldrums

• Polar Highs

• Horse Latitudes

• Subtropical Low

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Which statement describes the general pattern of winds near the equator?

• Winds are generally weak because the equator is a region of mostly low air pressure.

• Winds are generally strong because the equator is a region of mostly high air pressure.

• Winds are generally weak because the equator is a region where low and high air pressure atmospheric bands come together.

• Winds are generally strong because the equator is a region where low and high air pressure atmospheric bands come together.

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________________ is the weight of air molecules on objects below.

• Air pressure

• Wind

• Humidity

• Precipitation

• Temperature

Answer explanation

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The picture shows a valley between two mountains. Which statement best describes the moving air?

• Air particles are spreading farther apart.

• Warm air is pushing cool air downward.

• Air particles are being heated by the sun.

• Cool air is causing an area of high pressure.

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