Module 9 Lesson 2 Check

What prevents the situation of two large air convection currents covering Earth?

• Earth's gravity

• Earth's rotation

• The Coriolis effect

• The equatorial heat

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NGSS.MS-ESS2-6

What is the main cause of the apparent curved path of moving fluids and objects on Earth?

• Earth's gravity

• Earth's rotation

• The equatorial heat

• The polar cold

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What is the result of air moving from the poles to the equator?

• It curves to the left

• It curves to the right

• It moves faster than the land

• It stops moving

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What type of front is formed when cold, dense air displaces warm air?

• Warm front

• Stationary front

• Cold front

• Occluded front

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NGSS.MS-ESS2-5

What happens when advancing warm air displaces cold air?

• A cold front forms

• A warm front forms

• A stationary front forms

• An occluded front forms

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What is the main characteristic of a stationary front?

• Rapid movement

• No movement

• High temperature difference

• High humidity

What effect does the Coriolis effect have on pressure systems?

• It causes air to rise

• It causes air to sink

• It results in the formation of rotating high- and low-pressure systems

• It has no effect on pressure systems

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In a low-pressure system, which direction does the air move in the northern hemisphere?

• Clockwise

• Counterclockwise

• Upward

• Downward

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NGSS.MS-ESS2-6

In a high-pressure system, which direction does the air circulate in the southern hemisphere?

• Clockwise

• Counterclockwise

• Upward

• Inward

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NGSS.MS-ESS2-6

What effect causes the sinking air in a high-pressure system to move in the westerly direction?

• Jet stream effect

• Coriolis effect

• Trade winds

• Polar easterlies

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