Convection in the Atmosphere

In convection, COOL air

• Rises

• Sinks

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The strength of a sea breeze depends on

• the heat of the day

• the difference between the temperature of the sea and the land

• the wind speed

• the amount of precipitation that day

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Sea breezes take place during the day because warmer land temperature results in a warmer air mass above the land compared to the cooler air mass over the surface of water.

• true

• false

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Land breeze and sea breezes are caused by the different temperatures between land and water surfaces.

• true

• false

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What kind of air pressure does WARM air have?

• High pressure

• Low pressure

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Warm, rising air at the Equator forms a calm, weak wind called the:

• Doldrums

• Trade Winds

• Polar Easterlies

• Westerlies

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Global winds are bands of high pressure and low pressure found at every 30° of latitude. What is the main cause of global winds?

• clouds in the atmosphere

• conduction in the atmosphere

• convection currents in the atmosphere

• electricity in the atmosphere

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NGSS.MS-ESS2-6

The drawing below shows a sea breeze.

​ Which statement about the sea breeze shown is true?

• A sea breeze forms during the day because the land warms faster than the ocean.

• A sea breeze forms at night because the land cools faster than the ocean.

• A sea breeze flows toward the ocean at night because the land and ocean lose heat at the same rate.

• A sea breeze flows toward the land during the day because the land and ocean lose heat at the same rate.

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Which of these helps to create global wind systems?

• Warmer air moves from the poles to the equator.

• Colder wind moves from the poles to the equator.

• The North Pole receives more solar radiation than the South Pole.

• The South Pole receives more solar radiation than the North Pole.

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NGSS.MS-ESS2-6

What explains why the air is sinking at point Y?

• The land is cooler than the water at night, so the air cools, is more dense, and sinks.

• The land is warmer than the water at night, so the air warms, is less dense, and sinks.

• The land is cooler than the water at night, so the air cools, is less dense, and sinks.

• The land is warmer than the water at night, so the air warms, is more dense, and sinks.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6