Topic 5 and 6 study sheet

How do winds influence temperature?

• the movement of air cools things down

• Winds carry energy in the form of heat around the Earth

• by the way they are named

• by transfering radiation from the sun to the ground

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What are some factors that affect visibility?

• fog, rain, and pollution

• air pressure

• temperature and latitude

• eye color

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1. Which ocean current directly affects the weather along the southernmost coast of the eastern United States?

• The Canary Stream

• The Humboldt Current

• The Gulf Stream

• The polar jet stream

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What is a jet stream?

• the preferred path of planes in the northern hemisphere

• a body of air with similar temperatures and humidity throughout

• a part of the atmosphere that filters out ozone

• a narrow band of strong winds that blow in the upper region of the atmosphere

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1. Air typically moves from areas of

• mountains to valleys

• high pressure to low pressure

• north to south

• the ground to the upper atmosphere

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1. How do surface currents affect temperature?

• they will make conditions more dry and arid

• they do not actually change temperature

• they will cause more reflection of the suns rays

• they can change the temperature of the air above the surface current

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What is humidity?

• how hot it is outside

• a measure of the amount of condensation

• The point in which the atmospheric pressure is conducive for a storm

• the amount of water vapor in the air

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How are humidity and water vapor tied together?

• The higher the humidity %, the more water vapor there is in the air

• The lower the humidity %, the more water vapor there is in the air

• humidity makes water vaport disappear

• both are required to create a drought

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What happens in a high pressure system?

• As the air sinks, it gets warmer and absorbs moisture. Water droplets evaporate, relative humidity decreases, and clouds often disappear.

• as the air rises, it gets cooler and condenses, causing clouds and light rain

• air molecules begin to spread apart, causing temperatures to decrease

• conditions become right for a tornado or hurricane

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What happens to the rising air mass in a low pressure system?

• it sinks and absorbs clouds and moisture

• air molecules clump together and temperatures increase

• It cools and forms clouds and rain.

• the weather will be cool and clear

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