question: what are the 3 ingredients needed to make a cloud? answer: ……… question of the day...
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Question: What are the 3 ingredients needed to make a cloud?
Answer: … … …
Question of the DayQuestion of the DayQuestion of the DayQuestion of the Day
Turn In Now: -Cloud Chamber Lab-p. 621 Understanding Concepts 1 – 7, 10, 11
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Wind
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What causes wind?a difference in air pressure between 2
placesMoving air changes in pressure
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Wind Map
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Sinking (cold) Air Creates High Pressure
Changes in Pressure
Rising (warm) Air Creates Low Pressure
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Air Always Moves from High to Low Pressure
Gradient = difference in pressure
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Moving Air is Called Wind!
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Global Winds: Winds that blow steadily from specific
directions cover long distances Stay the same over long periods of
time Affected by the Earth’s rotation
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The Coriolis Effect• Northern
Hemisphere things turn to the right
• Southern Hemisphere things turn to the left
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Counter- Clockwise Rotation
Clockwise Rotation
Coriolis Effect
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This is The CORIOLIS Effect
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This is the CORIOLIS effect
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The Coriolis EffectThis is true for wind NOT for drains! IT IS ALSO TRUE FOR OCEAN
CIRCULATION CALLED GYRES (more on that next semester).
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Types of Global Winds
• Trade Winds– winds that
blow from 300 North or South toward the equator.
TRADE WINDS
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Types of Global Winds
• Prevailing Westerlies: – winds that
blow from West to East
WESTERLIES
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Types of Global Winds
• Polar Easterlies– Cold global
winds that blow from East to West
POLAR EASTERLIES
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Types of Global Winds• Jet Stream:
– bands of high speed winds that are hundreds of km wide
– Move around the poles and subtropics
– Bring clouds and storms
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Local Windsblow over short distances caused by unequal heating of
Earth’s surfacenot affected by Coriolis Effect
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Types of Local Winds
• Sea Breeze: Wind that blows from a lake or ocean to the land
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Types of Local Winds
• Land Breeze: Wind that blows from the land out over a body of water
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p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
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p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
1. Around Los Angles, frequent temperature inversions are the result of cool, polluted air being trapped by…
a. acid rain c. a thunderstorm b. a layer of warm air d. the ocean
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p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
2. The __________ is the process in which the atmosphere traps warming solar energy near Earth’s surface.
a. summer solstice c. greenhouse effectb. Coriolis effect d. water cycle
3.Almost all the water vapor in the atmosphere is in the …a. exosphere c. strasopauseb. ionosphere d. troposphere
4.The addition of _________ to the atmosphere by the burning of fossil fuels for cars, machinery, and power plants may lead to global warming.
a. gasoline c. oxygenb. CFCs d. carbon dioxide
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p. 621 Understanding p. 621 Understanding Concepts Concepts
#1 – 7, 10, 11#1 – 7, 10, 11
p. 621 Understanding p. 621 Understanding Concepts Concepts
#1 – 7, 10, 11#1 – 7, 10, 11
5. CFC’s, chemicals that are used as refrigerants and propellants in spray can, are partly to blame for the reduction of __________ in the atmosphere.
a.carbon dioxideb.oxygenc.ozoned. clouds
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p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
6. Clouds from when water vapor in the air condenses as …a. the air is heated c. snow fallsb. the air is cooled d. snow forms
7.When air temperature drops, the air’s abilities to contain water vapor is …a. slightly higher c. about the sameb. much higher d. lower
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p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
p. 621 Understanding Concepts p. 621 Understanding Concepts #1 – 7, 10, 11#1 – 7, 10, 11
10. ___________ are lines on a weather map that connect points of equal pressure.
a. isobarsb. isothermsc. highsd. lows
11.When a moving warm air mass encounters a mountain range, it…
a. stops movingb. rises and coolsc. slows and sinksd. reverses direction