Atmosphere Flashcards

(36 cards)

0
Q

Air pressure is the _____ of the ____ of a column of ___ pushing down on an area

A

Result, weight, air

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1
Q

The atmosphere is_______

A

Heavy

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2
Q

Closer to earth=______

A

More air pressure

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3
Q

Farther from earth=______

A

Less air pressure

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4
Q

Example of the closer to earth you are, the more air pressure

A

A stack of books

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5
Q

Heat is a major______ in our weather

A

Factor

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6
Q

Heat that is in weather comes from

A

The sun

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7
Q

Air temperature is measured using a

A

Thermometer

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8
Q

Thermometers work because

A

Liquids expand when heated, and shrink when cooled

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9
Q

The earth is heated by________

A

The suns rays

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10
Q

The air above the earth is warmed by

A

Earths surface

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11
Q

Warmer air rises=_____

A

Low pressure

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12
Q

Cool air sinks

A

High pressure

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13
Q

Wind=

A

Horizontal movement of air from an area of high pressure to an area of low pressure

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14
Q

Winds are caused by

A

Differences in air pressure

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15
Q

Global winds blow from a

A

Specific direction over long distances

16
Q

Warm air rises at the ____ and cold air sinks at the ____

A

Equator, poles

17
Q

Air blows from the _______ toward the _____ and from the _____ to the ______

A

Equator,poles,poles,equator

18
Q

What is it called when air blows from the equator to the poles and from the poles to the equator?

A

Convection current

19
Q

Because of earths rotation

A

Global winds do not blow straight up and down from the equator to the poles and back

20
Q

Winds are_____

21
Q

In the northern hemisphere, wind…..

A

Turns toward the right

22
Q

In the Southern Hemisphere, wind…..

A

Turns toward the left

23
Q

The Coriolis effect is

A

The way earths rotation makes wind curve

24
The _____ effect and other ______ combine to produce areas of ____ winds
Coriolis factors calm
25
The doldrums are
Near the equator where the wind doesn't blow.
26
What did sailors do about the doldrums? And why
The avoided it so they wouldn't be stranded
27
The Coriolis effect causes
Jet stream
28
Jet stream is located
10 km above earths surface
29
What are jet streams
Bands of high speed winds
30
In which direction do jet streams blow
W to E
31
In which way does jet streams move
N and S in a wavy path
32
The Coriolis effect also causes
The preceding westerlies and the polar easterlies
33
What two things play an important role in weather
Prevailing westerlies and polar easterlies
34
Where does the prevailing westerlies and polar easterlies meet?
Polar front
35
The ____ of __ and __ air along the polar front has a major effect on weather.
Mixing warm cold