Atmosphere Flashcards

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_____

A

Curved

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
Q

The _____ effect and other ______ combine to produce areas of ____ winds

A

Coriolis factors calm

25
Q

The doldrums are

A

Near the equator where the wind doesn’t blow.

26
Q

What did sailors do about the doldrums? And why

A

The avoided it so they wouldn’t be stranded

27
Q

The Coriolis effect causes

A

Jet stream

28
Q

Jet stream is located

A

10 km above earths surface

29
Q

What are jet streams

A

Bands of high speed winds

30
Q

In which direction do jet streams blow

A

W to E

31
Q

In which way does jet streams move

A

N and S in a wavy path

32
Q

The Coriolis effect also causes

A

The preceding westerlies and the polar easterlies

33
Q

What two things play an important role in weather

A

Prevailing westerlies and polar easterlies

34
Q

Where does the prevailing westerlies and polar easterlies meet?

A

Polar front

35
Q

The ____ of __ and __ air along the polar front has a major effect on weather.

A

Mixing warm cold