Earths Atmosphere Flashcards

0
Q

Troposhere

A

75% of all gases

Water vapor and weather

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1
Q

Atmosphere

A

Thin layer of gas that covers earth
Protects from suns harmful rays
Keeps us insulated

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2
Q

Ionosphere

A

Ions that absorb x-ray and gamma

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3
Q

Stratosphere

A

Contains ozone layer

No water vapor

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4
Q

Greenhouse effect

A

Gases that allow light into earth but then traps IR

Carbon dioxide. Oxygen. Nox. Methane

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5
Q

Ozone later

A

03 absorbs UV light

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6
Q

UV

A

Visible light on EM spectrum

Highly energetic

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7
Q

Radiation

A

Transfer of energy from sun to earth BY ELECTROMAGNETIC WAVES

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8
Q

IR

A

Longer wavelengths and just heat

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9
Q

Conduction

A

Transfer of thermal energy by collision between particles or matter

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10
Q

Convection

A

Transfer of thermal energy by movement of particles within matter
Molecules are heated and then spread apart. WARM AIR RISES

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11
Q

Air pressure

A

Amount of pressure exerted from a column of air

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12
Q

Oxygen

A

21%

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13
Q

Nitrogen

A

78%

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14
Q

Coriolis effect

A

Earths rotation causes moving air + water to appear to move to the right or left

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15
Q

Wind

A

Movement of air from areas of high pressure to low pressure

16
Q

Global wind belts

A

Westerlies. West to east
Trade winds. East to west
Polar easterlies. East to west

17
Q

Jet stream

A

Narrow band of high winds at the top of the troposphere

18
Q

Sea breeze

A

Wind that blows from the sea to land
DAY BECAUSE AIR ABOVE LAND IS WARMER.
Warm land and cold water

19
Q

Land breeze

A

Wind that blows from land to sea
NIGHT BECAUSE SEA RETAINS MORE HEAT THAN LAND
Warm water and cold land