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Simple Machines > Intro To Meteorology > Flashcards

Intro To Meteorology Flashcards

1
Q

The study of the earths atmosphere

A

Meteorology

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2
Q

The envelope of gasses surrounding the earth

A

Atmosphere

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3
Q

___% ______ supports respiration,combustion/burning, and oxidation

A

21% oxygen

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4
Q

___% _____> inactive gas that has the purpose of diluting the amount of oxygen

A

78% nitrogen

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5
Q

__% ___________>hydrogen, carbon dioxide, helium

A

1% many other gases

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6
Q

A long time ago people thought the aurora borealis was an omen of ____

A

Disaster

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7
Q

The atmosphere protects life on earth in 2 ways

A
  1. Traps heat from the sun to sustain life

2. Shields earth from ultra violent radiation and burns up meteoroids

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8
Q

Mixture of the gases up to 50 miles

A

Homosphere

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9
Q

Layers of gases above 50 miles seperated by their density>heaviest is nitrogen at the bottom

A

Heterosphere

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10
Q

Lowest layer up to 10 miles where weather occurs> temps vary but will definitely decrease with attitude=the lapse rate-drops 3.5 every 1,000 feet up to 6.8 miles then steady at -67*

A

Troposphere

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11
Q

Second layer extending up to 31 miles>temp increases as you go up-67* to 32* at the top

A

Stratosphere

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12
Q

Weather is so complex that it is impossible to predict it more than ____ in advance

A

2 weeks

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13
Q

The energy in a large thunder storm can be greater than the destructive power of an ____ ____

A

Atomic bomb

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14
Q

One lightning bolt can contain 100 million volts and can scorch the air to a temperature of 50,000 degrees which is __ times hotter than he surface of the sun

A

5

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15
Q

Troposphere means sphere of ____

A

Change

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16
Q

Stratosphere means sphere of ____

A

Layers

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17
Q

Today we have ___ international satellites in orbit watching the weather

A

17

18
Q

One third of the United States ____ depends on weather analysis

A

Economy

19
Q

Third layer up to 50 miles> now temp decreases again to -130>has high winds in many directions

A

Mesosphere

20
Q

Fourth layer up to 400miles> no shelter from solar radiation= very hot> extremely cold at night

A

Thermosphere

21
Q

Part of the stratosphere>ozone has absorbs harmful ultraviolet light

A

Ozone layer

22
Q

Part of the thermosphere electrical charges of gases allows reflection of radio waves=used to transmit the waves over long distances>microwave over is not affected by this & is used to communicate with satellites & spacecraft

A

Ionosphere

23
Q

Atomic particles trapped in the earths magnetic field>protects us from cosmetic & solar radiation causes that aurora borealis= northern lights

A

Magnetosphere

24
Q

Measure of the suns energy reaches the earth>roughly 60 to 75%

A

Solar constant

25
Q

The process of earth absorbing the suns radiation and then warming the air through infrared radiation

A

Green house effect

26
Q

The gases in the atmosphere that absorb the suns radiation and emit infrared radiation heating the air carbon dioxide/water vapor=green house gasses

A

Green house gases

27
Q

The process by which of transferring infrared radiation

A

Conduction

28
Q

Process by which energy is carried from one place to another=hot air is lighter=rises=replaced by cold air=wind & weather

A

Convection

29
Q

Is still forming Alaska

A

Glaciers and volcanoes

30
Q

It must be ____ and the sky must be ____

A

Dark, clear

31
Q

The northern lights are ________ from the ____

A

Charged particles, sun

32
Q

They are limited in supply and will __ __

A

Run out

33
Q

Burning them releases harmful wastes and

A

Gases

34
Q

Without a normal greenhouse effect our planet would be ___ degrees colder

A

60

35
Q

The condition in the atmosphere at any given time

A

Temperature

36
Q

Weight of gases in the atmosphere

A

Atmospheric pressure

37
Q

The amount of water vapor in the air

A

Humidity

38
Q

Total amount of water vapor a certain volume of air holds

A

Absolute

39
Q

The ratio of the amount of water the air does hold compared to the amount of water it can hold at a certain temperature

A

Relative

40
Q

Direction (from where it is coming from)> wind increasing the effectiveness of airs ability to evaporate moisture

A

Wind speed

41
Q

Water that falls from the sky to the surface

A

Precipitation

Simple Machines (3 decks)

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