Science - Atmosphere Flashcards

1
Q

In which layer of the atmosphere does the temperature actually rise as you elevate

A

stratosphere

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2
Q

what special layer does the stratosphere include that allows it to trap heat

A

ozone layer

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3
Q

what are two benefits of the ozone layer

A

traps heat, blocks UV radiation

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4
Q

what’s the difference between ozone and the oxygen we breathe

A

ozone has O3 and breathable oxygen is O2

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5
Q

over which continent does the ozone layer develop a hole for portions of the year

A

Antarctica

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6
Q

what was the gathering of nations that worked on developing a solution for the hole in the ozone by banning CFCs

A

Montreal Protocol

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7
Q

what does the magnetosphere protect Earth from

A

solar winds

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8
Q

what are the two main parts of the atmosphere based on how the gases are mixed up together

A

homosphere and heterosphere

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9
Q

where are the gases all mixed up together extending up to 80 km above the surface

A

homosphere

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10
Q

where are gases separated into layers

A

heterosphere

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11
Q

which layer does all life happen in

A

troposphere

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12
Q

where do all weather and clouds happen

A

troposphere

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13
Q

does the temperature rise or drop as you rise in altitude in the troposphere

A

drop

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14
Q

what are ribbons of high speed winds around the tropopause and help airline industries with travel

A

jet streams

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15
Q

plane contrails are formed when planes travel at the bottom of what layer

A

stratosphere

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16
Q

what is inside the stratosphere and actually makes the temperature rise as you go up in elevation

A

the ozone layer

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17
Q

what helps keep the earth warm and blocks UV rays from the sun

A

ozone layer

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18
Q

what is the coldest layer

A

mesosphere

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19
Q

meteors can come in and burn up in this layer

A

mesosphere

20
Q

which layer is made up of oxygen

A

thermosphere

21
Q

where is the ionosphere located

A

thermosphere

22
Q

what forms ions

A

the sun’s radiation separating molecules

23
Q

what forms the Northern and Southern lights

A

when ions hit each other

24
Q

where are satellites for television and communication

25
how far away is the earth from the sun
93 million miles
26
what three things do the sun give off
heat, visible light, and ultraviolet light
27
what percent of the ozone layer is in the stratosphere
90%
28
what is a very reactive and explosive form of oxygen
ozone
29
what is the polar vortex
the natural phenomenon when from August to November there is a hole over Antarctica in the ozone
30
what are solar winds
the constant flow of hot gases called plasma
31
lines of force extend between the two poles and create a magnetic field called . . .
the magnetosphere
32
what is the magnetosphere produced by
the liquid core of the earth moving
33
Dynamo theory
the magnetosphere was started based on processes that happen today and it assumes that the earth is very old and doesn't actually address what started everything
34
Rapid decay
the magnetosphere was started as a result of how the earth was created and it is weakening as time goes on
35
a mixture of gases that surrounds the earth and is held in place by gravity
atmosphere
36
the pressure of the atmosphere pushing down on the surface of the earth
atmospheric pressure
37
why do people have a harder time breathing at higher altitudes
there are less air molecules
38
what are the percents of air in our air
78% nitrogen, 21% oxygen, 1% other gases
39
what are some particles that float around in our air
dust, mineral, pollen, soil, ash, smoke, carbon monoxide, smog, spores, microscopic organisms, insect eggs
40
small organisms that float in our atmosphere
aeroplankton
41
what are three things nitrogen does
regulates oxygen levels, animals use it to form amino acids, it helps chlorophyll in plants
42
what help convert gaseous nitrogen into a form that plants can use
nitrogen fixing bacteria
43
what would too much oxygen result in
fires burning too quickly, metabolism rates would be too high
44
what is carbon dioxide useful for
plants need it for photosynthesis and it traps heat in the atmosphere
45