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Physical Science > 28.2 > Flashcards

28.2 Flashcards

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1
Q

jet stream

A

narrow band of fast moving high altitude devolpment

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2
Q

coriois effect

A

the apparent of an object due to earth rotation

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3
Q

air mass

A

large volume of air with uniform moisture and temperature

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4
Q

Weather fronts

A

air masses interact in zones

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5
Q

how many jet streams

A

4

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6
Q

how many pressure systems

A

2

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7
Q

what is climate

A

a long term weather

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8
Q

what is weather

A

day to day condition

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9
Q

5 spheres

A

atmosphere biosphere cryosphere hydrosphere lithosphere

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10
Q

what are the spheres

A 
atmo- air 
bio-organic
hrydro-water
cryo-ice 
litho-outermost layer
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11
Q

where is the solar radiation most intense

A

The equator

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12
Q

global warming

A

an increase of average tempertures

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13
Q

el nino

A

warming of pacific ocean

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14
Q

la nina

A

winds make the pacific ocean colder

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15
Q

hemisphere in summer

A

titled to sun

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16
Q

hemisphere in winter

A

tilted away from sun

17
Q

when earth was coverd in ice

A

ice age

18
Q

How long ago did the world hit its current pattern

A

3,000

18
Q

How long ago did the world hit its current pattern

A

3,000

19
Q

factors of climate change

A

the axis of rotation the shape of orbit and timing of seasons

20
Q

how do humans create climate chNge

A

energy consumption deforestation and industrial and agricultural practice

21
Q

what is deforestation

A

the mass removal of forest land and trees

22
Q

what is the carbon cycle

A

affected by loss of vegetation

23
Q

What are two things that affect gravity

A

Mass and distance

24
Q

What does the magnetic field do

A

Protects us from solar radiation

25
Q

Which magnetic pole is in the northern hemisphere

A

the southern

26
Q

What are the switches called

A

magnetic reversals

27
Q

How often do they happen

A

200000 years

28
Q

When was the last one

A

78000 years ago

29
Q

what are the auroras named

A

aurora borealis and aurora australis

Physical Science (6 decks)

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