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Physical Science > chapter 28.2 > Flashcards

chapter 28.2 Flashcards

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Biology 101 flashcards
1
Q

jet stream

A

is a narrow band of fast-moving, high-altitude air

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2
Q

coriolis effect

A

the apparent deflection of an object due to Earth’s rotation

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3
Q

air mass

A

is a large volume of air with uniform moisture and temperature throughout

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4
Q

weather front

A

air masses interact zones

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5
Q

how many jet streams are there in the world?

A

4

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6
Q

how many pressure systems are there?

A

2

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7
Q

what is the low pressure system known as?

A

a low (L)

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8
Q

what direction does a low pressure system flow?

A

counterclockwise

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9
Q

what are some results that a low pressure system cause?

A

air rises creating clouds and precipitation

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10
Q

what is a high pressure system known as?

A

a high (H)

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11
Q

which direction does a high pressure system flow?

A

clockwise

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12
Q

what are some results that a high pressure system cause?

A

air to sink and make skies clear

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13
Q

what are the four weather fronts?

A
  1. cold front
  2. warm front
  3. stationary front
  4. occluded front
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14
Q

what causes a cold front?

A

cold air forces warm air upward in a fast and chaotic manner which creates cumulus clouds

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15
Q

what is a cold front represented by on the news?

A

blue triangles

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16
Q

how are warm fronts created?

A

warm air rises gently above cold air

17
Q

what is the warm front represented by on the news?

A

half red looking circles

18
Q

how are stationary fronts created?

A

cold and warm air masses meet and neither front advances

19
Q

what is the stationary fronts represented by on the news?

A

alternated half red circles and blue triangles

20
Q

how are occluded fronts created?

A

fast moving cold fronts overtakes a slow warm front

21
Q

what is the occluded front represented on the news?

A

purple alternating triangles and half circles

Physical Science (16 decks)

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