Science 11/12/25 Flashcards

1
Q

As elevation increases, what happens to pressure

A

It decreases

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2
Q

Thermometer

A

meseures temp

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3
Q

Sling psychrometer

A

meseures dew point temp

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4
Q

Barrometer

A

meseures pressure

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5
Q

Rain Guadge

A

Amount of rain

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6
Q

Amometer

A

Wind speed

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7
Q

wind vane

A

Direction of wind

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8
Q

What kind of air can hold the most water vapor

A

warm air (hummitity = warm)

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9
Q

What is saturation

A

The amount of water vapor that we held

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10
Q

What is dew point temp

A

The temp the air is when the air is saturated.

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11
Q

As temperature increases humidity ______

A

Decreases

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12
Q

As temp decreases, humidity _________

A

Increases

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13
Q

When does condensation happen

A

When air cools down below dewpoint temp (the air cant hold on to access water vapor) (condensation occurs)

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14
Q

What does condensation happen on

A

condensation nuclei

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15
Q

what is condensation nuclei

A

dust particles

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16
Q

Why is the wet bulb always lower then the dry bulb

A

Because of the cooling effect of evaporation

17
Q

why does warm air rises and cool air sink?

A

Warm air has more water vapor, therefore less dense and rises. If the air is moving up, the weight of the air is less (low pressure)

Cool air has less water vapor, therefore making it less dense and sinking. If the air is sinking, then the weight of the air is more (high pressure)

18
Q

What direction does wind blow

A

High pressure to low pressure

19
Q

What is sea breeze?

A

Occurs during the day, air over land is warmer and air over water is cooler. sea(high) to land (low)

20
Q

What is land breeze?

A

occurs during the night- air over land is cooler and air over water is warmer. blows from land(high) to sea(low)

21
Q

What pressure does participation occur

A

low pressure(wet)

22
Q

Clouds form at what pressure

A

low pressure(humid)

23
Q

Cold front

A
  • when a cold air mass moves into a region occupied by warm air
  • due to its density cold air acts like a snow plow and pushes warm air up
  • warm air cools quickly and releases precipitation
  • Strong storms but short lived over several hours
24
Q

Warm front

A
  • When a warm air mass moves into a region occupied by cold air
  • due to its density, warm air gradually flows on top of cold air
  • warm air cools slowly to a dew point and slowly releases precipitation

– gentle storms but long lived after several days

25
Q

Occluded front

A
  • When a warm air mass is caught in between two cold air masses
  • a combinaiton of a cold front uniting with a warm front
  • Wair air squeezed upward and reaches a dewpoint
  • String and gentle storms produced over several days
26
Q

Stationary front

A
  • cold air mass and warm air mass not interacting directly but sliding past one another in opposite directions
  • no participation produced
27
Q
A