Water In The Air Flashcards

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0
Q
How does water get from the earth's surface into the air:
a) through precipitation 
B) through condensation 
C) through evaporation
D) through run off
A

through evaporation

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1
Q

The condition of the atmosphere at a certain time and place called the

A

Weather

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2
Q
Clouds form in the process of 
A) precipitation 
B) evaporation 
C) condensation 
D) run off
A

Condensation

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3
Q
Rain snow sleet and hail are all forms of 
a) condensation 
B) evaporation 
C) precipitation 
D) run off
A

Precipitation

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4
Q

Water that flows across land and collects in rivers streams & the ocean is called

A

Runoff

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5
Q

What is the water cycle? describe the path of water through the cycle

A

Water goes from land, to air, then falls back to land and repeats

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6
Q

An instrument that measures relative humidity is

A

Psychrometer

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7
Q

The amount of water vapor in the air compared with the maximum it can hold at a given temperature is

A

Relative humidity

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8
Q

Air that holds all the water it can add a given temperature is

A

Saturated

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9
Q

The amount of water vapor in the air is

A

Humidity

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10
Q

What happens to air’s ability to hold water vapor as the air gets warmer

A

It increases, it changes as it gets warmer

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11
Q

What is the relative humidity of air that holds all the water it can at a given temperature

A

The relative humidity changes

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12
Q

What happens to the relative humidity if the amount of water vapor in the air stays the same but the air gets cooler

A

It changes

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13
Q

Explain how you would use a wetbulb thermometer and a dry bulb thermometer to find the relative humidity

A

You soak it and see how long it takes to evaporate

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14
Q

The changes state from the gas to liquid is called

A

Condensation

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15
Q

When air cools to a temperature at which it is saturated the air has reached its

A

Dew point

16
Q

Why do water droplets form on the outside of a glass of water

A

Because water vapor condenses into a liquid

17
Q

What are two ways in which air can become saturated

A

When water vapor is added to the air, and when it cools to it’s dewpoint

18
Q

What is a cloud made of

A

Tiny droplets of water or snow

19
Q

What are two ways in which clouds are classified

A

My form and by altitude

20
Q

Covers large areas and form in layers

A

Stratus clouds

21
Q

Found at high-altitudes & form when the wind is strong

A

Cirrus clouds

22
Q

Produce thunderstorms

A

Cumulonimbus clouds

23
Q

Have flat bottoms and often indicate Fair weather

A

Cumulus clouds

24
Q

Produce continuous rain

A

Nimbostratus clouds

25
Q

Prefix for clouds at middle altitudes

A

Alto-

26
Q

Prefix for clouds at high altitudes

A

Cirro-

27
Q

Water that returns to earth in liquid or solid form is

A

Precipitation

28
Q

A water droplet in a cloud becomes rain when it’s diameter increases to how many times its original size

A

100

29
Q

How does sleet form

A

When rain falls through a layer of freezing air

30
Q

How does snow form

A

When temperatures are so cold that the water vapor changes directly into a solid

31
Q

Why can hail become very large and heavy

A

Because water covers it and it goes up and down over and over