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Science 8th > 8.3-8.4 Notes > Flashcards

8.3-8.4 Notes Flashcards

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1
Q

What is the driving force of the water cycle

A

Suns energy

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2
Q

As the water evaporates what increases

A

Humidity

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3
Q

What type of air holds more water and what type of air holds less water

A

More: hot
Less:cold

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4
Q

The amount of water vapor present in the air is dependent on

A

The amount of water vapor that has been evaporated

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5
Q

The amount of water vapor in the air can possibly hold is totally dependent on

A

The temperature of the air itself

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6
Q

Direct proportion

A

As the temperature of the air increases the amount of water vapor that the air can hold will also increase

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7
Q

Relative humidity formula

A

Present air humidity/saturated air humidity and times 100

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8
Q

What determines the dewpoint

A

Relative humidity

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9
Q

Define dew point

A

The temperature at which air must cool to be saturated

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10
Q

Air temp dropping below the dew point causes what to form

A

Clouds

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11
Q

How does snow form

A

When temperatures are cold that water vapor changes to solid

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12
Q

Where does hail form

A

Cumulonimbus clouds

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13
Q

Rain gauge

A

Measures precipitation

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14
Q

Air mass areas are called

A

Source regions

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15
Q

When 2 masses meet what forms

A

A front

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16
Q

And high pressure areas what happens to the air

A

Descends and doesn’t form clouds

17
Q

What happens in low pressure areas

A

Air rises and cools and makes clouds

18
Q

What controls the movement of storms

A

Jet stream

19
Q

What causes flash flooding 🔥

A

Runoff

20
Q

Most powerful storms on earth🔥

A

Hurricane

21
Q

Why don’t hurricane form at higher latitudes🔥

A

Water is too cold

22
Q

How does a hurricane form🔥

A

Thunderstorm that splits by winds causing the storm to spin

23
Q

Where do hurricane get there energy 🔥

A

Condensation of water vapor

24
Q

In a hurricane what is around the eye🔥

A

Eye wall

25
Q

In a hurricane what had the strongest winds 🔥

A

Eye wall

26
Q

In a hurricane what does the most damage🔥

A

Storm surge

27
Q

What is a storm surge🔥

A

A rise in local sea level near the shore due to strong winds from the hurricane

28
Q

Angle of the sun during summer and winter🔥

A

Summer: 90°
Winter: less then 45°

29
Q

Differential heating of the earth by the sun creates🔥

A

Convection

30
Q

Cold front and example

A

Cold air moves under warm air

Thunderstorms

31
Q

Warm front and example

A

Warm air moves over cold air

Rain

32
Q

Occluded front and example

A

Warm air is caught between 2 cold air masses

Snow

33
Q

Stationary front and example

A

Cold front meets warm front but is too weak to move it

Maybe rain

34
Q

What can low pressure bring

A

Rain

35
Q

What does high pressure bring

A

Light winds and blue sky’s

36
Q

How do low pressure and high pressure look like

A

Low pressure

High pressure

37
Q

Why does low pressure systems bring bad weather

A

As air rises, it moistens bringing rain

38
Q

Why do high pressure systems bring good weather

A

Sinking air means the drying of air

39
Q

How much is earth tilted in its axis

A

23.5 degrees

Science 8th (35 decks)

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