science quiz Flashcards

memorize

1
Q

what is a weather report?

A

predictions of the weather

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2
Q

what variables can i expect from a weather report?

A

temp, air pressure, wind, precipitation rates, humidity

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3
Q

weather def

A

atmospheric conditions along with short term changes.

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4
Q

how is temp measured?

A

thermometer/sundial

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5
Q

what is air pressure?

A

weight of molecules in large air masses

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6
Q

how is air pressure measured?

A

barometer

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7
Q

what is used to measure wind speed?

A

anemometer

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8
Q

what is humidity?

A

the amount of moisture in the air

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9
Q

name different precipitations

A

rain, snow, sleet, hail

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10
Q

what is an air mass

A

large bodies of air that have uniform temps, humidity, air pressured

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11
Q

define maritime polar

A

air masses over water polar regions

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12
Q

define maritime tropical

A

air masses over water tropical regions

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13
Q

define continental polar

A

air masses over polar land

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14
Q

define continental tropical

A

air masses over tropical land

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15
Q

define arctic air mass

A

air masses over arctic land/water

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16
Q

how does high pressure system form?

A

low temp and molecules are closer togetherh

17
Q

how does low pressure system form?

A

high temp and molecules are farther apart

18
Q

what is a weather front?

A

a boundary between two air masses

19
Q

what is a cold front?

A

cold air moves towards warm air

20
Q

what is a warm front?

A

warm air moves towards cold air

21
Q

what is a stationary front?

A

boundary between two air masses stalls

22
Q

what is an occluded front?

A

cold front catches up with a warm front

23
Q

how do the different weather variables change as a cold front pass through?

A

many heavy storms go over, hail, sleet, snow, showers

24
Q

how do the different weather variables change as warm front passes through?

A

the temp goes up and there are stormy rains

25
Q

define meteorologist

A

a scientist who studies/predicts weather. they use several specific factors or variables, to define atmospheric conditions/changes

26
Q

define forecasting

A

predicting weather

27
Q

what is doppler radar

A

a radar that uses the doppler affect to find velocity of item compared to radar

28
Q

define climate

A

weather that stays the same over a long period of time

29
Q

what is the relationship between weather patterns/climate

A

weather = isn’t long lasting
climate = long lasting

30
Q

what is the biggest influence on climate?

A

the SUNNNNNN

31
Q

how does latitude effect climate?

A

different locations = diff climates

32
Q

define rain shawdows

A

when mountains block a rain cloud from coming on the other side, the other side doesn’t get any rain

33
Q

how did death valley form?

A

it was on the leeward side on the mountains

34
Q

how do oceans affect temps and precips on land

A

cuz high specific heat

35
Q

how do ocean currents affect climate

A

cold/warm ocean currents