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Mason’s 6th grade > Science Flashcards Test #3 > Flashcards

Science Flashcards Test #3

1
Q

_______- a layer of gases surrounding the earth

A

Atmosphere

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2
Q

the atmosphere is composed of a mixture of _______ water and other liquids and microscopic particles of solids

A

Gases

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3
Q

Many ______ are in the atmosphere

A

Gases

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4
Q

Makes up 78%

A

Nitrogen

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5
Q

Makes up 21%

A

Oxygen

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6
Q

is responsible for clouds and precipitation

A

Water vapor

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7
Q

______ _________ keeps the earth warm and is used by plants to make food

A

Carbon Dioxide

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8
Q

_______ solids such as dust, salt, pollen, and tiny acid droplets in the atmosphere

A

aerosols

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9
Q

the atmosphere is divided into _______

A

Layers

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10
Q

__________ from the earth’s surface to about 10 km

A

troposphere

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11
Q

__________ contains most clouds and weather

A

troposphere

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12
Q

Most of the tropospheres ______ is from the earth

A

Heat

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13
Q

The temperature cools to about 6.5 degrees Celsius per kilometer of _________

A

Altitude

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14
Q

__________ from about ten km to 50 km above the earth’s surface this layer contains ozone that absorbs most of the sun’s ultraviolet rays

A

Stratosphere

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15
Q

_________ layers include the mesosphere thermosphere and the exosphere

A

Upper

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16
Q

the coldest layer with little ozone

A

mesosphere

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17
Q

warms as it filters out X-rays and gamma rays from the sun

A

troposphere

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18
Q

contains few atoms and extends into space without a clear boundary

A

Exosphere/ionosphere

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19
Q

makes up 70% of the earth’s surface

A

water

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20
Q

________ _________ - water is in constant motion

A

Water cycle

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21
Q

____ Provides the energy for the water cycle

A

sun

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22
Q

water on the surface absorbs heat and ___________ entering the atmosphere

A

evaporates

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23
Q

water vapor changes back into liquids

A

condensation

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24
Q

clouds of water become heavy and water falls to the earth in ________

A

precipitation

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25
Q

the cycle _______ itself continually

A

repeats

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26
Q

_________ clouds form between 2000 and 8000 m in altitude

A

middle

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27
Q

most middle clouds are _______

A

Layered

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28
Q

Middle clouds have the _______ prefix

A

alto

29
Q

middle clouds produce light ________

A

participation

30
Q

wispy high level clouds

A

cirrus

31
Q

high layered clouds that can cover the sky

A

cirrostratus

32
Q

known as thunderstorm clouds produce heavy precipitation

A

cumulonimbus

33
Q

______ - falling water in the form of rain sleet snow and hail

A

precipitation

34
Q

_____________ - air moving from one temperature or pressure area to another

A

Wind

35
Q

______ ________- deflected air moves to the right in the northern hemisphere and the left in the southern hemisphere

A

Coriolis effect

36
Q

_________ ______ - include trade winds near the equator the westerlies from about 30 degrees to 60 degrees latitude north and south of the equator

A

surface winds

37
Q

band of strong winds near the top of the troposphere at the northern and southern boundary

A

Jet streams

38
Q

the atmosphere condition in terms of temperature air pressure cloud cover wind speed and humidity

A

weather

39
Q

a measure of how fast air molecules are moving

A

temperature

40
Q

when molecules are moving rapidly temperature is ______

A

High

41
Q

Celsius and farenhight thermometers measure air _____________

A

Temperature

42
Q

energy is _________ between fast-moving molecules and slow-moving molecules

A

transferred

43
Q

transfer of energy when molecules collide

A

Conduction

44
Q

occurs when warm air rises and cold air sinks

A

Convection

45
Q

air weight that varies over earth’s surface

A

atmospheric pressure

46
Q

warmer air is less dense and exerts _____ pressure

A

Less

47
Q

Colder air is dense and exerts ______ pressure

A

more

48
Q

the amount of water vapor in the air

A

Humidity

49
Q

affects how much moister is in the air

A

temperature

50
Q

when air is holding as much water vapor as it can

A

dew point

51
Q

a measure of the amount of water vapor present compared to the amount that could be held at a specific temperature

A

Relative Humidity

52
Q

Form when air rises cools to its dewpoint and becomes saturated

A

Clouds

53
Q

______ clouds form at 2000 m or less in altitude

A

low

54
Q

puffy clouds form when air currents rise and carry moisture

A

cumulus

55
Q

layered gray sheets that cover the entire sky

A

stratus

56
Q

low dark thick layers that hide the sun

A

Nimbostratus

57
Q

_________ __________ large body of air that develops over particular regions

A

Air mass

58
Q

Boundary’s between different air masses

A

Front

59
Q

cold air masses push under warm air masses can cuase a narrow band of violent storms/ temperature drop

A

Cold front

60
Q

warm air slides up over the cold air mass widespread precipitation

A

warm front

61
Q

warm air mass and cold air mass meet but nether advances

A

stationary front

62
Q

fast moving cold front overpower slow moving warm front of vice versa ; cloudy weather with precipitation`

A

occluded front

63
Q

______ pressure : air sinks and spreds away from the high pressure center moister can not rise.

A

high

64
Q

_____ pressure air rises and cool forming clouds and precipitation

A

low

65
Q

_______ weather - cause strong winds and heavy precipitation can threaten the property of life

A

severe

66
Q

__________ __________ develop from cumulonimbus clouds that form along cold fronts can have strong winds dangerous hail lightning and thunder

A

thunderstorms

67
Q

___________- violent whirling wind that moves in narrow path

A

tornado

68
Q

large storms that begins in a area of low pressure over tropical oceans

A

hurricane

69
Q

the ________ ____________ _________ monitor weather and issued watches when severe weather is a potential threat and warnings when severe weather is an actual threat

A

National weather services

Mason’s 6th grade (37 decks)

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