Science Flashcards Test #3

Question 1

_______- a layer of gases surrounding the earth

Answer 1

Atmosphere

Question 2

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

Answer 2

Gases

Question 3

Many ______ are in the atmosphere

Answer 3

Gases

Question 4

Makes up 78%

Answer 4

Nitrogen

Question 5

Makes up 21%

Answer 5

Oxygen

Question 6

is responsible for clouds and precipitation

Answer 6

Water vapor

Question 7

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

Answer 7

Carbon Dioxide

Question 8

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

Answer 8

aerosols

Question 9

the atmosphere is divided into _______

Answer 9

Layers

Question 10

__________ from the earth’s surface to about 10 km

Answer 10

troposphere

Question 11

__________ contains most clouds and weather

Answer 11

troposphere

Question 12

Most of the tropospheres ______ is from the earth

Answer 12

Heat

Question 13

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

Answer 13

Altitude

Question 14

__________ 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

Answer 14

Stratosphere

Question 15

_________ layers include the mesosphere thermosphere and the exosphere

Answer 15

Upper

Question 16

the coldest layer with little ozone

Answer 16

mesosphere

Question 17

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

Answer 17

troposphere

Question 18

contains few atoms and extends into space without a clear boundary

Answer 18

Exosphere/ionosphere

Question 19

makes up 70% of the earth’s surface

Answer 19

water

Question 20

________ _________ - water is in constant motion

Answer 20

Water cycle

Question 21

____ Provides the energy for the water cycle

Answer 21

sun

Question 22

water on the surface absorbs heat and ___________ entering the atmosphere

Answer 22

evaporates

Question 23

water vapor changes back into liquids

Answer 23

condensation

Question 24

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

Answer 24

precipitation

Question 25

the cycle _______ itself continually

Answer 25

repeats

Question 26

_________ clouds form between 2000 and 8000 m in altitude

Answer 26

middle

Question 27

most middle clouds are _______

Answer 27

Layered

Question 28

Middle clouds have the _______ prefix

Answer 28

alto

Question 29

middle clouds produce light ________

Answer 29

participation

Question 30

wispy high level clouds

Answer 30

cirrus

Question 31

high layered clouds that can cover the sky

Answer 31

cirrostratus

Question 32

known as thunderstorm clouds produce heavy precipitation

Answer 32

cumulonimbus

Question 33

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

Answer 33

precipitation

Question 34

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

Answer 34

Wind

Question 35

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

Answer 35

Coriolis effect

Question 36

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

Answer 36

surface winds

Question 37

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

Answer 37

Jet streams

Question 38

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

Answer 38

weather

Question 39

a measure of how fast air molecules are moving

Answer 39

temperature

Question 40

when molecules are moving rapidly temperature is ______

Answer 40

High

Question 41

Celsius and farenhight thermometers measure air _____________

Answer 41

Temperature

Question 42

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

Answer 42

transferred

Question 43

transfer of energy when molecules collide

Answer 43

Conduction

Question 44

occurs when warm air rises and cold air sinks

Answer 44

Convection

Question 45

air weight that varies over earth's surface

Answer 45

atmospheric pressure

Question 46

warmer air is less dense and exerts _____ pressure

Answer 46

Less

Question 47

Colder air is dense and exerts ______ pressure

Answer 47

more

Question 48

the amount of water vapor in the air

Answer 48

Humidity

Question 49

affects how much moister is in the air

Answer 49

temperature

Question 50

when air is holding as much water vapor as it can

Answer 50

dew point

Question 51

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

Answer 51

Relative Humidity

Question 52

Form when air rises cools to its dewpoint and becomes saturated

Answer 52

Clouds

Question 53

______ clouds form at 2000 m or less in altitude

Answer 53

low

Question 54

puffy clouds form when air currents rise and carry moisture

Answer 54

cumulus

Question 55

layered gray sheets that cover the entire sky

Answer 55

stratus

Question 56

low dark thick layers that hide the sun

Answer 56

Nimbostratus

Question 57

_________ __________ large body of air that develops over particular regions

Answer 57

Air mass

Question 58

Boundary's between different air masses

Answer 58

Front

Question 59

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

Answer 59

Cold front

Question 60

warm air slides up over the cold air mass widespread precipitation

Answer 60

warm front

Question 61

warm air mass and cold air mass meet but nether advances

Answer 61

stationary front

Question 62

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

Answer 62

occluded front

Question 63

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

Answer 63

high

Question 64

_____ pressure air rises and cool forming clouds and precipitation

Answer 64

low

Question 65

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

Answer 65

severe

Question 66

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

Answer 66

thunderstorms

Question 67

___________- violent whirling wind that moves in narrow path

Answer 67

tornado

Question 68

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

Answer 68

hurricane

Question 69

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

Answer 69

National weather services