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84 Cards in this Set
- Front
- Back
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What Is Water Neccesary For?
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All Life On Earth
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Where Did Life Start?
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In The Sea
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What Followed The Water Cycle? Where?
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Life Onto Land
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Name 7 Reasons Water Is Important.
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Makes Land Productive. Washing & Cleaning. Transportation/Spread Of Technology. Recreation/ Job & Industry. Energy. Keeps Earth Warm.
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What Do We Need To Have Water Exist IN All Three Forms?
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Proper Temperature
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What Is The Water Cycle?
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Water Changes States Many Times And Moves From Place To Place Around OZur Planet.
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During The Water Cycle Water Can Be Found In...
(Out Of 100 Years) |
Ocean - 98 Years
Glaciers (Snow & Ice)- 1.5 Yrs Lakes Rivers Plants Animals Undergound- 5.5 Monthes Atmosphere- 2 Weeks |
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How Much Of Earths Fresh Water Supply Does The Atmosphere Give?
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100%
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What Could Water Vapor In The Atmosphere Cover?
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The Entire Earth W. 2 Inches Of Rain
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What Is Fresh Water? (According To Nature)
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One Of Natures Least Reliable Gifts
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Name The Sources Of Moisture To The Atmosphere.
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Primary- Oceans
Secondary- Lakes Rivers Streams Groundwater Pants Animals Snow And Ice |
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What Is Evaporation?
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The Process By Which Water Changes To Water Vapor and Moves Into The Atmosphere
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Why Is Energy Needed To Change Water Vapor?
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Energy Spreads The Molecules Apart Allowing A Liquid To Become A Gas
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What Energy Causes Water To Evaporate?
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Heat Wind And Light
Sunlight-Radiant Energy Wind-Mechanical Warm Water- Thermal |
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Define Saturated
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When The Atmosphere is HOlding As Much Water As It Can
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What Can Hold More Water Vapor? Warm Or Cold Air?
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Warm Air
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When Water Evaporate...
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It Moves Into Tthe Atmosphere As Water Vapor
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Define Humidity
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Moisture In The Atmosphere
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Name The 2 Types Of Humidity
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Absolute Humidity- Tells Us How Much Water Vapor The Air Can Hold
Relative Humidity- Tells Us How Much Water Vapor Is In The air Compared to How Much Water Vapor The Air Can Hold |
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Realtive Humidity is Measured In ______ and Tells Us How Much ___ The Air is to Being _____
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Percent/Closer/Saturated
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Name the Two Insturments Used To Measure Relative Humidity
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HygroMeter- Water Shoelace
Sling Psychrometer- Scientist Use |
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What Is The Formula To Calculate Relative Humidty?
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RH= How Much Water Vapor In Air/ How Much Water Vapr Air Can Hold
RH= ih/ch |
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What Is Step One In Calculating Relative Humidity?
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Write The Formula
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What Is Step Two In Calculating Relative Humidity?
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Replace Variables With Numbers
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What Is Step Three In Calculating Relative Humidity?
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Simplify The Fraction
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What Is Step Four In Calculating Relative Humidity?
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Turn The Decimal Into A Fraction
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What Is Step Five In Calculating Relative Humidity?
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Turn The Decimal Into A Percent
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Define Condensation
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Process By Which Water Vapor Turns Back Into Water (or Ice)
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What Conditions Are Nessacary For Water To Condense?
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Air Must Be Saturated (Relative Humidity At 100%)
Solid Particles Must Be Present InThe Air Because Water Vapor Needs Something Solid To Condense Into |
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Dew Point
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When Saturation and Condensation Occur. (Temperature)
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Condensation Nuclei
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Solid particles Are Always Present In The Air Such As Dust Ash Smoke Salt Crystals ECT.
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Clouds Form When
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When Water Vapor Condenses In The Atmosphere.
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If Air Rises It...
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Cools
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What Are Three Things That Make Air Rise?
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Mountains
Low Pressure Warm&Cold Fronts |
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Two Things That Must Happned For Clouds TO Form
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Dew Point Is Reached
Condensation Nuclei Is Present |
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What Causes Cloud Formation and Condensation
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The Air's Up and Down Motions along with Available Moisture
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When Do Clouds Usually Form?
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When Warm And Cold Air Meet
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What Causes Different Zypes Of CLouds TO Form?
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Different Kinds Of Upward Motions
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Slow and Gradual Motions Cause
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Cool Weather And Produces Horizontal Formed Clouds
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Fast Motions Cause
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Warm Weather and Vertical
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What can Clouds Be Made Of
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Ice Crystals Or Water Droplets
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Water Crystal Clouds Are.
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Grey
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Ice Crystal Clouds
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Pure White w. Fuzzy Edges
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Cirrus Cloud
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High Altitude Feathery (Ice Crystals)
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Stratus Cloud
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Low Altitude Horizontally Fromed Clouds
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Cummulus Cloud
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Puffy Vertical Fromed. Fair Weather Clouds
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Cirro
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High Altitude
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Alto
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Middle Altitude
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Strato
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Low Altitude
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Nimbo-Numbus
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Precipitation
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Precipitation
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Water Falling From The Sky
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Precipitation
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Water or Ice Falling TO Earth From The Atmosphere
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What Weather Is Associated With Cumulonimbus Clouds
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Large Raindrops and Hail (Summertime Storm)
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What Weather Is Associated With NimboStratus
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Long Steady Rain and Sleet
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Name The Four Types Of Precipitation
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Rain Snow Sleet Hail
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Precipitiation Forms In Various Ways Depending On The Type Of
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Cloud
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Rain
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Water Droplets Combine Together Until They Became Heavy Enough To Fall Or When The Snow Melts On The Way Down
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Snow
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When Super Cooled Water Freezes Onto A 6-Sided Ice Crystal and The Falls To Earth
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Sleet
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When Rain Freezes On The Way Down
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Hail
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When Water Freezes In Layers Around The Nucleus Of Ice
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What Is Some Moisture Not Considered Precipitiation?
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Dew and Frost
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Wheather Is Controlled By Three Factors..
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Energy Moisture and Air Motions
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Weather Instrument: Energy (Heat) 2
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Thermometer (How Hot It Is)
Maximum/ Minimum Thermometer (Tells High And Low For Day) |
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Weather Instrument: Moisture 3
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Hygrometer Or Sling Physrometer- Humidity
Cloud Coverage- Doppler Radar, Satiletes |
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Weather Instruments: Air Motions 4
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Barometer- Air Pressure
Anemometer-Wind Speed Wind Vane- Wind Direction Wind Gauge- Measures Wind |
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Air Mass-
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LArge Parcel of air with uniforms characteristics throughout
Uniform Tempt Uniform Mositure |
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Air Mass Gets Its Charatieristics From Its
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Source Region
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Cp
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Polar Continental Forms Over Lands At High Laditude Cold & Dry
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Mp
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Polar MAritime- Forms Over OCeans At High Laditude Cold And Moist
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Ct
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Tropical Continental Forms Over Land At Low Laditude warm and Dry
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Mt
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Tropical Maritime Froms Over Oceans At Low Laditiudes Warm and Moist
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Why Is Mid Ladidtude Weather So Changable?
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Not A Surce Region For Air Masses
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Air Masses Move OVer U.S..
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Both North And South
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Our Weather...
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Depends Upon Which Air Mass Is Over Us
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Fronts
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Boundaries Between Air Masses
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Cold Front
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A Cold Air MAss Advacing Into A Warm One (Down Tri)
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Warm Front
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A Warm Air Mass Advancing INto A Cold Air Mass
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Occluded Fromt
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Warm Air Mass Sqeezed Between 2 Cold Ones
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Stationary Front
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A warm and cold front meeting but neither advacning
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At Every type of front..
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the less dense warm air rises and is forced Upward causing clouds and precip.
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Cyclones
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low pressure systems that form at fronts
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Large Cyclones..
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May Become Hurricanes
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Tornadoes
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Large Cyclones Formed In ThungerStorms (cumulonimbus clouds) rapid updrafts
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Name front symbles
cold warm occluded stationary |
(down triangles)
(semilcircles up) (tri-semi up) (down tri-Semi up) |
