weather and water. evaporation the process in which liquid water becomes water vapor
TRANSCRIPT
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WEAT
HER AND W
ATER
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EVAPORATIONThe process in which liquid water becomes water vapor
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HUMIDITYThe water vapor in the air
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RELATIVE HUMIDITYThe amount of water vapor in the air compared to the amount of water vapor needed to saturate the air at a give temperature; expressed as a percentage
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CONDENSATIONThe process in which water vapor becomes liquid water
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CONDENSATION NUCLEUS
A small particle on which water vapor condenses
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CLOUDA visible accumulation of water on condensation nuclei, either as liquid or ice, usually high in the air
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PRECIPITATIONAny form of water that falls from the sky/clouds
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RAINLiquid form of precipitation. It stays liquid from beginning to end.
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SLEETPrecipitation that starts out as a liquid but freezes on the way down from the cloud to the Earth.
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HAILPrecipitation in the form of balls of ice. Freezes in the clouds
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FREEZING RAINLiquid precipitation that freezes on contact once it has landed on surfaces on Earth (Cars, trees, grass, concrete)
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ENTRANCE C
ARD
ASSESSMENT
APRIL
24, 2013
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QUESTION 1
What is the process in which water vapor becomes liquid water called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 2
What is the process in which liquid water becomes water vapor called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 3
What does water vapor attach too to become liquid water again
A)CloudB)Condensation Nucleus (Nuclei)C)PrecipitationD)None of these are correct
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QUESTION 4
What is any form of water that falls from the sky/cloud called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 5
What falls from the sky as water and freezes before it reaches Earth?
A)HailB)RainC)SleetD)Freezing Rain
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ENTRANCE C
ARD
ASSESSMENT ANSW
ERS
APRIL
24, 2013
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QUESTION 1
What is the process in which water vapor becomes liquid water called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 2
What is the process in which liquid water becomes water vapor called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 3
What does water vapor attach to to become liquid water again
A)CloudB)Condensation Nucleus (Nuclei)C)PrecipitationD)None of these are correct
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QUESTION 4
What is any form of water that falls from the sky/cloud called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 5
What falls from the sky as water and freezes before it reaches Earth?
A)HailB)RainC)SleetD)Freezing Rain
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RUN OFFWhen rain lands or snow melts and the water flows, it carries with it anything it touches.For example:
-Oil from shingles on the house
-Fertilizers-Dirt/sand
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PHOTOSYNTHESISA process used by plants to convert water, carbon dioxide, and sunlight into carbohydrates and oxygen.
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TRANSPIRATIONThe release of water from plants as a product of photosynthesis.
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TEMPERATUREA measure of kinetic energy of the molecules of a material or substance.
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THERMOMETERAn instrument to measure temperature
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DEW POINTThe temperature at which a volume of air is saturated with water vapor; condensation occurs when the temperature drops below the dew point.
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DEWWater that condenses on surfaces when the temperature drops below the dew point.
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FROSTFrozen dew. This occurs when the dew point is below 0
o
C (32o
F)
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WAT
ER CYC
LE P
ROJECT
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CRITERIAIn any means you deem school appropriate, i.e.: Song, Comic, Video, Rap, creative story,
etc. NOT AN ESSAY!!!tell the story of a drop of water as it goes
through the water cycle. The story must start and end in a toilet. The story must include:
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DUE DATE
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WAT
ER CYC
LE Q
UIZ
APRIL
24, 2013
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QUESTION 1
What is the process in which water vapor becomes liquid water called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 2
What is the process in which liquid water becomes water vapor called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 3
What does water vapor attach too to become liquid water again
A)CloudB)Condensation Nucleus (Nuclei)C)PrecipitationD)None of these are correct
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QUESTION 4
What is any form of water that falls from the sky/cloud called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 5
What falls from the sky as water and freezes before it reaches Earth?
A)HailB)RainC)SleetD)Freezing Rain
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QUESTION 6
What happens when the temperature falls below the dew point?
A)The air absorbs more water vapor and it condenses into clouds
B)The air absorbs more water vapor and it condenses onto any surface
C)The air releases water vapor and it condenses into clouds
D)The air releases water vapor and it condenses onto any surface.
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QUESTION 7
A)The higher the temperature the less water vapor the air can hold before it is saturated
B)The lower the temperature the less water vapor the air can hold before it is saturated
C)Temperature does not affect how much water vapor the air can hold
Which statement is true?
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QUESTION 8
What is relative humidity?
A)The amount of water vapor needed to saturate the air half way
B)The amount of water vapor in the air compared to how much is needed to saturate the air
C)The amount of condensation on surfaces compared to the amount of water vapor in the air.
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QUESTION 9
What is true about convection?
A)Air rises from an area of extreme heating until it cools then falls back to Earth.
B)Air rises from an area of extreme cooling until it heats up and then falls back to Earth
C)Convection is a process that is not understood by scientists.
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ENTRANCE C
ARD
ASSESSMENT ANSW
ERS
APRIL
8, 2013
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QUESTION 1
What is the process in which water vapor becomes liquid water called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 2
What is the process in which liquid water becomes water vapor called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 3
What does water vapor attach to to become liquid water again
A)CloudB)Condensation Nucleus (Nuclei)C)PrecipitationD)None of these are correct
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QUESTION 4
What is any form of water that falls from the sky/cloud called?
A)EvaporationB)PrecipitationC)CondensationD)None of these are correct
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QUESTION 5
What falls from the sky as water and freezes before it reaches Earth?
A)HailB)RainC)SleetD)Freezing Rain
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QUESTION 6
What happens when the temperature falls below the dew point?
A)The air absorbs more water vapor and it condenses into clouds
B)The air absorbs more water vapor and it condenses onto any surface
C)The air releases water vapor and it condenses into clouds
D)The air releases water vapor and it condenses onto any surface.
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QUESTION 7
A)The higher the temperature the less water vapor the air can hold before it is saturated
B)The lower the temperature the less water vapor the air can hold before it is saturated
C)Temperature does not affect how much water vapor the air can hold
Which statement is true?
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QUESTION 8
What is relative humidity?
A)The amount of water vapor needed to saturate the air half way
B)The amount of water vapor in the air compared to how much is needed to saturate the air
C)The amount of condensation on surfaces compared to the amount of water vapor in the air.
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QUESTION 9
What is true about convection?
A)Air rises from an area of extreme heating until it cools then falls back to Earth.
B)Air rises from an area of extreme cooling until it heats up and then falls back to Earth
C)Convection is a process that is not understood by scientists.
![Page 58: WEATHER AND WATER. EVAPORATION The process in which liquid water becomes water vapor](https://reader036.vdocuments.net/reader036/viewer/2022062404/551699e2550346f0208b49f6/html5/thumbnails/58.jpg)
What is weather?
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WEATHER• The state of the atmosphere at
a given time• A description of the weather
includes observations and measurements of temperature, precipitation, air pressure and cloud cover.
• Weather changes from day to day and season to season
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• Is our weather normal for this time of year?
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CLIMATE• Weather conditions over a
long time.• Climate helps to describe a
region• Climates change, but over
years or centuries not days
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SEVERE WEATHER• Weather that is
dangerous or causes damage
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• Name some types of severe weather
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SEVERE WEATHER• Tornados• Hurricanes/Cyclones• Thunderstorms/floods• Blizzards• Dust storms
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HURRICANES• Form over oceans• Water temperature of 27
degrees C (81 degrees F)• Low pressure• Cause damage due to
wind and water
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METEOROLOGY• The study of Earth’s weather
• A person who studies weather is called a Meteorologist
• What do we call someone who studies the climate?
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WEATHER TOOLS• Thermomete
r• Hygrometer• Wind Vain or
compass• Anemometer• Barometer• Visibility
• Temperature
• Humidity• Wind
direction• Wind
speed• Air
pressure• Fixed point
in the distance
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TEMPERATURE
• Average kinetic energy• How hot/cold the air is
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HUMIDITY
• The amount of water vapor in the air
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WIND DIRECTION
• The direction the wind is coming from
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WIND SPEED
• How fast the wind is blowing
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AIR PRESSURE
• The force of air pushing in all directions
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VISIBILITY
• The distance a person can see through the air.
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OUR ATMOSPHERE• Permanent
Gases• 78%
Nitrogen• 20% Oxygen• And other
gases
• Variable Gases
• 0 – 7% Water Vapor
• 0.01 – 0.1 % Carbon Dioxide
• And other gases
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ATMOSPHERE• Many Layers• Troposphere: • Closest layer• Where weather occurs
• Stratosphere:• 10-50 KM above Earth• Ozone layer• Jet Stream• Airplanes fly here
•
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ATMOSPHERE CONTINUED• Thermosphere: • Least understood• Air is very thing• Region of the atmosphere
first heated by the Sun• Up to 1500 degrees C or
hotter• Ionosphere:• Large number of
electrically charged ions
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ATMOSPHERE PART 3
• Exosphere: • Atoms and molecules
escape into space• 300-600 KM above
Earth
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• What causes the seasons?
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• What ways is heat transferred?
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ConductionConvectionRadiation
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CONDUCTION
• Transfer of heat energy by touching
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CONVECTION
• The transfer of energy/heat though a fluid, like air
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RADIATION
• The transfer of heat/energy from a single source such as the Sun.
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AIR MASS
• A large body of air with uniform temperature and humidity.
• Air masses have distinct boundaries and can extend hundreds or thousands of KM over Earth’s surface
• Can reach up into the Troposphere
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3 TYPES OF AIR MASSES
• Tropical• Warm air
• Polar• Cold air• Arctic• Extremely cold air