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FML Global Science
wake up in the morning feeling like a ninth grade student whos gonna fail :(
53
Plant Sciences
9th Grade
02/23/2010

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Cards

Term
True or false ice is too cold to emit radiation
Definition
false
Term
When an object absorbs any form of radiation its temperature...
Definition
rises
Term
The cooler an object, the ____________ wavelenth it emits.
Definition
longer
Term
when energy increases, wavelength _______.
Definition
decreases
Term
Radio waves have a longer wavelength than gamma rays t/f
Definition
true
Term
Why does north america have colder temperatures in the winter and warmer in the summer?
Definition
bc of the way the earth rotates and insolation.
Term
The percentage of the total radiation that is reflected by a surface is called its
Definition
albedo
Term
Which gases are important heat absorbers in Earth's atmosphere?
Definition
co2 and water vapor
Term
The co2 content of the atmosphere has been _____________ for the last 50 years.
Definition
increasing
Term
What is temperature inversion and in what levels of the atmosphere does it occur?
Definition
when the temperature of the atmosphere increases with altitude, this occurs in the troposphere
Term
What are the four levels of teh atmosphere in increasing order?
Definition
Troposphere, stratosphere, mesosphere and thermosphere
Term
What are the 3 transistional levels of the atmosphere?
Definition
Tropopause, Stratopause, Mesopause
Term
In what layer of the atmopshere is ozone concentrated?
Definition
Stratosphere
Term
What is the process where h20 changes from a solid to a gas?
Definition
sublimation
Term
What is the energy released during condensation called?
Definition
deposistion
Term
Whenever air expands, its temperature _________
Definition
drops
Term
When air is forced to rise over unstable elements it is called what?
Definition
orographic lifting
Term
As altitude increases, air pressure ____.
Definition
decreases
Term
Heat makes air molecules move __________.
Definition
faster
Term
Warm air weighs __________ than cold air, and why?
Definition
less because there are less air molecules tehre
Term
Cool air has _________ pressure than warm air.
Definition
more
Term
Moist air weighs ___________ than dry air.
Definition
less
Term
Dry air has ________ pressure than moist air.
Definition
more
Term
The higher you go, the ______ air there is.
Definition
less
Term
What force is the result of earths rotation and causees the air to be deflated to the right of its path in the Northern Hemisphere?
Definition
The coriolis force
Term
Lines connected to the places of equal air pressure are called what?
Definition
Isobars
Term
Cyclones, or lows, are associated with what kinds of surface winds and air?
Definition
HIGH surface winds and RISING air.
Term
Anticyclones or highs are associated with what kinds of surface winds and air?
Definition
rising winds and dry air.
Term
What kinds of weather are cyclones associtaed with?
Definition
bad weather. oh damn.
Term
What kinds of weather are anticyclones associated with?
Definition
fair weather.
Term
A falling barometer = what kind of weather?
Definition
BAD weather.
Term
Gases are made up of what?
Definition
atoms and molecules
Term
What is a huge body of air that covers a very large area?
Definition
Air Mass
Term
Places within the area of an air mass often have the same what?
Definition
humidity, moisture, and temperature.
Term
What kind of front moves more rapidly?
Definition
cold fronbt
Term
What kind of front makes temperatures rise?
Definition
warm front
Term
What is the border between air masses called?
Definition
an air front, beeyotch.
Term
What clouds are high and wispy?
Definition
cirrus
Term
What clouds are responsible for thunderstorms?
Definition
Cumulonimbus
Term
What are the last clouds that you see along a warm front?
Definition
Stratus
Term
What are the first clouds taht you see along a warm front?
Definition
Cumulus
Term
What clouds warn of rain or snow?
Definition
Cirrus
Term
What are low lying clouds?
Definition
Cumulus
Term
Most weather comes from
Definition
air masses
Term
Usually precipitation from a warm front lasts how long?
Definition
several days
Term
After a warm front passes, does the weather become colder of warmer?
Definition
warmer
Term
Are cold fronts typically twice as steep as warm fronts?
Definition
yes
Term
In a warm front, what pushese out the cold air?
Definition
the warm air
Term
What is wind the result of?
Definition
horizontal differences in air pressure
Term
the higher you go, the __________ your air pressure.
Definition
weaker
Term
Warm air molecules are....
Definition
close together,
Term
What three things can change air pressure?
Definition
temperature, height above sea level, and the amount of water vapor in the air.
Term
Is moist air lighter than dry air?
Definition
yes
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