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Gourgoulianis
Atmosphere
31
Science
7th Grade
04/10/2014

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Cards

Term
Atmosphere
Definition
Layer of gases that surrounds a planet
Term
O 2 is from what 1st organisms?
Definition
Algae
Term
The atmosphere is made up of what?
Definition
1) Nitrogen 78%
2) Oxygen 21%
3) Water vapor, carbon dioxide 1%
Term
Importance of atmosphere 1
Definition
Provides us with oxygen
Term
Importance of atmosphere 2
Definition
Stabilizes surface temperature (traps solar heat)
Term
Importance of atmosphere 3
Definition
Protects us from meteors (They burn up)
Term
Importance of atmosphere 4
Definition
Ozone layer protects us from harmful ways (UV)
Term
We live in what atmosphere layer?
Definition
Troposphere (Closest to Earth's surface)
Term
What happens as you move from one layer to another?
Definition
Temperature changes (Colder to hotter to colder)
Term
Atmospheric pressure
Definition
Pressure caused by air molecules above -Greatest at surface
Term
Ozone layer fact #1
Definition
Ozone (0 3) layer protects us against UV rays
Term
Ozone layer fact #2
Definition
Absorb energy from UV rays from the sun
Term
Ozone layer fact #3
Definition
Layer destroyed by CFCs (Found in aerosol sprays and refrigerators)
Term
Ozone layer fact #4
Definition
Ozone hole forming over Antarctica
Term
Ozone layer fact #5
Definition
Some governments have banned CFCs
Term
Where does all energy originates from?
Definition
The Sun
Term
What is heat?
Definition
Energy that flows from a hotter object to a cooler object
Term
What is Radiation?
Definition
Energy transferred by waves (getting a sunburn)
Term
What is Conduction?
Definition
Energy transferred by touch (burning our feet on hot pavement)
Term
What is Convection?
Definition
Energy transferred by currents (Air or water) (Warm air rising to the attic)
Term
What is Evaporation?
Definition
When water changes to water vapor
Term
What is Condensation?
Definition
When water vapor changes to water
Term
What is Precipitation?
Definition
When water droplets fall from clouds
Term
What is Run-off?
Definition
Water in streams and rivers
Term
What is Ground water?
Definition
Water undergrund
Term
True or False: Different areas of the Earth's surface heat up faster than other areas.
Definition
True
Term
True or False: Land heats up slower than water.
Definition
False: Land heats up faster than water
Term
True or False: Hot air rises and cold air sinks.
Definition
True
Term
What are Doldrums?
Definition
Areas near the equator with little wind
Term
What is the Jet Stream?
Definition
Stream of air near top of troposphere
Term
What are Trade Winds?
Definition
Middle latitudes
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