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McDowell Ch. 11
McDowell Ch. 11
21
Science
6th Grade
03/13/2010

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Cards

Term
air has mass and takes up space, then air is ?
Definition
Matter
Term
air surrounding the earth
Definition
atmosphere
Term
most abundant gas in the air
Definition
nitrogen
Term
amount of Oxygen in our air
Definition
about 21%
Term
layer of atmosphere where we live
Definition
troposphere
Term
layer of atmosphere where meteors normally burn up
Definition
mesosphere
Term
gas found in the ozone
Definition
O3
Term
rays of the sun the ozone blocks
Definition
Ultra-Violet or UV
Term
hottest layer of the atmosphere
Definition
thermosphere (therm=heat)
Term
where the negatively-charged particles attract and distort light (auroras)
Definition
Inosphere
Term
fast moving current of air above the troposphere
Definition
Jet-stream
Term
layer that contains the ozone
Definition
stratosphere
Term
coldest layer of the atmosphere
Definition
mesosphere
Term
if a planet or moon doesn't have an atmosphere it has no...
Definition
weather
Term
if a weather balloon goes higher and higher into the atmosphere it will...
Definition
POP (like Mr. Duckworth's belly)
Term
the air pressure (increases, decreases) as you move up through the atmosphere
Definition
DECREASES that is why the balloon pops
Term
what you might see in the thermosphere
Definition
satellites
Term
where would the tallest mountain in the world be in the atmosphere levels? (Mt. Everest)
Definition
troposphere
Term
spacecraft exit into space through this last section of the atmosphere
Definition
exosphere
Term
78% of the air we breathe
Definition
nitrogen
Term
the air pressure is pushing (in, out) on your eardrums during airline travel
Definition
OUT since the pressure is getting less as you ascend
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