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Earth's Atmosphere
Lou Baker
27
Science
7th Grade
04/11/2014

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Term
atmosphere
Definition
layer of gases that surround a planet
Term
what makes up atmosphere
Definition
nitrogen, oxygen, other gases
Term
importance of atmosphere
Definition
provides oxygen
Term
importance of atmosphere
Definition
stabilizes surface temperature (traps solar heat)
Term
importance of atmosphere
Definition
protects us from meteors (they burn up)
Term
importance of atmosphere
Definition
ozone layer protects us from harmful rays
Term
what layer of atmosphere do we live in
Definition
troposphere
Term
what happens when you enter a different atmosphere
Definition
temperature changes
Term
atmospheric pressure
Definition
pressure caused by air molecules above
Term
ozone layer helps us because...
Definition
protects from UV rays
Term
ozone layer helps us because...
Definition
absorb energy from uv rays
Term
what is layer destroyed by
Definition
CFCs
Term
where is ozone hole forming
Definition
Antarctica
Term
what have govt's done
Definition
banned CFCs
Term
O is from ...
2
Definition
first organisms (algae)
Term
All energy comes from the...
Definition
Sun
Term
Heat
Definition
Energy that flows from a hotter object to a cooler object
Term
Radiation
Definition
Energy transferred by waves
Term
Conduction
Definition
Energy transferred by touch
Term
Convection
Definition
Energy transferred by currents
Term
Evaporation
Definition
When water changes to water vapor
Term
Condensation
Definition
When water vapor changes to water
Term
Precipitation
Definition
When water droplets fall from clouds
Term
Runoff
Definition
Water in streams and rivers
Term
Groundwater
Definition
Water in ground
Term
t/f water heats up faster than land
Definition
f land heats up faster than water
Term
t/f hot air rises and cold air sinks
Definition
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