EARTH'S ATMOSPHERE
LAYERS OF THE ATMOSPHERE
Energy in the Earth's Atmosphere
AIR PRESSURE
MISC.
100
the most abundant gas in the atmosphere
nitrogen
100
the layer where weather is found
troposphere
100

Sunburn can result from exposure from what type of radiation?

ultraviolet radiation

100

To calculate the density of a substance divide its mass by

volume

100
amount of mass in a given volume is this
density
200
the gas that makes up about 21% of the atmosphere
oxygen
200
where the ozone layer is found
stratosphere
200

A natural process that holds heat in Earth's atmosphere

Greenhouse effect

200
instrument that measures air pressure
barometer
200
this is the distance above sea level
altitude
300
excess of this gas contributes to global warming
carbon dioxide
300
the "hot layer" of the atmosphere
thermosphere
300

This is what happens when particles and gases in the atmosphere disperse

Scattering

300
this happens to air pressure as altitude increases
decreases
300

What is the freezing point on the Celsius scale

0 degrees

400
gas in the atmosphere that varies from place to place
oxygen
400
the layer of electrically charged particles
ionosphere
400

Some ultraviolet radiation is absorbed by what?

The ozone layer

400
as the density of air increases, the air pressure does this
decreases
400
this is made up of 3 atoms of oxygen
ozone
500
condition of the earth's atmosphere at a particular time and place
weather
500
the thickest layer of the atmosphere
thermosphere
500

Energy from the sun travels to Earth in the form of 

electromagnetic waves

500

The level of what element in a barometer falls as the air pressure falls

Mercury

500
gaseous form of H2O
water vapor