Level 2
Level 1

Atmosphere Terms


26 words 0 ignored

Ready to learn       Ready to review

Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

All None

Ignore?
Atmosphere
the envelope of essential gases that surround Earth
Altitude
the distance above sea level
Ozone layer
found in the stratosphere, helps protects us from the sun’s harmful ultraviolet (UV) rays.
Troposphere
inner or lowest layer of Earth's atmosphere, where we live and weather occurs
Stratosphere
2nd layer of Earth's atmosphere, contains the ozone layer
Mesosphere
3rd layer of the atmosphere, where meteors burn up
Thermosphere
4th layer of the atmosphere, includes a sub layer, leads to outer space
Density
the amount of material contained within a space
Humidity
the amount of water vapor in the air
Thermo
means hot
Carbon Cycle
Animals breathe in oxygen and breathe out carbon dioxide, then plants breathe in carbon dioxide and release oxygen
Nitrogen cycle
Microorganisms remove nitrogen from the air, change it into other chemicals, release it into the soil, then living things use this nitrogen and when they die it returns to the soil
Exosphere
the outermost edge of the atmosphere
Water Cycle
Precipitation, run off, evaporation, condensation
Convection
energy moving by heated gases and liquids, hot air rising and cool air sinking
Nitrogen
makes up 78% of the atmosphere
Oxygen
makes up 21% of the atmosphere
Conduction
energy that travels from one substance to another by direct contact, walking barefoot on hot sand
Radiation
Energy that travels in waves, sunlight warming the Earth
other gases
make up 1% of the atmosphere
Ultraviolet Radiation
causes sunburn, lots of energy
Infrared Radiation
low energy, night vision goggles
Greenhouse Effect
gases in the atmosphere keep energy close to the Earth's surface
Air Pollution
smoke and other harmful particles that are added to otherwise healthy air
Smog
smoke + fog
Particulates
tiny particles or droplets that are carried in the air, like smoke, dust, pollen, salt