ATMOSPHERE

EARTH'S ATMOSPHERE

100

the most abundant gas in the atmosphere

nitrogen

200

the gas that makes up about 21% of the atmosphere

oxygen

300

excess of this gas contributes to global warming

carbon dioxide

400

gas in the atmosphere that varies from place to place

oxygen

500

condition of the earth's atmosphere at a particular time and place

weather

LAYERS OF THE ATMOSPHERE

100

the layer where weather is found

troposphere

200

where the ozone layer is found

stratosphere

300

the "hot layer" of the atmosphere

thermosphere

400

the layer of electrically charged particles

ionosphere

500

the thickest layer of the atmosphere

thermosphere

AIR Mass

100

What type of air mass will cause a cold front?

polar

200

What characteristics are used to classify air masses?

temperature and humidity

300

An air mass that is warm and moist.

Maritime tropical

400

What is a boundary area where air masses meet but do not mix?

Fronts

500

Cold fronts often bring

cool temperatures and precipitation

AIR PRESSURE

100

Which types of winds cause weather in North Carolina?

Prevailing weatelies

200

instrument that measures air pressure

barometer

300

this happens to air pressure as altitude increases

decreases

400

as the density of air increases, the air pressure does this

decreases

500

What causes GLOBAL winds to move in all directions?

Coriolis effect

MISC.

100

This tool measures the amount of water vapor in the air.

Hygrometer

200

this is the distance above sea level

altitude

300

this is also known as Northern lights

aurora borealis

400

this is made up of 3 atoms of oxygen

ozone

500

gaseous form of H2O

water vapor