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Air & Atmosphere

What is the most abundant gas in the atmosphere? Nitrogen
What instrument is used to measure air pressure? barometer
The layers of the atmosphere are classified according to changes in temperature
Name the four main layers of the atmosphere in order, beginning with the layer closest to earths surface. troposphere, stratosphere, mesosphere, thermosphere
In what layer of the atmosphere is the ozone layer found? stratosphere
In what layer of the atmosphere does weather occur? troposphere
Air pressure is greatest near Earth's surface and _____as the distance away from the surface increases. decreases
The force of air pushing on an area or surface is known as air pressure
Air pressure _____, as altitude increases. decreases
What is the warmest layer of the atmosphere? thermosphere
The distance above sea level is known as _____. altitude
In the troposphere, temperatures _____ as altitude increases. (increase or decrease) decrease
In which layer of the atmosphere would you find meteoroids? mesosphere
What two gases make up approximately 99% of earth's atmosphere? Nitrogen (78%) and Oxygen (21%)
What is the thin layer of gases surrounding Earth called? atmosphere
What tool is used to measure air temperature? thermometer
What is the layer of gases called that absorbs much of the the sun's harmful radiation before reaching Earth? the ozone layer
What is the type of energy received from the sun that may damage skin and cause cancer. ultraviolet radiation
What is the process called in which Earth's atmosphere traps heat energy? the Greenhouse Effect
Created by: lewisch