Question | Answer |
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 |