Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

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