Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

Abiotic Cycles

The Water Cycle The continuous movement of water from the earth to the atmosphere and back to Earth.
Evaporation The process of water heating up and changing from a liquid to a gas.
Condensation The process of water vapor cooling and changing from a gas to a liquid.
Precipitation Water in different states that falls from the atmosphere back to Earth.
Transpiration Water vapor that enters the atmosphere from plant processes.
Respiration Water vapor that enters the atmosphere from living organisms.
Runoff Water that flows along the surface of the Earth.
Groundwater Water that moves underneath the Earth's crust.
Accumulation site A low area where water collects.l
The Carbon Cycle The movement of carbon through the living and non-living parts of the environment.
The Oxygen Cycle The movement of oxygen through the living and non-living parts of the environment.
Photosynthesis The process of plants removing carbon dioxide from the atmosphere and using it to make glucose.
The Nitrogen Cycle The movement of nitrogen through the living and non-living parts of the environment.
Nitrogen fixation The process of changing free nitrogen into a usable form of nitrogen by certain kinds of bacteria.
Created by: nbiegel



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

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