Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

9 Earth Science

TermDefinition
Atmosphere the layers of gases surrounding the planet
Biosphere all living things on Earth
Carbon cycle The natural process by which carbon atoms are exchanged and recycled between the atmosphere, biosphere, hydrosphere, and geosphere.
Fossil fuels fuels that contain the carbon of plants and animals that died and were preserved millions of years ago
Fossils the preserved remains of once-living organisms
Hydrosphere all the liquid water on the Earth’s surface
Lithosphere the land masses on Earth
Combustion A chemical reaction involving the combination of oxygen with a fuel source, resulting in the release of heat, light, and carbon dioxide (CO2)
Photosynthesis The process by which green plants and some other organisms use sunlight, carbon dioxide, and water to produce glucose and oxygen.
Respiration The metabolic process in living organisms that breaks down organic matter, such as glucose, to release energy.
Carbon Sink Any reservoir or process that absorbs more carbon dioxide from the atmosphere than it releases, thereby reducing the concentration of CO2 in the atmosphere.
Carbon Source Any reservoir or process that releases more carbon dioxide into the atmosphere than it absorbs, thereby increasing the concentration of CO2 in the atmosphere.
Fossil Fuel Carbon-rich energy sources formed from the remains of plants and animals that lived millions of years ago.
Carbon Reservoir A natural or artificial storage location where carbon is stored for long periods of time.
Created by: Bsutton22
Popular Earth Science sets

 

 



Voices

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:
Retries:
restart all cards