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

WEDS

weathering, erosion, deposition, soil

TermDefinition
weathering general term for breaking apart rocks
frost wedging a type of physical weathering where ice freezes in cracks, causing the cracks to expand
exfoliation type of physical weathering where the outer layer is stripped away, leaving a smooth dome shape.
abrasion when small rocks and sand rub against larger rocks, causing pieces to weather away (example - sphinx)
oxidation a type of chemical weathering causing minerals to "rust" when exposed to oxygen and moisture.
acid rain a type of chemical weathering where chemicals in the air mix with rain water
biological weathering when plant roots or burrowing animals cause rocks to crack or break
soil mixture of weathered rocks, air, water, mineral fragments, and decayed organic matter
humus decaying plants and animals; nutrition for plants
A horizon also known as topsoil; lots of humus and very little rock; usually dark color and fertile
B horizon also known as subsoil; contains less humus and is less fertile than A horizon; lighter in color
C horizon contains mostly weathered rock and little organic matter from plants and animals
bedrock unweathered rock (solid)
erosion the moving of rock from one place to another
deposition the laying down of rock; formations
delta fan shaped landform created when sediments are dropped at the mouth of a river
canyon landform created when a river weathers and erodes a deep V shape between two cliffs
sand dunes when sand is blown about and dropped in a pile
U-shaped valley a area of earth carved out by a large, slow moving glacier
No-till farming when plant material is left to decay after the harvest; used to reduce erosion
contour farming when farmers plant rows going across slopes and not going up/down. Used to reduce soil erosion
terracing when farmers build flat areas in the side of hill to plant crops; used to reduce soil erosion
Created by: MrsGoss
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