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

Soil Vocabulary

soil the loose, weathered material on Earth's surface in which plants can grow
bedrock the solid layer of rock beneath the soil
humus a dark-colored substance that forms as plant and animal remains decay
fertility a measure of how well the soil supports plant growth
loam soil that is made up of about equal parts of clay, sand, and silt
pH scale measures acidity
soil horizon a layer of soil that differs in color, texture, and composition from the layers above or below it
topsoil a crumbly, dark brown soil that is a mixture of humus, clay, and other materials
subsoil usually consists of clay and other particles of rock, but little humus
decomposer the organisms that break the remains of dead organisms into smaller pieces and digest them with chemicals
Created by: Sam Pendo