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

Earth Science

E.S. Chapter 5 Section 1-2

TermDefinition
weathering The breaking down and changing of rocks at or near Earth's surfaced called __________
mechanical weathering _________ ________ occurs when physical forces break rock into smaller and smaller pieces without changing the rock's mineral composition
9% How much does liquid water expand when it freezes?
frost wedging When water freezes and expands, it enlarges the cracks. After many freeze-thaw cycles, the rock breaks into pieces. This process is called _____ _________
talus Sections of rock that are wedged loose may tumble into large piles called _____
unloading Large masses of rock may be exposed through uplift and erosion of overlaying rocks. When that happens, the pressure exerted on igneous rocks is reduced. This is known as ________.
water What is the most important agent of chemical weathering?
sulfur & nitrogen oxides Water in the atmosphere also absorbs ______ & ________ oxides
regolith Weathering, produces a layer of rock & mineral fragments called _______, which covers nearly all of Earth's land surface
soil texture ____ _______ refers to the proportions of different particle sizes
quickly sandy soils may drain and dry out too _______
difficulty Plants roots often have ________ penetrating soils that often contain a high percentage of clay and silt.
loams _____ are the best for plant growth as they retain water better and store more nutrients.
thicker The longer a soil has been forming, the _______ it becomes
climate What has the greatest effect on soil formation?
plants What is the main source of organic matter in soil?
rapidly Plants that die in tropical rain forest decompose ______ bc bacterial activity is high in hot & wet climates
gullies As more water enters the rills, they erode the soil further, creating trenches called _______
Created by: VickieJ10
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