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
share
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

ES. Ch 17 Vocab.

Vocab.

TermDefinition
continental drift wegener developed an idea
Pangaea a greek word that means all the earth, and suggest that Pangaea began to break apart about 200 mya
magnetometer small changes in magnetic fields
magnetic reversal happens when the flow in the outer core changes, and Earth's magnetic field changes direction
paleomagnetism is the study of the history of Earth's magnetic field.
isochron is an imaginary line on a map that shows points that have same age- that is, they formed at the same time.
seafloor spreading is the theory that explains how new ocean crust is formed at ocean ridges and destroyed at deep-sea trenches..
tectonic plate are huge pieces of crust and rigid upper mantle that fit together at their edges to cover Earth's surface
divergent boundary regions where two tectonic plates are moving apart
rift valley when continental crusts begins to separate, the stretched crust forms, a long, narrow depression
convergent boundary two tectonic plates are moving toward each other
subduction when two plates collide, the denser plate eventually descends below the other, less-dense plate in a process
transform boundary a region where two plates slide horizontally past each other
ridge push as the older portion of the sea floor sinks, the weight of the uplifted ridge is thought to push the oceanic plate toward the trench formed at the subduction zone in process
slab pull tectonic process associated with convection currents in Earth's mantle that occurs as the weight of the subducting plate pulls the trailing lithosphere into subduction zone.
Created by: selenamercado
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