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

Unit 2

Vocab

TermDefinition
Plate Tectonics a theory describing Earth's plates, including how they move about the Earth's surface
Alfred Wegener proposed the theory of the continental drift theory
Pangaea the supercontinent named by Wegener
Crust exterior layer of Earth
Lithosphere a massive, irregularly shaped slab
Asthenosphere layer lying beneath the lithosphere
Transform Boundary Plates move sideways in opposite directions
Sea-Floor Spreading the formation of new areas of oceanic crust, which occurs through the upwelling of magma at mid-ocean ridges and its subsequent outward movement on either side.
Convergent Boundary when the plates move together
Divergent Boundary when the plates move apart
rift valley A rift valley is a lowland region that forms where Earth's tectonic plates move apart, or rift.
subduction the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
Continental Drift Theory Wegener's theory that all continents had once been joined together in a single landmass and have drifted apart since.
trench
ocean basin Ocean basins are those areas found under the sea. They can be relatively inactive areas where deposits of sediment slowly collect or active areas where tectonic plates meet.
hot spot hot regions of Earth's mantle where magma occasionally rises to the surface and forms a volcano
mid-ocean ridge a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling of magma associated with seafloor spreading.
Ring of Fire The Ring of Fire refers to a geographical area of high volcanic and seismic activity around the edges of the Pacific Ocean. ... All along this ring, earthquakes and volcanic eruptions are common because of tectonic plate boundaries and movements
Created by: zariahc803
Popular 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