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
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

Chapter 7

Lessons 1,2,&3

TermDefinition
Pangaea ancient super continent, composed of land that forms today’s continents
continental drift hypothesis that continents are in constant motion
magnetic reversal event in which the magnetic field reverses direction
mid-ocean ridge mountain range located on the seafloor in the middle of the ocean
normal polarity today’s magnetic field; magnets orient themselves to point north
reversed polarity magnetic field in which magnets orient themselves to point south
seafloor spreading new oceanic crust forms at a mid-ocean ridge as old oceanic crust moves away
plate tectonics theory that Earth’s surface is made of rock plates that move with respect to each other
lithosphere cold rigid outermost rock layer of earth
divergent plate boundary where two tectonic plates separate
transform plate boundary where two plates slide by each other
convergent plate boundary where two plates collide
subduction sinking of a denser plate below a more buoyant plate at a convergent plate boundary
convection circulation of material caused by differences in temperature and density
ridge push force created by rising mantle of ocean ridges that creates potential for plates to move away from the ridge
slab pull force created by sinking of a plate, or slab, that pulls on the rest of the plate
Created by: dee27
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