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

Plate Tectonics

TermDefinition
mid-ocean ridge mountain range underwater
sea floor spreading molten rocks flows up through earth's crust and hardens into solid strips of new rock
subduction sinking ocean floor
ocean trenches undersea valleys
divergent boundary 2 plates spreading apart forming rift valleys and mid-oceanic ridges
convergent boundary 2 plates moving toward each other either pushing up when meet to form mountain or slip over each other
transform boundary changes to the land above and the ocean floor
stress a force that acts on rock to change its shape or volume
tension pulls on earth's crust to make it thinner half between has the most tension
compression squeezes rock until it bends or breaks
shearing rock pushed in opposite directions results in a bend or break
fault break in the rock of the Earth's crust or mantle
scale folds that bend up become mountains or folds downward become valleys
earthquake formed from plate movement causing shaking and trembling
seismographs measure the the earth's surface waves let you know how bad an earthquake
magnitude single number to measure the size of an earthquake determines the damage it may cause
tsunami tremendous wave produced by an earthquake or landslide
volcano structure that forms in earth's crust made of magma and molten material at earth's surface
magma molten mixture of rock, gases and water in the volcano
lava out of the volcano on earth's surface
hot spot area where lava frequently erupts
extinct dead volcano
dormant sleeping volcano
active immediate threat can erupt at anytime
Created by: cimino
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