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

Boundaries, Sea-floor spreading, continental drift

QuestionAnswer
Motion of Convergent boundaries Slam together
Motion of transform boundaries Grind past each other
What mineral is oceanic crust mainly composed of? Basalt
What mineral is continental crust mainly composed of? Granite
At which boundary does sea floor spreading occur? Divergent Boundary
At what boundary are volcanoes created? Convergent Boundary
Motion of convergent boundaries Pull apart
Who proposed the theory of continental drift? Alfred Wegener
Which type of seismic wave travels the fastest? P waves
What does the 'S' in S s waves stand for? Secondary
What motion do P waves cause objects to move in? Back and Forth
What type of seismic wave travels on the surface? L waves
Which earthquake scale measures damages? Mercalli Scale
What number does the mercalli scale go up to? 12
What is the S-P interval? The difference in arrival times between the P and S waves
How many seismic stations are needed to calculate the S-P interval? 3
What is the thickest layer of the Earth? The Mantle
Which elements are the core composed of? Nickel and Iron
What is the thinnest mechanical layer of the Earth? Lithosphere
In which layer of the Earth do convection currents occur? The Mantle
Created by: hcps-simonnc
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