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 3 mreview

unit 3 midterm review

QuestionAnswer
what evidence was used to support Wegener's hypothesis of continental drift? puzzle like fit of continental coastlines. fossil evidence. mesosaurus. paleoclimatolgy.
how did sonar, magnetism, and the study of ocean rocks lend support to the seafloor spreading theory? magnetic reversals.
what information do magnetic patterns on the ocean give about the ocean floor?
what does plate tectonics theory state? earths outer layer is 100km thick shell of brittle rigid rock that is broken in sections called plates.
define Pangaea
what occurs at convergent boundaries and what kind of features are found at these plate boundaries? places where 2 tectonic plates are moving towards each other
what occurs at divergent boundaries and what kind of features are found at these plates? they move away from each other. mid ocean ridges
define lithosphere , asthenoshpere, rift valley , island arc, tsunami , trench rift valley-divergent boundary on a continent. island arc- series of volcanoes formed on a continental plate.
what process operating in the mantle causes the plates to move?
what is the ring of fire?
what is a hot spot?
what is the general term for rock fragments ejected from a volcano? Tephra
how do P waves , s waves and surface waves travel? in which order do they arrive and are recorded on the seismogram? p waves- through earths interior. s waves- side to side waves surface- at surface. up and down as they pass rock at the surface and side to side. p waves, s waves, surface
define focus , epicenter, lag time focus- the point underground where an earthquake originates usually several km's. epicenter-
use the time travel graph to find the distance to the earthquake epicenter.
how many seismometer stations are needed to locate the epicenter of an earthquake?
Created by: dk7
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