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

science chap 8

science chapter 8 definition quiz

TermDefinition
Earthquake when energy is released suddenly by the actions of rocks breaking or moving, the moving that follows causes vibrations
fault when rocks are pulled apart and change shape
strike slip fault when rocks are compressed into a new shape
seismic waves earthquake waves moving throughout the earth
primary and secondary waves travel in all directions through the earth's interior
surface waves travel at shallow depths and along the Earth's surface; makes most damage
focus the point inside the earth where the wave movement first occurs; energy is released
magnitude the amount of energy released by an earthquake
epicenter the point on earths surface directly above the focus
seismograph instrument used to obtain a record of seismic waves
Richter scale describes how much energy an earthquake releases
tsunamis seismic sea waves that when they approach land and encounter the bottom of the sea floor, can be as much as 30 meters high
seismic safe when a building will be able to stand up against the vibrations caused by most earthquakes
volcanoes cone shaped mountain can spew gas, magma, and solids during an eruption
lava liquid hot rock that comes out of the earth
craters the circular holes near the top of the summit of a volcano
subduction when an oceanic crust and mantle collide
pyroclastic flow massive avalanches of hot glowing rock on the side of a volcano
volcanic risk map map used to show inhabitants about unsafe areas around a volcano
ballistic lava flows in broad flat layers
shield volcano the buildup of ballistic layers form this type of volcano with slightly sloping sides
cinder cone volcano small cone of volcanic material
tephra rock fragments ejected by a volcano
composite volcano steep sided mountains composed of alternating layers of lava and tehra
rifts long cracks that form between tectonic plates at divergent plate boundaries
basalt most abundant type of rock on earths surface
hot spots large bodies of magma are forced upward through earths mantle and crust
pacific ring of fire about 80% of all earthquakes occur in this area
Created by: beccawalk
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