Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards
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 18

volcanism describes all the processes associated with the discharge of magma, hot fluids, and gases.
hot spot unusually hot regions of Earth's mantle where high-temperature plus fo magma rise
flood basal form when lava flows out of long cracks in earth's crust
fissure are crakes
conduit lave reaches the surface by traveling through a tubelike structure
vent emerges through an opening
crater a bowl-shaped depresssion
caldera can be up to 50 km in diameter
shield volcano a mountain with broad, gently sloping sides and a nearly circular base
cinder cone form as this material called tephra, falls back to Earth and piles up around the vent
composite volcano formed of layers of harden chunks of lava from violent eruptions alternating with layers of lava that oozed down slope before solidifying
Created by: wtune