Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
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


1. Volcano A weak spot in the crust where magma comes to the surface.
2. Lava Molten rock above the earth's surface.
3. Magma Molten material beneath the earth's crust.
4. Ring of Fire All the volcanoes on the rim of the Pacific Ocean.
5. Hot Spot A region of molten rockbeneath the crust.
6. Sheild volcano A broad, domed, volcano with sloped sides.
7. Composite volcano A large, steep, volcano built up from layers of ash and lava.
8. Cinder Cone volcano A steep, cone shaped, volcano.
9. Sill When magma squeezes itself between layers of rock.
10. DIke When magma forces itself across layers of rock
11. batholith A large body of magma that hardens.
12. Lava plateau A high, flat, piece of land built by lava.
13. extinct No longer in existence.
14. dormant Inactive. Asleep
15. active Awake, being in the state of existence.
16. Element A substance that cannot be broken down into other substances.
17. Viscosity Determines weather a liquid flows fast or slow.
18. Silica A substance that makes magma thicker.
19. Pahoehoe Hot, fast-moving lava.
20. aa Cool, slow-moving lava.
21. Compound A substance made of two or more elements.
22. Volcanic Ash Fine rocky particles as small as a speck of dust.
23. Magma chamber An area underground that hold the volcanoes magma.
24. Crater The hole at the top of a volcano.
25. Vent A crack in the earth's crust.
26. Pipe A vertical hole which magma comes up to a volcano.
27. Caldera Happens when a volcano collapses.
28. Hot spring A spring of naturally hot water.
29. Geyser A hot spring where water shoots up in the air.
Created by: 1964968236
Popular Earth Science sets




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:
restart all cards