Busy. Please wait.
Log in using 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

The earth and rocks.

learn about the world.

What is a mid - ocean ridge? It is an underwater mountain range.
How many planets are there? 8
Define crust. The crust is earths outer skin and consists of solid rock.
How many layers is earth made up of? 4
What is an active volcano? This volcano is still erupting at regular intervals.
What is a dormant volcano? This volcano has been quiet for hundreds of years but may errupt again.
What is an extinct volcano? The volcano has not erupted in record time.
Where does most volcanic activity occur? Plate boundaries.
Most active volcanic zone Pacific ring of fire.
Define tsunami A huge wave caused by an underwater earthquake.
The strength of an earthquake is measured by? A seismograph.
Define lava. Molten magma when it reaches earths surface.
Name three types of rock. Igneous,Sedimentary, Metamorphic.
How do rocks differ? mineral content, Colour Hardness, Texture.
Name a sedimentary rock. Limestone.
Name a metamorphic rock Marble.
Name an Igneous rock Granite. Mourne and Wicklow mountains.
Created by: 6921



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