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.
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

ESPS Review

Ivan Ramirez, SFS A3

Crater A bowl-shaped area that is made around a volcano's central opening
Lithosphere A rigid layer of the earth composed of the uppermost part of the mantle and the crust.
Mantle A hot layer of solid material that is between Earth's crust and core.
Crust The layer on of the earth.
Asthenosphere A soft layer of the mantle on where the lithosphere floats.
Mesosphere The strong, lower part of the mantle between the asthenosphere and the outer core.
Core Center of the earth.
Ejecta Substance emitted by an active volcano
Law of Superposition The top rock layer and its fossils is the youngest, the bottom is the oldest.
Meteoroids Chunks of rock or dust from space.
Meteorites A piece of meteoroid that passed through the Earth's atmosphere and hit Earth's surface.
Comet A small and icy object that orbits a star.
Asteroid A small rock like object that orbits the sun.
Uniformism The act of the same manner as present and over a long period of time.
Relative Age The age of a rock compared to the ages of rock layers
Strata Layers of rock.
Absolute Age The true age of a rock of fossil.
Radiometric Dating The use of radioactive isotopes as a measure for determining the age of a rock or fossil
Carbon Dating A method that determines the age of an artifact
Geologic Time Scale Timeline used to represent Earth's history
Half Life The time it takes for half of the atoms of a radioactive element to decay
Isotope Different number of neutrons
Convergent Boundries A boundary between plates that are colliding.
Continental Crust A thick part of the earth that form large landmasses mostly older oceanic crust.
Transform boundaries When tectonic plates slide along beside each other.
Plate boundary Where two tectonic plates meet.
Slab pull The pulling of a tectonic plate as its edge subducts deep into the mantle
Created by: ramirezi1



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