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
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

Layers of Earth

TermDefinition
Asthenosphere the fluid portion of the mantle that has special properties
crust the rigid outer layer of Earth
crystal an orderly arrangement of atoms and molecules with a specific shape determined by its chemical composition
igneous rock a rock that forms when melted rock (magma or lava) hardens
inner core the solid layer at the center of the Earth
lava molten rock on the surface of Earth
lithosphere the hard outer layer of Earth made of crust and hard, upper mantle; broken into tectonic plates
magma molten rock under the surface of Earth
mantle the layer of Earth below the crust; upper part is solid and lower part is semisolid
outer core the molten layer at the center of the Earth
intrusive rock igneous rock that formed below Earth's surface from magma cooling slowly.
extrusive rock Rock that forms when lava cools quickly above the surface of Earth.
Seismic waves earthquake waves
Popular Earth 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