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
edit
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

Fossils

Key Vocabulary for Fossils Learning Check

TermDefinition
Fossil the preserved remains or traces of living things
sedimentary rock the rock in which most fossils are found
petrified fossil organism that has been turned to stone
trace fossil provide evidence of the activities of an ancient organism, such as footprints, tail tracks
extinct a type of organism that no longer exists on Earth
evolution the process by which all the different kinds of living things have chnaged over long periods of time to adapt to their environment
mold a hollow area of sediment that shows the shape and size of an organism
cast a copy of the shape of the organism
Law of Original Horizontality All rock layers are laid down in a flat (horizontal) position
Law of Superposition Each rock layer is older than the layer above it (rocks go older to younger from bottom to top)
Relative Age the age of an object or event in comparison to another object or event
Absolute Age The actual age of rock or fossil
Erosion when a rock layer is changed by wind, water or ice
Folding when rock layers are moved from underneath, causing layers to look like a rainbow
Faulted a break or crack in the Earth's lithosphere along which rocks move.
tilted When unequal forces within the Earth push up in one area
Intrusion when lava rises from deep within the Earth but does not go onto the surface
Created by: acook1361
Popular 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