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

TermDefinition
organism an individual plant, animal, or other life form
excavation site an area where excavating has been done or is in progress
sedimentary rock forms when sediments are compacted and cemented together or when minerals form from solutions
paleontology the branch of science concerned with fossil animals and plants
amber Fossilized tree sap.
fossil The remains, imprints, or traces of prehistoric organisms
cast A mold filled with sediment and hardened to create a replica of the original fossil.
mold An impression made in sediments by the hard parts of an organism.
permineralization Fossilization in which minerals in water deposit into empty spaces in an organism.
index fossil Remains of species that existed on Earth for a relatively short period of time, were abundant, and were widespread geographically
principle of superposition in undisturbed layers of rock, the oldest rocks are on the bottom and get younger towards the top
relative age determining the age of something in comparison to the age of other things
unconformity gaps in rock layers that can develop when erosion occurs
Created by: MsHollinger
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