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

Earth's Fossils

vocab

QuestionAnswer
Fossil preserved remains or traces of animals, plants, and other organism from the remote past
Sedimentary rock type of rock that is pressed and cemented together. fossils are found here
Ammonites extinct animal
Stromatolites rock type structure made from blue- green algae. first forms of life on earth. still found in some areas today
Trace fossil indirect evidence of life in past (Ex. feces, footprints, tracks, burrows, boring)
Index fossil a fossil that is useful for dating and correlating the strata in which it is found.
Casts organism dies and the cavity fills with minerals, maybe sand or clay
Mold organism dies and there is no filling of the cavity with minerals Cast
Relative Age The age of rock layers compared to other layers
Absolute age Most accurate form of dating, also called radiometric dating.This relies on the property of half life, which is the predictable time an element takes to decay
Geologic Time Scale a chronological representation of Earth’s geologic history going back 4.6 billion years until present day.
Fossil Record By using relative and absolute dating scientists are able to put together the Earth’s geologic history.
Coprolite a piece of fossilized poop
Permineralization groundwater and minerals preserve the material instead of replacing it
Petrification Water dissolves the material and replaces it with water
Carbonization The process in which all substances decay except for the carbon. leaves a carbon film of the rock.
Law of Superposition newest rock is on top, and oldest rock is on bottom
Burrows hole or tunnel dug by a small animal
Paleontologist a scientist that specializes in the study of fossils
Fossil Resin sticky resin that captures animals and invertebrates, and captures their DNA
Replacement where the water washes out the fossil and replaces it with minerals
Tar & Ice Trapped in and whole body can be preserved. Ice can capture whole animal as well, can be found with skin, hair, and even organs
Created by: katietrenda
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