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

Chapter10 L1-3

TermDefinition
fossil The preserved remains or evidence of ancient living things.
catastrophism The idea that conditions and organisms on Earth change in quick, violent events.
uniformitarianism That geologic processes that occur today are similar to those that have occurred in the past.
carbon film The fossilized carbon outline of an organism or part of an organism.
mold The impression in a rock left by an ancient organism
cast A fossil copy of an organism. Made when filling a mold.
trace fossil Preserved evidence of activity
paleontologist scientists who study fossils
Relative age The age of rocks and geologic features compared with other rocks and features nearby,
superposition The principle that in undisturbed rock layers, the oldest rocks are on the bottom
inclusion A piece of an older rock the becomes part of a new rock
unconformity A surface where rock has eroded away, producing a break, or gap, in the rock record.
correlation Matching rocks and fossils from different locations
index fossil Species that existed on Earth for a short length of time, were abundant, and inhabited many locations.
absolute age Mean the numerical age, in years of a rock or object.
isotope Atoms of the same element that have different amounts of neutrons.
radioactive decay The process by which an unstable element naturally changes into another element that is stable
half-life The time required for half of the parent isotopes to decay into daughter isotopes
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