Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.

Remove ads
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards

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

GS Mod 7

Apologia Exploring Creation with General Science Module 7

Fossil The preserved remains of a once-living organism
Petrifaction The conversion of organic material into rock
Resin A thick, slowly flowing liquid produced by plants that can harden into a solid.
Fossil Record Sum total of all fossils discovered
Extinct A term applied to a species that was once living but now is dead.
Placoderms Fish that had bony plates covering their heads rather than the scales that cover the heads of fish today. Assumed to be extinct.
Amphibians Creatures that live both in and out of water.
General Features of Fossil Record 1
General Features of Fossil Record 2
General Features of Fossil Record 3
General Features of Fossil Record 4
Created by: barbara.macri