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

SS 10: Geography

Ch 10 Geological History

Plate Tectonics A theory stating that the earth's outer shell is made up of about twenty plates.
Erosion The wearing down of the Earth's surface by natural means.
Fossils The remains or impression of a plant or animal hardened in rock.
Geologic Time The timing and relationships between the events that have occurred during the history of the earth. The earth is 4.6 billion years old.
Eras represents a time of major sediment deposition and earth movement.
Canadian Shield Only region of Canada existing during Precambrian Era. Some of its mountains were 12 000 meters, taller than any that are around today.
Folding When the land is under huge force and is up lifted and the earth buckles (also forms mountains)
Faulting When the earth's surface cracks due to pressure (also forms mountains)
Igneous rock When liquid magma rises from the mantel and cools and hardens
Metamorphic Rock Occurs when sedimentary or igneous rock is changed due to temperature and pressure.
Sedimentary Rock When rock is broken down and is transported by water. It is laid down in layers.
Glaciers Huge masses of ice.
Ice Age A period of long-term reduction in the temperature of Earth's climate
seismologist Scientist that studies earthquakes and the effects of them.
Wegener In 1915 came up with the theory of continental drift.
Cenozoic "The Age of Mammals", began 65 million years ago (still going on), Continents drifted to current position, Alps, Himalayas, & Andes were folded.
Mesozoic Era Middle life that spanned 180 million years. Known as the age of reptiles. It has three periods: Triassic, Jurassic, Cretaceous. Events of this era include Pangea starts to break apart, dinosaurs were alive and died, Rocky Mtns were formed.
Pangaea All the continents put together to form a super-continent
Precambrian Time period that spans around 4,500 million years ago when the earth was created to the evolution of abundant macroscopic hard-shelled animals
Created by: slslozzy