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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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

Geology exam 1

Geology Prof Muller

all things are moving away from each other the big bang
theory that planets grow out of rings of gas, dust, and ice surrounding a new born star nebula theory of planetary formation
tiny sold pieces of rock and metal that collect in a planetary nebula and eventually accumulate to form a planet planetesimal
a celestial body that orbits the sun, has sufficient mass for its self-gravity, and has cleared the neighborhood around its orbit planet
4 inner planets with iron cores and a silicate mantle terrestrial planet
4 outer planets that mostly consist of hydrogen and helium jovian planet
a celestial body that orbits the sun, has sufficient mass for its self-gravity, and has not cleared the neighborhood around its orbit. ex) pluto dwarf planet
earths age? approximately 4.6 billion years
used isotopes of iron meteorites to give the first accurate age of the earth claire patterson
the sinking of elements such as iron and nickel into the earths center segregation of elements
rock that makes up the outermost layer of the earth crust
thick layer of rock below the earths crust and above the core mantle
section of the core, between 2900 and 5150 km deep, that consists of liquid iron alloy outer core
inner section of the core and consisting of solid iron and nickel alloy inner cor
relatively rigid, non-flowable, outer thick layer of the earth, constituting the crust and the top of the mantle lithosphere
layer of the mantle that lies between 100–150 km and 350 km deep; this layer is relatively soft and can move when acted on by force. Boundary between the lithosphere and the mantle asthenosphere
Created by: KAzetapi