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
share
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

cumulative review

TermDefinition
biosphere the global sum of all ecosystems.
cryosphere the frozen water part of the earth system
geosphere any of the almost spherical concentric regions of matter that makeup the earth and its atmosphere
magnetic field the magnetic effect of electric currents and magnetic materials
nuclear fission the main process generating nuclear energy
radiant energy the energy of electromagnetic waves
angular momentum the rotational analog of linear momentum
barycenter the center of mass of two or more bodies that are orbiting each other.
conservation of momentum a conservation law stating that the total linear momentum of a closed system remains constant through time.
eccentricity measure of how an orbit has an eccentricity of zero.
ellipse a curve on a plane surrounding two focal points such that the sum of the distances to the two focal points is constant for every point on the curve
escape velocity the lowest velocity that a body must have in order to escape the gravitational attraction of a particular planet or other object.
nutation a periodic variation in the precession of the earth's axis
Kepler's laws of motion three laws devised by Kepler to define the mechanics of planetary motion.
precession a change in the orientation of the rotational axis of a rotating body.
synchronous rotation the result of tidal forces that over time slow the rotation of the smaller body until it is synchronized with its period of revolution around the larger body.
universal law of gravitation that any two bodies in the universe attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
Brahe designed and built instruments. invented the angle measuring device
Copernicus convinced that earth is a planet just like the other five known at the time.
Kepler discovered that the orbit of mars around the sun is not a perfect circle.
Galileo used telescope to view the universe. discovered four moons orbiting Jupiter, planets are circular disks, Venus phases, moon's surface and sunspots.
Created by: sydcop
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