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

Earth/Moon/Sun

TermDefinition
Satellite An object that orbits a planet
Star A ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion
Constellation A pattern or grouping of stars that people imagine to represent a figure or object
Geocentric Term describing a model of the universe in which earth is the center of the revolving planets and stars
Heliocentric Term describing a model of the solar system in which Earth and the other planets revolve around the sun
Ellipse An oval shape,which may be elongated or nearly circular;the shape of the planets’ orbit
Rotation The spinning motion of a planet on its axis
Revolution The movement of an object around another object
Solstice Either of the two days of the year on which the sun reaches its greatest distance north or south of the equator
Equinox Either of the two days on which neither hemisphere is tilted toward or away from the sun
Gravity The attractive force between objects;the force that moves objects downhill
Law of Universal Gravitation The scientific law that states that every object in the universe attracts every other object
Inertia The tendency of an object to resist a change in motion
Eclipse The partial or total blocking of one in the space by another
Umbra The darkest part of a shadow
Penumbra The part of the shadow surrounding the darkest part
Tide The periodic rise and fall of the level of water in the ocean
Spring tide The tide with the greatest difference between consecutive low and high tides
Neap tide The tide with the least difference between consecutive low and high tides
Created by: EC3439
Popular 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