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

Unit 4

The Earth-Moon-Sun Systems

TermDefinition
Rotation The spin of a body on its axis
Day The time required for Earth to rotate once on its axis
Revolution The motion of a body that travels around another body in space:one complete trip along an orbit
Year The time required for the Earth to orbit once around the sun.
Season A division of the year that is characterized by recurring weather conditions , and determined by both Earth's tilt relative to the sun and Earth's position in its orbit around the Sun
Equinox The moment when the sun appears to cross the celestial equator
Solstice The point at which the sun is as far south of the equator as possible.
Satellite A natural or artificial body that revolves around a planet.
Gravity A force of attraction between objects that is due to their masses
Lunar phase The different appearances of the moon from Earth throughout the month.
Eclipse An event in which the shadow of one celestial body falls on another
Unmbra A shadow that blocks sunlight,such as the conical section in shadow of the Earth or the moon
Penumbra The outer part of a shadow such as the shadow cast by Earth or the moon in which sunlight is only partially blocked.
Tide The periodic rise and fall of the water level in the oceans and other large bodies of water.
Tidal range The difference in levels of ocean water at high tide and low tide
Spring tide A tide of increased range that occurs two times a month, at the new and full moon
Neap tide A tide of minimum range that occurs during the first and third quarters of the moon
Created by: user-1855767
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