Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
Didn't know it?
click below
 
Knew it?
click below
Don't know (0)
Remaining cards (0)
Know (0)
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

8-Earth,Moon, Sun

Earth, Moon Sun

TermDefinition
axis an imaginary line that a sphere rotates around
elliptical oval shaped
equator the imaginary line around the horizontal center of the planet
gibbous the Moon that is almost fully illuminated by the Sun
lunar eclipse when Earth passes between the Sun and a full Moon
orbit the path an object takes as it revolves around another object
revolution a complete turn or orbit around a center
rotate a complete turn or orbit around a center
seasons the four natural divisions of the year based on changes in temperature due to varied amounts of sunlight (both the intensity and the number of daylight hours received); caused by the tilt of the Earth during revolution
solar eclipse when the new Moon passes directly between Earth and the Sun
waning the decreasing amount of the sunlit portion of the Moon's surface
waxing the decreasing amount of the sunlit portion of the Moon's surface
Heliocentric Model promoted by Nicolaus Copernicus and proven by Galileo - the planets orbit the sun
Geocentric Model promoted by Aristotle and Ptolemy - the sun and the planets orbit Earth
Created by: jackie_mulkey
 

 



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then tap the card to flip it. If you knew the answer, tap the green Know box. Otherwise, tap the red Don't know box.

When you've placed seven or more cards in the Don't know box, tap "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just tap 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