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

artist no paintpanda

moon the earth's natural satellite illuminated by the sun
orbit To move or travel around an object in a curved path.The earth orbits the sun.The sun orbits the earth.
lunar cycle The 4 week period in which the moon orbits earth one time and completes all of its phases.
moon phase The shape of the bright part of the moon.
new moon Occurs when the moon is positioned between the earth and the sun.The new moon is invisible.
full moon A phase of the moon in the lunar cycle when all of the sunlit side of the moon is visible from earth.
first quarter moon A phase of the moon n the lunar cycle halfway between a new moon and a full moon.The moon appears to be a "half moon"as seen from earth.
third quarter moon The phase of the moon halfway between the full moon and the new moon.The moon appears from earth to be a "half moon".
crescent A word used to describe the curved shape of the visible part of the moon before and after a new moon.
gibbous moon Any phase of the moon that has more than half of its face illuminated.
waxing When the face of the moon looks larger each day.
waning When the face of the moon looks smaller each day.
Created by: mzenni01