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

Seasons Vocabulary

Seasons Short period of climatic change in an area caused by the tilt of Earth's axis as Earth revolves around the Sun.
Direct Light Light from the Sun that is shined straight onto Earth.
Indirect Light Light from the Sun that is shined on Earth at an angle.
Earth's Tilt The angle of Earth on its axis.
Orbit The gravitational path of Earth following the Sun.
Revolution A yearlong elliptical orbit around the Sun by Earth.
Axis An imaginary vertical line that goes from the North Pole to the South Pole.
Rotation The spinning of Earth on its axis.
Solstice A point which Earth reaches twice a year that the Sun reaches its greatest distance north or south of the equator.
Equinox Twice-yearly point, each spring and fall, when the Sun is directly over the equator and the numbers of daylight and nighttime hours are equal worldwide.
Moon Phases Change in appearance of the Moon as viewed from Earth, due to the relative positions of the Moon, Earth, and the Sun.
Gibbous A phase of the Moon when the size is more than half but not a full moon.
Crescent A phase of the Moon when the size is less than half.
Waxing It describes the phases following the new moon as more of the Moon's lighted side becomes visible.
Waning The phases following a full moon, while the visible lighted side of the Moon grows smaller.
Created by: r0306352