Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

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


Terms for Games

The time it takes the Earth to make one complete rotation on its axis Day
an event during which one object in space casts a shadow onto another Eclipse
The two days of the year on which neither hemisphere is tilted toward or away from the sun Equinox
The phase of the moon when it is one-quarter of the way through its orbit, and we see the right half of the moon lit First Quarter Moon
Moon phase when the entire side facing Earth is illuminated. Full Moon
A force of attraction between objects that is due to their masses. Gravity
The changing appearance of the moon as it revolves around, and REFLECTS sunlight back to Earth. Lunar Phases
Tides that have the smallest daily tidal range. These take place during the first and third quarter phases of the moon. Neap Tides
The phase of the moon in which only a dim outline of its shape is visible. New Moon
the lighter part of a shadow where light is partially blocked Penumbra
The motion of a body as it travels around another body in space. Revolution
The spinning motion of a planet on its axis Rotation
A planetary body that orbits a larger planetary body. Satellite
A division of the year that is characterized by recurring weather conditions Season
The point at which the sun is as far north or as far south of the equator as possible Solstice
A tide with the greatest difference between low and high tides. These take place during new and full moon phases. Spring Tides
the phase of the moon when it is three-quarters of the way through its orbit, and we see the left half of the moon lit Third Quarter Moon
The difference in levels of ocean water at high tide and low tide Tidal Range
the regular rise and fall of the ocean's surface influenced by the moon's gravity pulling on earth Tides
the darkest part of a shadow Umbra
Less than half of the moon's left side appears to be lit. Waning Crescent
More than half of the moon's left side appears lit and it's shrinking toward a new moon. Waning Gibbous
Less than half of the moon's right side appears to be lit. Waxing Crescent
More than half of the moon's right side appears lit and it's growing toward a full moon. Waxing Gibbous
The time it takes the Earth to orbit the sun once, 365.25 days. Year
Created by: jdipofi
Popular Earth Science sets




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:
restart all cards