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

Earth, Sun, and Moon

TermDefinition
Astronomy the study of the moon, starts, and other objects in space.
axis an imaginary line that passes through Earth’s center and the North and South poles, abour which Earth rotates.
rotation the spinning motion of a planet on its axis.
revolution the movement of an object around another object.
orbit the path of an object as it revolves around another object in space.
solstice the two days of the year on which the sun reaches its greatest distance north or south of the equator.
equinox the two days of the year on which neither hemisphere is tilted toward or away from the sun.
Gravity the force that pulls objects toward each other.
Law of Universal Gravitation the scientific law that states that every object in the universe attracts every other object.
Mass a measure of how much matter is in an object's.
Weight a measure of the force of gravity on an object.
Inertia the tendency of an object to resist any change in its motion.
Newton’s First Law of Motion the scientific law that states that an object at rest stay at rest and an object in motion will stay in motion with a constant speed and direction unless acted on by a force.
Phase one of the different apparent shapes of the moon as seen from Earth.
Eclipse the partial or total blocking of one object in space by another.
Solar Eclipse the blocking of sunlight to Earth that occurs when the moon is directly between the sun and Earth.
Umbra darkest part of a shadow.
Penumbra the part of a shadow surrounding the darkest part.
Lunar Eclipse blocking of sunlight to the moon that occurs when Earth is directly between the moon and the sun.
Created by: lopez.ash
Popular Physical 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