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

8th Science U5

DefinitionTerm
The spin of a body on its axis rotation
The time required for Earth to orbit once around the sun year
The point at which the sun is as far north or as far south of the equator as possible solstice
The moment when the sun appears to cross the celestial equator equinox
The time required for Earth to rotate once on its axis day
A division of the year that is characterized by recurring weather conditions and determined by both Earth’s position in its orbit around the sun. season
The motion of a body that travels around another body in space; one complete trip along an orbit. revolution
Imaginary line passing through the center of a planet that the planet spins around axis
System of imaginary half-circles on Earth’s surface that end at the poles, used to describe position east and west, with 0° at the prime meridian longitude lines
System of imaginary circles on earth’s surface that are used to describe position north and south of the equator latitude lines
The angle between an object's rotational axis and its orbital axis tilt
The point on a planet's elliptical orbit at which it is furthest from the Sun. aphelion
The point in a planet's orbit when it is nearest to the Sun. perihelion
The point in the sky or celestial sphere directly above an observer. zenith
The point on the celestial sphere directly below an observer. nadir
Created by: ashaver
Popular 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