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.
We do not share your email address with others. It is only used to allow you to reset your password. For details read 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.
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

Week 21

Rotation/Rotate To spin or make a circular motion on its own axis
Revolution/Revolve To go all the way around
Axis An imaginary line which the body rotates
Equator An imaginary line dividing the Northern and Southern hemisphere
Tilt A sloping position
Day/Night Cycle Caused by the Earth's rotation or spinning on its axis once every 24 hours
Earth 3rd planet from the sun, only planet with life. It has an atmosphere and tectonic plates.
Moon Earth's natural satellite. Made of rock, no life or water. Gets its light from the sun. No atmosphere.
Sun Star at the center of our Solar System. Huge ball of magnetic plasma. It has a magnetic field. Mostly made of hydrogen.
Planets in order Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune "My Very Educated Mother Just Served Us Nachos"
Solar System Gravitational bound system consisting of the Sun and 8 planets
Created by: ghscience