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


the solar system

The Universe is all of space and everything in it.
A Star is a large ball of gas that gives off light and heat.
A Galaxy is a collection of many millions of stars.
A Solar System is made up of a star and all the objects moving around it.
A Planet is a large round space object that circles a star in its own orbit.
A Dwarf Planet is a round space object that circles a star but has not cleared its own orbit.
A Satellite is any object that orbits a larger object or planet
A Moon is a naturally occuring satellite
An Asteroid is a small rocky object that orbits a star
A Comet is a small object composed of frozen gases,ice,rock and dust that can glow and produce a tail.
Gravity is a force generated by all objects that attracts all other objects.
Created by: katiebalfe4