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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

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.

Remove ads
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



elliptical oval-shaped like a flattened circle
model a representation of something looks or works
asteroid a rocky object that revoles around the sun
meteoroid a small piece of rock or metal that travels in space around the sun
meteor a bright streak of light that passes through Earth's atmousphere
comet a ball ice, dust, and gasses that travels through space and orbits the sun
meteorite a piece of a meteoroid that lands on Earth after passing tthrough the atmousphere
light year the distance light that travels in one year
constellation stars that apear to be in groups when viewed from Earth
galaxy a group of billions of stars, dust, and gases in space held together by gravity
spectroscope an instument that seperates light into a pattern of lines of differennt colors
refraction the bending of light as it passes from one mateirial to another; a way to gather and focus light
reflection the bouncing of light of a surface; a way tto gather and focus light
Created by: twin8484