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

Science Vocab - Ch 8

The Universe

the tendency of a moving object to keep moving in a straight line or of any object to resist a change in motion inertia
one complete trip around the sun...happens every 365 days revolution
the regular rise and fall of the water level along a shoreline tide
a natural or artificial object in space that circles around another object star
a collection of billions of stars galaxy
the force of attraction between any two objects due to their mass gravity
the path one object travels around another object orbit
a complete spin on an axis rotation
the appearance of the sha[e of the moon at a particular time phase
a situation that occurs when the sun, earth a moon are in a straight line earth's shadow falls across the moon lunar eclispe
an instrument that makes distant objects appear closer and larger telescope
a large object that orbits a star and does not produce its own light planet
a natual object that orbits a planet moon
a mixture of ice, frozen gasses, rock and dust left over from the formation of the solar system comet
one of many small, rocky objects between Mars and Jupiter asteroid
a huge cloud of gas and dust in space that is the first stage of star formation nebula
a star that can no longer turn helium into carbon; it cools and shrinks becoming very small and dense white dwarf
a star that has produced more energy than gravity can hold together and explodes supernova
an object whose gravity is so strong that light cannon escape it black hole
any of the patterns formed by groups of stars in the sky. To people in the pasat, these patterns looked like pictures of animals and people constellation
the distance light travels in a year light year
Created by: tgreen69