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- Chp.9 Vocab


Motion the state in which one objects distance from another is changing
Reference Point a place or object used for comparison to determine if an object is in motion
International System of Units(SI) the system of units used by scientists to measure the properties of matter
Meter a basic SI unit of length
Speed the distance an object travels per unit of time
Average Speed overall rate of speed at which an object moves
Instantaneous Speed speed of an object at one instant of time
Velocity speed in a given direction
Slope steepness of a line on a graph
Acceleration the rate at which velocity changes
Created by: morganemily07