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


when does vaporization take place at the surface of a liquid and occurs when the temperature is below the boiling point
What is a phase change is the reversible physical change that occurs when on state of matter changes to another.
what is endothermic a description of a change in which a substance absorbs energy from its surroundings
what is heat of fusion an energy a substance must absorb in order to change from a solid to a liquid
phase change energy is either absorbed or released during a phase change
what is exothermic a description of a change in which a substance releases energy to its surroundings.
melting and freezing the arrangement of molecules in water become less orderly as water melts and becomes orderly when it freezes
what is vaporization the phase change in which substance changes from a liquid to a gas.
Created by: amanda27