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


Classification of Matter

substance A type of matter with a fixed composition
element A substance that is made up of one type of atom
compound A substance in which the atoms of two or more elements are combined in a fixed proportion
mixture A material made up of two or more substances that can be easily separated by physical means
heterogeneous mixture A mixture in which different materials can be distinguished easily
colloid A type of mixture with particles that are larger than those in solutions but not heavy enough to settle out
homogeneous mixture A mixture in which two or more substances are blended evenly throughout
solution A homogeneous mixture of particles so small that they cannot be seen with a microscope and will never settle
tyndall effect The scattering of light by colloidal particles
suspension A heterogeneous mixture containing a liquid in which visible particles settle
physical property Any characteristic of a material that you can observe without changing the identity of the substances that make up the material
physical change A change in the size, shape, or state of matter of a substance
chemical property A characteristic of a substance that indicates whether it can undergo a certain chemical change
chemical change A change in the identity of a substance
law of conservation of mass The mass of the products before a chemical change will equal the mass of the products after the chemical change has occurred.
Created by: nhatton