Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
share
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

9Sci CH9

9th Science CH9 Classification of Matter

TermDefinition
chemical change the change of substances to different substances
chemical property a characteristic of a substance that indicates whether it can undergo a specific chemical change
coagulation process that destroys colloid structure; can be used to reduce a colloidal form of air pollution
colloid a heterogeneous mixture containing tiny particles that never settle out; for example, milk and gelatin
compound substance made of the combined atoms of two or more elements
element substance in which all the atoms in a sample are alike
heterogeneous mixture a mixture in which different parts can be easily distinguished
homogeneous mixture a mixture in which different materials are blended evenly so that the mixture is the same throughout; also called a solution
law of conservation of mass a law stating that matter is neither created nor destroyed during a chemical change
physical change a change in the size, shape, color, or state of matter
physical property any characteristic of a material that can be observed without changing the identity of the material itself
solution a homogeneous mixture containing particles so tiny that they cannot be seen even with a microscope; particles in a solution don’t settle and don’t scatter light
substance matter that is an element or compound
suspension a heterogeneous mixture containing a liquid in which larger particles eventually settle out
Tyndall effect the scattering of light by particles in a mixture; ;this effect can be seen in all colloids