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

8.P.1.1 Matter

8.P.1.1, Properties of Matter

atom basic building block of life, smallest unit of an element, all matter is composed of atoms
element pure substances that have only one atom
compound made of 2 or more elements chemically combined and can't be separated
mixture physical combination of 2 or more substances that can be separated
proton a positively charged particle in the nucleus of atoms
neutron a neutral (no charge) particle in the nucleus of atoms
electron a negatively charged particle found in all atoms. It is the primary carrier of electricity in solids.
heterogeneous mixture mixture that is not uniform because you can see the individual parts in it (examples: salad, granite, iced tea)
homogeneous mixture that is uniform because it is evenly mixed and you can't see the individual parts in it (examples: air, steel, salt water)
Periodic Table A table (chart) where all chemical elements are arranged in order of increasing atomic number (number of protons in the atom)
Created by: lee.wright