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

Properties of Object


Atom smallest unit of matter
Matter anything that has mass or volume
Examples of matter Humans, smoke,textbook , water,ladybug ..etc
Examples of non-matter Energy light & sound
Mass How much matter is in something
Weight The pull of gravity on an object
Element Contains only one type of atom
Molecule Two or more atoms that are chemically combined
Formula for volume : length* width* height
Formula for density : mass/volume
Earth - Moon mass and weight Mass stays the same . Weight decreases on the moon because there is less gravity.
How can you separate compounds? By breaking the bonds between two or more atoms
Do atoms and molecules move? Yes,all atoms and molecules move. They vibrate in a solid. They slide in a liquid. They move freely in gas
What does it mean if a substance is pure? It only has one type of component .
Created by: s60943