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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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


Elements and Atoms

Amount of matter in an object Mass
This form of matter can be poured and takes the shape of its container Liquid
This form of matter is invisible and spreads out to fill up the container Gas
This form of matter has a specific shape Solid
Anything that has weight and takes up space Matter
The amount of space an item takes up Volume
Two or more pieces of matter that are combined but can be separated Mixture
Two or more pieces of matter that can be combined but CANNOT be easily separated Solution
How much matter an object contains in a given amount of space Density
Method used to find the volume of an irregularly shaped object Water displacement
Total number of protons and neutrons in the nucleus Atomic mass
Smallest unit of matter Atom
Pure substance where all atoms are the same Element
Number of protons in the nucleus Atomic Number
Particles are EVENLY distributed throughout the mixture Homogeneous
Particles are UNEVENLY distributed throughout the mixture Heterogeneous
Particles that are smaller than an atom and make up the atom Subatomic particles
Subatomic particle with a positive charge Proton
Subatomic particle with a negative charge Electron
Subatomic particle that is neutral Neutron
Created by: keimm



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards