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



element a substance that cannot be broken down into other substances by heat, light or electricity
periodic table a chart that classifies elements by their properties
atom the smallest particle of an element that has the properties of the element
nucleus the center of an atom, where protons and neutrons are located
proton particle in an atom that has positive charge
neutron particle in an atom that has no charge
electron particle in an atom that has a negative electrical charge
molecule two or more atoms joined together; the smallest unit of many substances
compound a substance made up of atoms of more than one element joined together in a molecule
mixture two or more substances that are mixed together, but can be separated out because their atoms are not combined
solution a mixture in which substances break up into their most basic particles, which are too small to be seen, and spread evenly through another substance
physical property a way of describing an object using traits that can be observed or measured without changing the substance into something else
physical change a change in one or more physical properties
chemical property describes the way a substance reacts with other substances
chemical change a change that produces new substances with new properites
chemical reaction a process that produces one or more substances that are different from the original substances
Created by: 824309374



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