Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

Physical Science CH2

TermDefinition
matter anything that has mass and takes up space
element substance that cannot be broken down or separated into simpler substances by chemical means
atom smallest unit of an element that maintains the chemical properties of that element
molecule group of atoms held together by chemical forces
compound substance made up of atoms of 2 or more different elements joined by chemical bonds
pure substance matter sample that is either a single element or single compound has definite chemical and physical properties
mixture combination of 2 or more substances that are not chemically combined
melting point temperature and pressure at which a solid becomes a liquid
boiling point temperature and pressure at which a liquid becomes a gas
density ratio of the mass of a substance to the volume of the substance
reactivity the capacity of a substance to combine chemically with another substance
physical change change of matter from one form to another without a change in chemical property
chemical change change that occurs when 1 or more substances change into entirely new substances with different properties
Created by: Rkaup99
Popular Physical Science sets

 

 



Voices

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:
Retries:
restart all cards