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 Sci-Ch 2

vocabulary words

QuestionAnswer
pure substance matter that always has exactly the same composition
element substance that can't be broken down into simpler substances
atom smallest particle of an element
compound substance made from two or more simpler substances
heterogeneous mixture parts of the mixture are noticeably different from one another
homogeneous mixture substances are so evenly distributed that it is difficult to distinguish one substance from another
solution when substances dissolve and form a homogenous mixture; tap water, windshield wiper solution
suspension heterogenoeus mixture that separates into layers over time; salad dressing
colloid contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension; don't separate into layers; milk is an example
physical property any characteristic of a material that can be observed or measured without changing the composition of the substances in the material
viscosity the tendency of a liquid to keep from flowing (it's resistance to flowing)
conductivity material's ability to allow heat to flow
malleability ability of a solid to be hammered without shattering
melting point temperature at which a substance changes from a solid to a liquid
boiling point temperature at which a substance boils
filtration process that separates materials based on the size of their particles
distillation process that separates the substances in a solution based on their boiling points
physical change occurs when some of the properties of a material change, but the substance in the material remains the same
chemical property ability to produce a change in the composition of matter
flammability material's ability to burn in the presence of oxygen
chemical change occurs when a substance reacts and forms one or more new substances
precipitate any solid that forms and separates from a liquid mixture
reactivity property that describes how readily a substance combines chemically with other substances
Created by: msparks
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