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

vocabulary 2

TermDefinition
pure substance Matter that always has exactly the same composition.
element A substance that cannot be broken down into simpler substances.
atom Smallest particle of an element.
compound A substance that is made from two or more simpler substances and can be broken down into those simpler substances.
heterogeneous mixture The parts of the mixture are noticeably different from one another.
homogeneous mixture The substances are so evenly distributed that it is difficult to distinguish one substance in the mixture from another.
solution When substances dissolve and form a homogeneous mixture.
suspension Heterogeneous mixture that separates into layers over time.
colloid Contains some particles that are intermediate in size between the small particles in a solution and the larger particles in a suspension.
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-its resistance to flowing.
conductivity a materials ability to allow heat to flow.
malleability The ability of a solid to be hammered without shattering.
melting point The temperature at which a substance changes from a solid to liquid
boiling point the 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 properties of a material change, but the substances in the material remain the same.
Chemical property Any ability to produce a change in the composition of matter.
flammability materials ability to change in the presence of oxygen.
reactivity The property that describes how readily a substance combines chemically with other substances.
Chemical change substance reacts and forms one or more new substances.
precipitate any solid that forms and separates from a liquid
Created by: cedric.harris
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