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

4/7/16

science

QuestionAnswer
Matter anything with mass and takes up space
Mixture a blend of two or more kinds of matter; mixed together physically and can usually be separated
Heterogeneous mixtures not uniform throughout
Homogeneous mixtures are uniform throughout; also called "solutions"
Solvent the dissolving medium in a solution
Solute the substance being dissolved in a solution
Alloys solid solutions in which the atoms of two or more metals are uniformly mixed
Suspensions mixtures more or less evenly6 dispersed throughout a liquid or gas
Colloids particles that are intermediate
Tyndall effect the particles are large enough to scatter light
Solubility The ability of a substance to be dissolved
pH the measurement of the concentration of H+ ions
Neutral neither acid nor base
pOH concentration of OH0- ions
Electrolytes solutions that conduct electricity because of the free movement of ions.
Buffers help prevent a change in pH or pOH
The Buffer in the human body's blood is Bicarbonate (HCO3)
Most Acids and bases are great electrolytes.
matter can be classified as a pure substance or as a mixture
Solutions are homogeneous mixtures in a single phase
Solutions exist as solids, liquids, or gases
example of alloys: brass (made of zinc and copper) silver (made of silver and copper)
advantages of alloys include higher strength and greater resistance to corrosion
example of suspensions: muddy water
Created by: eallen156
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