Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
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

science final exam 2

Physical Science Final Exam Review Szerdy part 2

TermDefinition
periodic table a chart where elements are grouped according to similar properties. Elements in the same vertical column are VERY similar.
Solid Particles are tightly packed, vibrate in place. Have constant shape & volume.
Liquid Particles are more loosely packed. Have a constant volume, can change shape.
Gas Particles are very spread out and move freely. Volume and shape can change.
Acid pH of 0 - 6. Has a sour taste, reacts with metals and carbonates. (Example: citrus juice, soda, vinegar, stomach acid.)
Base pH of 8-14. Has a bitter taste, feels slippery, Does not react with metal/carbonates. (Soap, ammonia, Shampoo, baking soda)
pH Scale Used to measure acids and bases.
neutral pH of 7, (Example: water)
salt when an acid and base combine, neutralize each other, make crystals.
Pure substance only one type of substance that can NOT be easily separated.
Mixture Two or more substances that are in the same place, but atoms are NOT chemically bonded.
Heterogeneous mixture can be easily separated (Example: trail mix, or a salad)
Homogeneous mixture evenly mixed, can NOT be easily separated (Example: Smoothie)
Solution When one part of the mixture is dissolved in another. (Example: Lemonade)
Solvent The part of the mixture in the largest amount (Example: the water in the lemonade)
Solute The part of the mixture in lesser amount )Example: Sugar or lemon in Lemonade)
Saturation When a solution has dissolved as much of the solute as it can possibly hold.
magnet Method of separation.....to pull iron filings out of sand.
Filter Method of separation.....to separate sand from water.
Distillation Method of separation.....where alcohol boils at a lower temperature, leaving water behind.
Evaporation Method of Separation....to remove water and leave salt behind.
Created by: Hinson Science