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 Review

Science final

TermDefinition
Matter anything that has mass and occupies space
Mass (grams) a measure of how much matter is in an object
Volume (liters/cubic centimeters[L*W*H]) the amount of space that matter occupues
Density (mass/volume) The ratio of the mass of a substance to its volume
Atoms The basic particle from which all elements are mad of
Neutrons A small particle in the nucleus of the atom
Protons A positively charged particle part of an atoms nucleus
Electrons A negatively charged particle that is formed outside the nucleus of an atom
Molecules (more than one atom) A neutral particle made of two or more atoms joined by a covalent bond
Elements A pure substance that cannot be broken down into other substances by chemical and physical means
Compound A pure substance made of two or more elements chemically combined
Chemical Symbol A one or two letter representation of an element
Chemical Formula A combination of symbols that represent the elements in a compound and their porportions
Chemical Equation a short easy way to show a chemical reaction using symbol
Synthesis A chemical reaction in which two or more simple substances combined to form a new more complex substance
Decomposition A chemical reaction that breaks down compounds into similar products
Single Replacement One thing is replaced
Double Replacements Two things are replaced
Buffer Something that slows down a reaction
Catalyst Speeds up a reaction
Carbohydrates An energy rich organic compound made of elements Carbon Hydrogen and Oxegyn
Proteins An organic compound that is polymer of amine acids
Vitamins and Minerals chemicals that our body uses to maintain health and carry on life functions
Lipids An energy rich organic compound carbon oxygen and hydrogen
Water Neutral deficiency 1 pH of 7 and h2o
Created by: Hk123
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