Busy. Please wait.

Forgot Password?

Don't have an account?  Sign up 

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.

By signing up, I agree to StudyStack's Terms of Service and Privacy Policy.

Already a StudyStack user? Log In

Reset Password
Enter the email address associated with your account, and we'll email you a link to reset your password.

Remove ads
Don't know (0)
Know (0)
remaining cards (0)
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:
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 Vocab

Terms and Definitions

Law of Conservation of Mass States that in a chemical reaction, the mass of the products equals the mass of the reactants.
Physical Change Changes in a substance that affect only physical properties.
Chemical Change Chemical changes produce new substances that have properties different from those of the original substances.
Element Substance that cannot be broken down into simpler substances.
Chemical Formula An expression which states the number and type of atoms present in a molecule of a substance.
Element Molecule Molecules of only one atom.
Compound Molecule Molecules of more than one type of atom.
Chemical Equation Shorthand form for writing what reactants are used and what products are formed in a chemical reaction.
Chemical Reaction Process that produces chemical change, resulting in new substances that have properties different from those of the original substances.
Reactants (in a chemical equation) Substance that exists before a chemical reaction begins.
Products (in a chemical equation) Substance that forms as a result of a chemical reaction.
Coefficient The coefficient tells the number of molecules.
Subscript The subscripts tells the number of a certain type of atom in one molecule.
Diatomic Molecule Diatomic molecules are molecules composed only of two atoms, of either the same or different chemical elements.
Created by: o0308378