Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

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.
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
remaining cards
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

Terms 2.2

energy scientists define it as the ability to do work
chemical reaction one or more substances change to produce one or more different substances
reactant a substance that takes part in and undergoes change during a reaction
product used to describe the things that are made by a reaction
metabolism the term used to describe all of the chemical reactions that occur in an organism
activation energy the amount of energy needed to start a reaction
catalyst certain chemical substance that reduce the amount of activation energy needed to start a reaction
enzyme a protein or RNA molecule that speeds up metabolic reactions without being permanently changed or destroyed
redox reaction reactions in which electrons are transferred between atoms
oxidation reaction in this, a reactant loses one or more electrons, thus becoming more positive in charge
reduction reaction in this, a reactant gains one or more electrons, thus becoming more negative in charge
Created by: Addaleigh