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.

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

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.

Remove ads
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

Science Vocab. Ch. 2

science vocabulary words. chapter 2. 34 words.

matter anything that has mass and takes up space
chemistry study of matter and how matter changes
substance single kind of matter that is pure; always has a specific makeup
physical property characteristic of a pure substance that can be observed without changing it to another substance
chemical property characteristic of a pure substance that describes its ability to change into different substances
element a pure substance that cannot be broken down into any other simpler substance by chemical of physical means
atom basic particle from which all elements are made
chemical bond force of attraction between two atoms
molecule formed when atoms combine to make larger particles
compound pure substance made of two or more elements chemically combined in a set ratio
chemical formula shows the elements in the compounds and the ratio of atoms
mixture made of two or more substances that are together in the same place but are not chemically combined
heterogeneous mixture a mixture in what you can see the different parts
homogeneous mixture so evenly mixes that you can't see the different parts
solution made up of a solute and a solvent
weight measure of the force of gravity on an object
mass measurement of the amount of matter in an object
International system of units universal system of metric units
volume amount of space that matter occupies
density relates to the amount of mass of a material in a given volume
physical change any change that alters the form or appearance of matter but does not create a new substance
chemical change a change in matter that produces one or more new substances
law of conservation of mass the fact that matter is neither created nor destroyed in any chemical or physical change
energy ability to do work or cause change
temperature measure of the average energy of random motion of particles of matter
thermal energy total energy of all the particles in an object
endothermic energy a change in which energy is taken in
exothermic energy reaction that releases energy
kinetic energy energy of matter in motion
potential energy stored energy an object has because of its position
chemical energy internal energy stored in the chemical bonds between atoms
electromagnetic energy a form of energy that travels through space as waves
electrical energy the energy of electrically charged particles moving from one place to another
electrode two metal strips attached to wires that are placed inside a solution as part of the electrolysis process
Created by: sydneyybaileyy