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

Vocab Words Ch. 1-4

vocab words for chapters one through four

Chemistry the study of matter and the changes it undergoes
matter anything that has mass and takes up space
mass a measurement that reflects the amout of matter
weight a measure no only of the amount of matter but also the effect of eath's gravitational pull on the matter
scientific method a systematic approach used in scientific study, regardless of the type of science
qualitative data information that describes color, odor, shape, or some other physical characteristics
quantitative data numerical information
hypothesis a tentative explanation for what has been observed
experiment a set of controlled observations that test the hypothesis
independent variable variable that you plac to change
dependent variable value changes in response to a change in the independent variable
control standard that is used for comparison
conclusion a judgment based on the information obtained
model a visual, verbal, and/or mathematical explanation of experimental data
theory an explanation that has been supported by many, many experiments
scientific law
Created by: ewheelis