Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
share
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 Sci Midterm

Practice for the midterm

QuestionAnswer
An "if/then" statement that answers a question. hypothesis
What you COMPARE your results to in an experiment. Example: while testing the effects of fertilizer on plant growth, you compare your plants growth to the plant you did not put special fertilizer in. control
The parts of an experiment that never change. Ex: performed experiment at the same time, in the same room, every Wednesday. constants
WHEN you are actually measuring and performing/looking at your experiment. Ex: when testing the effects of fertilizer on plant growth, the physical act of you taking a tape measure and SEEING the length of the plant. observation
Anything in the experiment that you change variable
the variable you measure, dependent variable
elements and compounds are.... pure substances
two types of mixtures are... heterogeneous and homogeneous
definite shape and volume, particles closely packed together and move slow solids
definite shape and no definite volume, particles close together and SLIDE past each other
NO definite shape and NO definite volume, particles far apart and move quickly gas
Found in the nucleus of an atom neutrons and protons
Found in the outer energy shells of an atom electrons
Created by: rgrabowski