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


chemistry the study of composition, structure, properties, and reactions of matter
Matter another word for all substances that make up our world. Antacid tablets are matter. Water is matter. Glass is matter. Air is matter.
Chemicals substances that have the same composition and properties wherever found often substances made by chemists that you use every day
graph represents the relationship between two variables contains two perpendicular axes has a horizontal axis or x axis has a vertical axis or y axis
Is light a chemical no
Measured numbers the numbers obtained when you measure a quantity such as your height, weight, or temperature.
significant figures (SFs all the digits including the estimated digit. used to represent the amount of error associated with a measurement
Exact numbers not measured and do not have a limited number of significant figures do not affect the number of significant figures in a calculated answer
The amount of space occupied by a substance is its volume
Equalities use two different units to describe the same measured amount ex: 60 min=1 h or 1m=100cm
Solids a definite shape a definite volume particles that are close together in a fixed arrangement particles that move very slowly
Liquids an indefinite shape but a definite volume the same shape as their container particles that are close together but mobile and move slowly
Gases an indefinite shape an indefinite volume the same shape and volume as their container particles that are far apart but move very fast
Created by: 1149820044