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


Matter Anything that has mass and takes up space.
Physical changes Any change that alters form or appearance of matter but, DOES NOT CHANGE! any substance in the matter to a difference. Changing substance but, NOT WHAT IT IS!
Chemical changes A change in matter that produces one or more NEW substances.
Weight Gravity pulls on an object, DOES change!
Mass Matter in an object, does NOT change!
Volume length * width * height. The amount of space occupied.
Qualitative Observations Made by gathering information that can be recorded using DESCRIPTIVE LANGUAGE!
Quantitative Observations Made by gathering information that can be recorded with a MEASUREMENT UNIT!
Inference NOT A FACT, but an INTERPRETATION of what the direct observations mean.
Scientific Law Describes what scientist EXPECT to happen every time under a particular condition.
Constant Part of an experiment that is HELD IN THE SAME CONDITION for control and experimental
Variable Part of the experiment that CHANGES!
Independent Variable (manipulated variable) A factor in a controlled experiment that is INTENTIONALLY CHANGED BY THE EXPERIMENTER!
Scientific Theory A WELL TESTED EXPLANATION for a wide range of observations or experimental results
Inquire To ask for information
Dependent Variable (responding variable) A resulting factor in a controlled experiment that is observed and MEASURED TO SEE IF IT CHANGES DUE TO MANIPULATION OF ANOTHER VARIABLE.
Experiment A COURSE OF ACTION completed in order to test a hypothesis.
Control A standard to which all OTHER levels are compared in a scientific experiment.
Mixture matter that consists of two or more substances not chemically combined
Element the simplest type of pure substance
Compound two or more elements chemically combined
Pure Substances a substance made of only one kind of material having definite proportional amounts and properties
Homogeneous Mixture two or more substances not chemically combined, but appearing to be evenly blended
Heterogeneous Mixture two or more substances not chemically combined, and appearing non-uniform with physically distinct substances included
Created by: 3086829