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

Introduction to IS

bigpoppa-pnhs-intro to I.S.H. vocab

What is a pure substance? Pure substance is matter that always has exactly the same composition.
What is an element? An element is a substance that cannot be broken down into simpler substances.
What is an atom? An atom is the smallest particle of an element.
What makes up a compound? A compound is a substance that is made from two or more simpler substances.
What is a heterogenous mixture? In a heterogenous mixture, the parts of the mixture are noticeably different from one another.
What is a homogenous mixture? In a homogenous mixture, the substances are so evenly distributed that it is difficult to distinguish one sunstance in the mixture from another.
What is a solution? A solution is when substances dissolve in a homogenous mixture.
What is a suspension? A suspention is a heterogenous mixture that seperates into layers over time.
What is a colloid? A colloid contains some particles that are intermediate in size between the small particles in a solution sand the larger particles in a suspension.
Created by: therealbigpoppa