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


elements compounds and atoms

ELement A pure substance that cannot be broken down
Pure Subtance Matter made up of the same particals throughout
Compound Matter composed of 2 or more elements that are chemically combined
Atmosphere A mixture of mainly nitrogen and oxygen
Matter Anything that has volume and mass
Oceans Water is made up of Hydrogen and Oxygen
Elements of the systems Only a small number of elements found in Earth's systems
Periodic Table of Elements An arrangement of elements according to their atomic number
Solid Earth Oxygen and Silicon are the most abundant elements in Earth's crust
Chemical Symbol The symbol that represents the elements on the periodic table
Living Matter Cells from living matter made of mostly carbon,hydrogen,oxygen etc.
Chemical Reaction The process of which elements change to make new ones
Physical property The characteristics of which can be observed without changing the subtance
Chemical Formula A shorthand notation using chemical numbers and number of atoms
Groups Vertical rows on the periodic table
Atom The smallest part of an element or compound
Atomic Number The number of protons in a atomic nucleus
Periods Horizontal rows on the periodic table
Created by: boomba