Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

UNIT 1

8TH GRADE SCIENCE UNIT 1 CLASSIFICATION OF MATTER

TermDefinition
chemical equation equation that uses symbols and formulas to describe what happens in a chemical reaction
chemical reaction reaction that occurs when one or more substances are converted to one or more different substances
product resulting molecules in a chemical reaction
reactant substances that react with each other to make something new
Law of Conservation of Mass law stating that matter cannot be created or destroyed during chemical reactions
element a pure substance that contains one type of atom and cannot be broken down into a simpler substance
atom the basic unit of a chemical element
compound a substance made of two or more chemical elements bonded to each other
pure substance matter that has a definite composition; can be elements or compounds
molecule a group of atoms chemically bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction (example: water H2O
mixture matter that has a variable composition; can be heterogeneous or homogeneous
heterogeneous mixture a mixture in which the components are not uniform and where different samples from the mixture are not identical to each other
homogeneous mixture a mixture in which the components are uniformly distributed throughout and where the composition of the mixture is the same throughout
yield to result in
photosynthesis the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water
chemical equation for photosynthesis 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂
Periodic Table chart that lists all the known chemical elements
Created by: ledee.workman
Popular Science sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards