Save
Upgrade to remove ads
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

Science Final Xams 1

QuestionAnswer
if you dropped a piece of wood and a piece of gold into water and the wood floats and the gold sinks, what can you infer? *The density of gold is more than the density of water *The density of wood is less than the density of the gold.
What is a compound? 2 or more substances CHEMICALLY combined.
Why must you study 2 or more characteristics before identifying an unknown substance? Some substance have the 2 or more of the same characteristic properties.
What are characteristic properties of matter? *Boiling Point *Density *Melting Point *A property that never changes
What is a molecule? The smallest unit of MOST compounds.
Atoms of 2 or more elements can combine to form..... Compounds
The elements in each group are ALIKE or NOT ALIKE in properties? Not alike
All elements in the same group have similar.... Characteristics
A column on the periodic table can also be called... Group or Family
How can an elements properties be predicted? It's location on the periodic table
The atomic number for the element calcium is 20. How many protons does 1 atom of calcium have? 20
What is the rule for finding the protons of an atom? Protons = Atomic #
How do you find the neutrons of an atom? Atomic Mass - Atomic #
What are 3 things that are true about Chemical Reactions? *Absorb or release energy *Produces new substances. In some CRs 2 or more substances combine, forming one or more new substance
What is the law of conservation of energy? The principle that says in every physical and chemical change the total amount of energy stays the same.
The volume of a gas is the same as the volume of its... Container
Chemists classify an element as a metal based on which properties? Hardness Shininess Malledoility Ductility
Created by: koolkitty336
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