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 lesson 1

unit1 lesson 1

TermDefinition
matter anything that has mass and takes up space
mass describes the amount of matter in an object
weight a measure of the gravitational force on an object
volume the amount of space that an object takes up or occupies the objects volume
density a measure of the amount of mass in a given volume
physical property a characteristic of a substance that can be observed and measured without changing the idenity of the substance
chemical property describes a substances ability to change into a new substance with diffrent properties
physical change a changed that affects one or more physical properties of a substance
chemical change occurs when one or more substances change into entirely new substances with different properties
law of conservation of mass states that in ordinary chemical and physical changes mass is not created or destroyed but is only transformed into different substances
atom are the smallest unit of an element that maintains the properties of that element
element made up of one or more of the same kind of atom chemically combined
compound made up of different kinds of atoms chemically combined
mixture contains a variety of elements and compounds that are not chemically combined with each other
pure substance substance that has definite physical and chemical properties such as appearance, melting point, and reactivity
heterogeneous mixture is one that does not have a uniform composition
homogeneous each part of the sugar water mixture has the same sweet taste
solid substance has a definite volume and shape
liquid substance has a definite volume but not a definite shape
gas does not have a definite volume or shape
freezing the change in state in which a liquid becomes a solid
melting particles are able to slide pass each other the change of state from a solid to a liquid
evaporation as liquid is warmed its particles gain energy some particles gain enough energy that they escape from the surface of the liquid and becomes gas
boiling a rapid change from a liquid to a gas or a vapor
condensation as a gas is cooled its particles lose energy the attraction between particles overcomes the speed of their motion and liquid froms
sublimation the change from a solid state directly into a gas
deposition is the change in state from a gas directly to a solid
Created by: 18byoung0901
Popular SAT 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