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

Phys/Chem

Changes in Matter

TermDefinition
Chemical change a change in matter that produces a new substance
Physical change change which alters the physical properties of a substance without changing its identity
Chemical properties any of a material's properties that becomes evident during, or after, a chemical reaction
Heterogeneous mixtures a mixture in which the composition is not uniform throughout the mixture.
Homogeneous mixtures a gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample.
Kinetic energy the energy of motion. As temperature increases, kinetic energy increases.
Mixture a substance made by mixing other substances together.
Photosynthesis the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.
Physical properties include color, hardness, malleability, solubility, electrical conductivity, density, melting point, and boiling point.
Precipitate cause (a substance) to be deposited in solid form from a solution.
Temperature the degree of hotness or coldness of an object
atoms the smallest unit of an element that has all the chemical properties of that element
chemical reaction a chemical change; a process that changes substances into new substances
mass the amount of matter in an object
molecule two or more atoms joined together
reactivity the tendency of two or more chemicals to react
substance the physical matter of which living or nonliving things are composed
Evidence of a chemical change unexpected Color change, Gas produced, Light produced, unexpected Temperature change, Precipitate
Created by: LMS 7 Sci
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