Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
23 Cards in this Set
- Front
- Back
|
phase change |
the amount of energy required to change from one phase to another |
|
|
solid |
definite shape and definite volume |
|
|
liquid |
definite volume, not shape |
|
|
gas |
no definite shape or volume |
|
|
freezing |
changing from liquid to solid *exothermic* |
|
|
melting |
changing from solid to liquid *endothermic* |
|
|
evaporation |
change from liquid to gas
*endothermic* |
|
|
surface tension |
force acting on the particles at the surface of a liquid |
|
|
condensation |
change from gas to liquid *exothermic* |
|
|
sublimation |
change from solid to gas without becoming a liquid *endothermic* |
|
|
precipitate |
a solid formed during a chemical reaction |
|
|
physical change |
a change that alters the form or appearance of a material but does not make the material into another substance |
|
|
chemical change |
a change in matter that produces a new substance |
|
|
endothermic reaction |
reaction when energy is being added |
|
|
exothermic reaction |
reaction when you are loosing energy |
|
|
viscosity |
the state of being thick |
|
|
physical property |
can be observed without changing the chemical make-up |
|
|
chemical change |
trait relating to a change in the makeup of the substance |
|
|
atom |
can't be broken down any further |
|
|
element |
made up of atoms |
|
|
compound |
contains at least 2 different types of elements |
|
|
mixture |
2 or more different chemicals |
|
|
boiling |
change of a liquid to a gas in the entire liquid |
