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;
10 Cards in this Set
- Front
- Back
|
matter |
anything that has mass and occupies volume solid, liquids, gases |
|
|
solid |
has a definite shape and a definite volume not easily changed |
|
|
liquid |
has a definite volume but not a definite shape |
|
|
gas |
indefinate shape and volume spreads to fill a container ex: in an elevator, when people get off, the remaining people move and spread out |
|
|
energy |
the ability to do work |
|
|
kinetic energy |
energy of motion KE = 1/2mass(velocity)^2 |
|
|
potential energy |
energy being stored |
|
|
heat |
involves the motion of particles heat always flows from hotter to colder the transfer of thermal energy |
|
|
temperature |
not the same as heat but a measure of kinetic energy inside the body |
|
|
physical change |
does not effect the composition usually reversible ex: ice melting -- can be refrozen into the same shape it started in |
