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;
20 Cards in this Set
- Front
- Back
|
matter |
physical substance in general |
|
|
mass |
measure of the amount of matter in an object |
|
|
volume |
mesures the size of an object using length measurements in three dimensions |
|
|
density |
how much matter is in a given area |
|
|
substance |
matter which has a specific composition and specific properties |
|
|
mixture(homogeneous/heterogeneous) |
homogeneous- uniform appearance and composition throughought heterogeneous- visibly different substances and composition |
|
|
element |
substance consisting of atoms which all have the same number of protons |
|
|
atom |
baisc unit of a chemical element |
|
|
compound |
a substance formed when two or more chemical elements are chemically bonded together |
|
|
molecule |
a group of atoms bonded together |
|
|
physical change |
change in shape or appearance |
|
|
chemical change |
change in substance, eg. iron oxidizing into iron oxide (rust) |
|
|
kinetic molecular theory |
the energy of a gas particle depends only on the temperature of the gas |
|
|
evaporation |
process of a substance in a liquid state changing into a gaseous state due to an increase in temperature and or pressure |
|
|
condensation |
the conversion of a vapor or gas to a liquid |
|
|
solution |
a homogeneous mixture composed of two or more substances (salt in water) |
|
|
viscosity |
the state of being thick, sticky, and semifluid in consistency, due to internal friction |
|
|
temperature |
the speed of particles in a given space or object |
|
|
charles law |
gasses expand when heated |
|
|
boyles law |
pressure and volume of a gas is proportionate |
