| A | B |
| pressure | the result of a force distributed over an area |
| absolute zero | a temperature of 0 kelvin |
| charles law | the direct proportion of the volume of a gas to its temperature (in kelvin) if the pressure and the number of particles of the gas are constant |
| boyles law | the inverse variation of the volume of a gas with its pressure if the temperature and the number of particles are constant |
| solid | the state of matter in which materials have a definite shape and a definite volume |
| liquid | the state of matter in which a material has a definite volume but not a definite shape |
| gas | the state of matter in which a material has neither a definite shape nor a definite volume |
| kinetic energy | the energy an object has due to its motion |