PS Unit 3 Vocab

the state of matter in which materials have a definite shape and definite volume

• solid

• liquid

• gas

• plasma

the state of matter in which a material has a definite volume but not a definite shape

• solid

• liquid

• gas

• plasma

the state of matter in which a material has neither a definite shape nor a definite volume

• solid

• liquid

• gas

• plasma

the energy an object has due to its motion

• potential energy

• kinetic energy

• nuclear energy

• chemical energy

the result of a force distributed over an area

• pressure

• force

• weight

• none of the choices are correct

the temperature at which molecules do not move, also known as 0K, or 0 kelvins

• 0 celcius

• absolute 0

• freezing point

• end of the world

the direct proportion of the volume of a gas to its temperature (in kelvins) if the pressure and the number of particles of the gas are constant

• Charle's Law

• Boyle's Law

• Guy Lussac's Law

• Combined Gas Law

The inverse variation of the volume of a gas with its pressure if the temperature and the number of particles are constant

• Charle's Law

• Boyle's Law

• Guy Lussac's Law

• Combined Gas Law

A reversible physical change that occurs when a substance changes from one state of matter to another

• melting

• freezing

• phase change

• physical properties

absorbing energy from its surroundings

• endothermic

• ectothermic

• exothermic

• mesothermic