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matter
anything that takes up space/has mass
mass
measurement of matter
weight
measurement of matter and the effect gravity has on it
volume
amount of space being taken up by matter
solid
constant shape and volume
liquid
no constant shape but constant volume
gas
no constant shape or volume
neutron star
dying star that is very dense
plasma
super heated gas that behaves like liquid
physical property
a characteristic observed without changing the substance
chemical property
can only be observed by changing the substance
Law of conservation of mass
matter cannot be created or destroyed only turned into something new
physical change
change when the identity of substances stays intact
chemical change
change when the identity of substances changes
homogenous mixture
uniform/no separation
heterogenous mixture
not uniform/separation
filtering
separating by size/state of matter (ex. regular coffee)
decanting
pouring off the top layer (ex. Turkish coffee)
centrifugation
spinning that causes a separation by density (ex. criminal minds stuff)
distillation
separating by boiling point (ex. moonshine)
atom
simplest form of matter that retains the properties of that matter
element
a type of atom
molecule
2 or more atoms bonded
compound
type of molecule made of 2 or more elements bonded
pure
1 type of element or compound that cannot be separated by physical means
Note 
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