MASS: Amount of matter in an object..
VOLUME: The amount of space an object takes up.
DENSITY: The amount of mass in a certain volumen of material.
PHYSICAL PROPERTY: A property that can be obseved without changing the identity of a substance.
PHYSECAL CHANGE: A change in size, shape, or state without forming a new substance.
SOLUTION: A mixture of one subtanse dissolved in another so that the properties are the same throughout .
CHEMICAL CHANGE: A change in matter tha produces a new subtance whith different poperties from the original.
