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A very small component of matter
Particle
The amount of matter in an object
Mass
The amount of space an object occupies
Volume
A state of matter with a definite volume but not a definite shape
Liquid
A state of matter with a definite volume and shape
Solid
A state of matter that does not have a definite shape or volume
Gas
A physical condition of the form of matter
State
Anything that has mass, volume, and is made of particles
Matter
Using your five senses to obtain information about something
Observation
A characteristic of a substance that can be observed without changing the substance into anything new
Physical property