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Matter & Energy #2

SEED 6.2.2

QuestionAnswer
solid packed particles that have shape and volume
liquid particles that flow and have volume but do not have shape
gas particles that are spread apart and do not have shape or volume
density the amount of particles packed into a space
thermal (heat) energy energy that comes from heat
temperature a measure of how hot or cold something is
pure substance a substance made of only one thing
molecule a group of atoms joined together
molecule collisions occurs when molecules bump into each other
pressure a force that pushes on something
particle motion the movement of particles
Created by: jpaterniti
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