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Assessment
What is the state of matter characterized by having a definite shape and volume?
Solid
Liquid
Gas
Plasma
Which state of matter has particles that are far apart and move freely?
Solid
Liquid
Gas
None of the above
What happens to the particles of a substance when it changes from a solid to a liquid?
They gain energy and move closer together.
They lose energy and move farther apart.
They gain energy and move farther apart.
They remain in the same position.
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