States of Matter Crossword Puzzle

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Across
  1. 3. A state of matter with a definite volume but no definite shape.
  2. 7. Particles that are far apart.
  3. 9. A tiny piece of matter that makes up a substance.
  4. 10. The force exerted on a surface per unit area.
  5. 11. A state of matter with no definite shape or volume.
  6. 12. The process of increasing the volume of a substance.
  7. 13. A physical form of matter, such as solid, liquid, or gas.
  8. 14. A state of matter with a definite shape and volume.
  9. 15. A shape that can change depending on the container.
Down
  1. 1. Particles that are close together.
  2. 2. The process of reducing the volume of a substance.
  3. 4. The amount of space that a substance occupies.
  4. 5. Energy associated with the motion of particles.
  5. 6. A rapid back-and-forth motion of particles.
  6. 8. A fixed shape that does not change.