ch 1

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Across
  1. 1. - State of matter with definite shape and volume.
  2. 3. - Rapid vaporization of liquid at its boiling point.
  3. 6. - Mass per unit volume of a substance.
  4. 9. - Process of melting solid to liquid.
  5. 13. - Measure of average kinetic energy of particles.
  6. 16. - Process of gas turning into liquid.
  7. 17. - Process of vapor turning into liquid.
  8. 18. - Anything that occupies space and has mass.
  9. 19. - Movement of particles from high to low concentration.
Down
  1. 1. - Process of solid turning directly into gas.
  2. 2. - State of matter with definite volume but no definite shape.
  3. 4. - State of matter with no definite shape or volume.
  4. 5. - Force exerted per unit area.
  5. 7. - Process of liquid turning into solid.
  6. 8. - Process of liquid turning into vapor.
  7. 10. - Process of solid turning into liquid.
  8. 11. Heat - Heat required to change state without changing temperature.
  9. 12. Energy - Energy possessed by particles due to their motion.
  10. 14. - State of matter with ionized particles.
  11. 15. - Amount of space occupied by a substance.