Phases of matter

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Across
  1. 6. The constant temperature at which a solid becomes a liquid
  2. 8. state of matter with definite shape and volume
  3. 10. phase change during which a solid becomes a vapor without becoming a liquid.
  4. 11. phase change during which a liquid converts to gaseous state
  5. 12. a reversible change that occurs when a substance changes from one state of matter to another
  6. 13. state of matter with neither definite shape nor definite volume
  7. 17. an explanation of how the particles in gases behave.
  8. 19. a change during which a system releases energy to its surroundings
  9. 20. energy that a substance absorbs to become gas from liquid
  10. 21. energy absorbed when a solid is converted to liquid
Down
  1. 1. Change of phase from solid to a liquid
  2. 2. state of matter with definite volume but indefinite shape
  3. 3. phase change during which a vapor/gas becomes a liquid
  4. 4. phase change during which a vapor/gas becomes a solid without becoming a liquid.
  5. 5. 4th state of matter in which atoms have charges
  6. 7. result of a force distributed in an area
  7. 9. the pressure caused by the collision of particles in a vapor with the walls of a container.
  8. 14. point The constant temperature at which a liquid becomes a vapor or gas
  9. 15. Conversion of a liquid to it’s vapor or gas
  10. 16. Conversion of a liquid to solid
  11. 18. a change during which a system absorbs energy from its surroundings