Matter Vocab Crossword

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Across
  1. 2. is based on the idea that matter is composed of tiny particles that are always in motion
  2. 3. Matter that conforms to the shape of a container
  3. 4. the temperature at which a liquid turns into a solid when cooled
  4. 5. to become altered from a solid to a liquid state usually by heat
  5. 6. to harden into or be hardened into a solid
  6. 7. the change of the state of matter from the gas phase into the liquid phase
  7. 9. an element or compound is a phase transition from the liquid phase to vapor
  8. 12. An ionized gas consisting of positive ions and free electrons in proportions
  9. 13. Matter that has a defined shape and volume
Down
  1. 1. the temperature at which a vapor condenses into a liquid without a change in the temperature of the substance
  2. 5. the temperature at which a given solid will melt
  3. 8. the temperature at which a liquid boils and turns to vapor
  4. 10. degree of hotness or coldness measured on a definite scale
  5. 11. Matter in a state in which it will expand freely