States of Matter

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Across
  1. 3. the temperature at which a substance changes from a solid to a liquid as thermal energy is added to it
  2. 5. the physical form matter takes on as determined by the arrangement and motion of its atoms or molecules
  3. 6. make up everything in the world and cannot be seen with our eyes
  4. 9. the amount force exerted over a certain area
  5. 11. the state of matter in which its atoms or molecules are closely packed and touching one another but are not held in fixed positions.
Down
  1. 1. the temperature at which a substance changes from a liquid to a gas as thermal energy is added to it
  2. 2. added to a substance that causes a state change
  3. 4. the state of matter in which its atoms or molecules are separate from each other by empty space and can move independently
  4. 7. 5 letter word that means "hot" or "heat"
  5. 8. the state of matter in which atoms or molecules are closely packed and touching one another in fixed positions
  6. 10. best baseball team in Chicago