States of Matter

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Across
  1. 3. solids have a highly ordered ___ structure
  2. 9. the temperature at which a substance will change from a liquid to a gas (2 words)
  3. 11. no definite volume and no definite shape
  4. 12. a graph that shows the temperatures and phase transitions for a substance (2 words)
  5. 13. gases have the ability to do this, which means they can be squished
  6. 16. the fourth state of matter that is found in stars and lightning
  7. 17. the temperature at which a substance will change from a solid to a liquid (2 words)
  8. 18. definite volume but no definite shape
Down
  1. 1. solids have the highest ____ because their particles are packed so closely together
  2. 2. the phase change that occurs when a solid becomes a liquid
  3. 4. liquids and gases are considered to be this, but solids are not
  4. 5. definite shape and definite volume
  5. 6. gases have the lowest density because there is so much ___ between their particles (2 words)
  6. 7. the one substance whose solid is actually less dense than its liquid!
  7. 8. solids cannot be squished because their particles are already so close together
  8. 10. as you increase ___, the kinetic energy of the particles increases
  9. 14. the kinetic theory states that all particles are constantly moving in (2 words)
  10. 15. the phase change that occurs when a liquid becomes a solid