matter crossword puzzle

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Across
  1. 4. matter with a definite shape and volume
  2. 5. an object mass compared to its volume
  3. 7. the volume of a gas increases with increasing temperature
  4. 10. any object that takes up space
Down
  1. 1. if you decrease the volume of a container of gas, the pressure of the gas will increase
  2. 2. the amount of energy needed to change a material from a solid to the liquid state
  3. 3. a gas-like mixture of charged particles
  4. 6. the amount of force matter pushes on an amount of space
  5. 8. matter with a definite volume but no definite shape
  6. 9. matter with no definite shape nor volume