Matter

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Across
  1. 4. made of particles
  2. 5. fluids
  3. 6. gas
  4. 7. spreading of gases
  5. 8. highly compressible
Down
  1. 1. conversion of solid to gas
  2. 2. available in three states
  3. 3. motion of particles is more
  4. 9. attractive forces are less