MATTER

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Across
  1. 1. The state of matter, in which particles only vibrate about their mean position.
  2. 3. The space occupied by a body is called its _
  3. 7. The space present between the particles of matter
  4. 8. The quantity of matter that a a body contains
  5. 9. The energy possesed by particles due to its motion.
Down
  1. 1. The process due to which a solid directly changes into its vapours.
  2. 2. Substances that can flow are called __
  3. 4. Anything that has mass and occupies space.
  4. 5. The unit of matter that usually does not have independent existence
  5. 6. The state of matter that have no free surfaces.