Matter

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Across
  1. 1. A substance which exists in all the three states in nature
  2. 4. The process of change of a substance directly from solid state to gaseous state
  3. 5. State of matter with fixed volume but no fixed shape
  4. 6. Anything that occupies space and has mass
Down
  1. 2. The increase in size of a substance on heating
  2. 3. The amount of space occupied by the material thing
  3. 4. State of matter without fluidity