SST Puzzle-2

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Across
  1. 4. Large landmasses on the surface of the earth
  2. 5. Form of government in India
  3. 6. A ______ year that has 366 days
  4. 7. Dandi march was started by ________
  5. 11. Our earth is surrounded by an envelope of gases
  6. 12. Movement of the earth around the sun
  7. 13. Planet famous for its rings
  8. 14. Capital of India
  9. 16. The zero degree latitude
  10. 17. A fiery ball of gas and dust that provides heat to the earth
Down
  1. 1. A person who studies the remains from the past
  2. 2. Model of the earth
  3. 3. Fixed path on which planets move around the sun
  4. 4. Capital of Haryana
  5. 8. Natural satellite of the earth
  6. 9. A person who draws maps
  7. 10. Putting events in the order of their occurrence
  8. 15. Known as the red planet