crossword puzzle grade 6

1234567891011121314151617181920
Across
  1. 2. Distance travelled by light in one year
  2. 4. It means elected representatives are answerable to the people.
  3. 7. A kind of tropical tree that grows along coasts,partly in water.
  4. 9. LCM of two co-prime numbers is their ____
  5. 11. Solution in which no more solute can be added
  6. 13. The system of exchanging things without using money.
  7. 14. Plants with fleshy leaves that store water
  8. 15. Nutrients required to repair and replace worn out tissues.
  9. 16. A residence of monks.
  10. 18. A person who keeps cattle
  11. 19. Group of stars that resemble a figure
  12. 20. The representation of data through pictures
Down
  1. 1. Area between two rivers
  2. 3. When shadow of earth falls on moon
  3. 5. Factor of all natural numbers
  4. 6. The presiding head of Municipal corporation
  5. 8. The study of Inscriptions.
  6. 10. Time just before Sunrise
  7. 12. The number that is being divided
  8. 17. The motion of an athlete running on a straight track.