TITAN

12345678910111213141516171819202122232425
Across
  1. 2. 10% of human mass made out of
  2. 4. is about 18% of our body
  3. 6. is highly reactive
  4. 7. can be used for scuba diving
  5. 10. latin word flint-siex
  6. 13. twice as strong as Aluminium
  7. 14. also known as limestone
  8. 15. is used for fireworks
  9. 18. is toxic
  10. 19. 78.1% of the air
  11. 22. can be found in the earth vrust
  12. 24. isolated in the 18th century
  13. 25. greek word "" means new
Down
  1. 1. selene means moon
  2. 3. first metal to be worked by man
  3. 5. makes 8.2% of earth crust
  4. 8. does not occur free in nature
  5. 9. only 25% of the coin nickel is actually
  6. 11. is harder than steel
  7. 12. 100% percent recycble
  8. 15. makes up 3% of earth crust
  9. 16. makes up 2% of the earth crust
  10. 17. burn with a bright red color
  11. 20. it is odorless
  12. 21. it is yellowish
  13. 23. is the main component of meteorites