Crossword about education

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Across
  1. 3. Earth is one of the __________ in the solar system
  2. 7. a subject in syllabus that explore worlds
  3. 9. frog breath using theur lung and __________
  4. 10. organism that can turn people to sickness
  5. 11. oxygen produce by _____________
  6. 15. Muhammad ibn Musa Al-Khwarizmi, the father of ___________
  7. 16. measuring the ____________
  8. 18. erase mistake in the notebook using _____________
  9. 19. one of the three state matters that hard to be hold
  10. 22. the big star that turn night to day
  11. 26. helping human with sightedness
  12. 28. humans ___________ and plants live peacefully on the earth
  13. 29. main thing in mathematics
  14. 30. its blue and only appear on days
  15. 31. school boss
  16. 34. counting machines
  17. 35. smaller than lake
  18. 36. the machine that help human see organism
  19. 38. reading material
  20. 39. green parts of the tree
  21. 42. bloods pumped by ____________
  22. 43. the peoples that teaching in the school
  23. 46. the peoples that study in the school
  24. 47. smallest thing
  25. 48. the gas that every living things need
  26. 49. head of the skeleton
  27. 50. fishes place and habitat
Down
  1. 1. planets travel by the ____________
  2. 2. the student writing using __________
  3. 4. tiger is a ____________ and mousedeer is a prey
  4. 5. one of the slowest animal the world
  5. 6. slug with shell
  6. 8. smaller than ocean
  7. 12. cant be hold not a gas but shining brightly
  8. 13. red liquid in humans and animals
  9. 14. human need ___________ to move their body part
  10. 17. green thing on earth
  11. 20. a subject in syllabus about numbers
  12. 21. a gender of the two gender
  13. 22. the small dots that shining in the night sky
  14. 23. scientists use __________ to look at the moon
  15. 24. the animal that have shell on it back
  16. 25. humans and animals see using __________
  17. 27. one of the three state matters that can be hold easily
  18. 32. bat live in _____________
  19. 33. cheater he search finish crossword(ADI)
  20. 37. the usual human figure in a lab
  21. 38. human think using ___________
  22. 40. the teacher in university
  23. 41. one of the three state matters that cant be hold
  24. 44. that one amphibians animal that always croaking
  25. 45. fastest animal in the world