solve the puzzles

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Across
  1. 5. The reason you come to school.
  2. 7. A heavy machine that can be flown.
  3. 8. One who designs buildings plans.
  4. 10. Moving object that circulates air at home.
  5. 11. Unit measurement for weight
  6. 12. Refers to cars, motorcycles and buses.
  7. 14. Smallest state in Malaysia.
  8. 15. Opposite of 'fail'
  9. 16. We cook here.
Down
  1. 1. A virus that causes cold and fever.
  2. 2. Everybody wants it.
  3. 3. A referee blows this if he/she needs to do so.
  4. 4. Largest state in Malaysia.
  5. 6. It tells you the exact time.
  6. 9. Head of a primary school.
  7. 13. Organ of hearing