Unit 4 word list's crossword puzzle

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Across
  1. 5. someone who is very skilled at something
  2. 8. noticeable or important
  3. 9. when someone is a member of a group or organisation
  4. 11. to change how something develops, or how someone behaves
  5. 13. to put people or things into groups according to what type, level etc they are
  6. 16. many, or involving many things or people
Down
  1. 1. completely stupid
  2. 2. when you feel very surprised
  3. 3. a journey across water
  4. 4. to sing a tune by making a continuous sound with your lips closed
  5. 6. to travel across water in a boat or ship
  6. 7. the ability to learn and understand things
  7. 10. to decide which way a car or ship should go, using maps
  8. 12. to speak to God in order to ask for something or give thanks
  9. 14. having the result that you want
  10. 15. to walk with difficulty because one leg is hurt