Homework puzzle

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Across
  1. 4. American spanner
  2. 5. not very extreme
  3. 9. if you take something serious
  4. 10. the ship is ruined
  5. 11. if you get the question right
  6. 12. a good sword fighter in a metal suit
Down
  1. 1. a short metal blade used in the kitchen
  2. 2. to get to it you use a boat, plane or bridge
  3. 3. the season when leaves fall off the trees
  4. 6. biggest finger
  5. 7. another word for pattern
  6. 8. made a mistake? You should have _ _ _ _ _
  7. 9. a long metal blade
  8. 13. the Scottish pink/purple flower