Spelling words in a crossword

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Across
  1. 3. something that is used in maths
  2. 5. convincing someone to do something
  3. 8. badly behaved
  4. 9. something that is odd
Down
  1. 1. when you make something bigger
  2. 2. this is 60 seconds long
  3. 4. being specific
  4. 6. something that is normal
  5. 7. How long something is.
  6. 10. when two things hit each other