5ZP

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Across
  1. 2. Corn on the ..., german yes! (5)
  2. 5. A subject more fun than science? (5)
  3. 8. An order -Desperate one- pray! (6)
  4. 9. A couple might have this (9)
  5. 10. Quizzes you do in science support? (2,6,5)
  6. 17. Boating action would be useful with 'dy' on the end (5)
  7. 18. Detailed inspection (11)
  8. 19. Something you do carefully with questions or place you go after results? (7)
  9. 20. Science of life (7)
  10. 21. Sounds like an effervescent illness (7)
  11. 22. Can he make us laugh without a k? (3)
Down
  1. 1. Sounds like an accolade for an old fashioned fight(4, 4)
  2. 3. Tease playfully (4)
  3. 4. Rhymes with some things I've have played before (5)
  4. 6. An expensive car (5)
  5. 7. Going back to Christmas? (4)
  6. 11. Not from you (4)
  7. 12. Do this with a knot? (2)
  8. 13. Wishing you this for your exams (4, 4)
  9. 14. Super person (3, 2)
  10. 15. See it again (8)
  11. 16. A lion might sound like this (4)