I bet you can't C the answers to this puzzle

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Across
  1. 3. BONUS!! Thank you for inventing charge! Without you there’d be no AP test!
  2. 7. Thanks for always asking the questions I needed answered during class!
  3. 8. Thank you for always winning chess (actually I take that back, no thanks)!
  4. 9. Thank you for remembering our warm-ups!
  5. 10. Thank you for bringing in homemade food to share with us!
  6. 11. Thanks for sticking with physics for all 4 years of highschool and me for 3 of those 4!
  7. 14. Thank you for helping me remember what an integral is- those things are hard!
  8. 16. Thank you for being lame and making this crossword, very cool! Jk
  9. 17. Thank you for dealing with me in BOTH calculus and physics!
  10. 20. Thank you for always having funny sentences for telestrations!
  11. 21. Thanks for getting us out of tests, you’re a real one!
Down
  1. 1. Thank you for the coffee candy!
  2. 2. Thanks for always volunteering for Ms. Martyn’s demonstrations!
  3. 3. Thank you for laughing at our bad jokes, with or without your acrylics!
  4. 4. Thank you for being positive, even when none of us have any idea what's happening in Physics!
  5. 5. Thanks for your fun games and partially true stories (even if I’m too gullible for them)!
  6. 6. Thank you for that overly complicated practice problem you gave me for the Calculus test!
  7. 9. Thanks for bringing in the cool Van de Waals thingy!
  8. 12. Thanks for being the other half of the winning egg bungee (oh and good job btw)!
  9. 13. Thank you for your help on that code problem (I reallyyyy wanted to beat Christopher Hill)!
  10. 15. Thank you for convincing me to take this class (imagine being in AP Chem instead…ew)!
  11. 18. Thanks for always knowing the right answer, dang (no hate tho)!
  12. 19. Thank you for explaining WebAssign questions to us, no matter how annoying we are!