Beyond the classroom. NAPS crossword.

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Across
  1. 1. light phenomena
  2. 5. Theoretical or _____ physics
  3. 6. natural piezoelectric
  4. 7. either moving or not
  5. 8. will you be there by 7pm? ?
  6. 10. smallest known particle
  7. 11. Einstein and cousins
Down
  1. 2. now called "marks the spot"
  2. 3. Gravity and a fruit
  3. 4. When is our programe on X?
  4. 6. discrete chunks
  5. 9. ½mv²,mgh,etc.