Physics crossword

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Across
  1. 1. the flow of magnetic field. Magnetic ...
  2. 3. a velocity and a vector of it
  3. 5. the smallest fermion, part of a proton
  4. 6. you cannot reach theoretical physics without it
  5. 8. the negatively charge, going around a nucleus
  6. 9. the small packet of energy
  7. 12. the area of physics, that learn about gravity
  8. 13. a person, that discovered quantum electrodynamics
  9. 14. a person, that discovered special theory of relativity
Down
  1. 1. an area filled with the appropriate bosons
  2. 2. enclosed system of conductors, resistors and etc
  3. 4. unit of energy per mass
  4. 7. we always use it as mathematical tool for relativity
  5. 10. the surname of a person, that discovered principle of uncertainity
  6. 11. the unit of a molecule