Physics Cross Word Puzzle

12345678910111213141516171819202122
Across
  1. 2. This person invented calculus
  2. 3. wave of high energy and very short wavelength
  3. 5. The pull of the Earth's core
  4. 6. a force that seeks towards the center
  5. 8. the essence of the atomic bomb; involves atoms
  6. 9. measured in Joule (J)
  7. 12. Speed, the rate of change
  8. 14. the slight bending of light as it passes around the edge of an object
  9. 19. The smallest Unit
  10. 20. Main purpose is to store energy
  11. 22. the extent of a vibration
Down
  1. 1. a high-energy, high-speed electron
  2. 4. Measured in hertz (Hz)
  3. 7. inactivity or resistance
  4. 10. A subatomic particle with a negative charge
  5. 11. small region with protons and neutrons at the center of an atom
  6. 13. electromagnetic radiation can be detected by the human eye
  7. 15. a quantum of light
  8. 16. Any physical substance that occupies space
  9. 17. a fundamental constituent of matter
  10. 18. Electromagnetic radiation used in electric cookers
  11. 21. A subatomic particle with the positive charge