Physics Puzzle

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Across
  1. 4. measurement of magnitude
  2. 6. measurement describing randomness of a system
  3. 8. four fundamental forces that act between objects
  4. 11. when an object emits ionizing radiation
  5. 12. rays particle traveling through space with a highly energetic atomic nucleus
  6. 13. unit used to measure electrical energy
  7. 14. measurement of mass of an object
  8. 16. energy that heat generates
  9. 17. rate or measurement at which work done
  10. 18. the change in an object’s position
Down
  1. 1. a body's tendency to resist motion
  2. 2. wave height from the center of the wave
  3. 3. theoretical lowest temperature
  4. 5. change in momentum
  5. 7. when two objects collide
  6. 8. the push or pull measurement of an object
  7. 9. study of sound waves
  8. 10. how change in velocity is measured
  9. 14. energytransfer measurement when object moves
  10. 15. rate and direction of motion measurement