Across
- 3. time taken for one vibration
- 5. number used to compare speeds to sound
- 9. describes how long radio isotopes last
- 10. 3.6 million joules
- 13. produced by two similar frequencies
- 17. rate of change of velocity
- 20. measure particles' average Ek
- 23. negative subatomic particle
- 24. highest part of a transverse wave
- 25. force that acts to prevent sliding
- 27. unit of sound level
- 28. motion that repeats itself
- 29. ____ heat is involved in changes of state
- 30. reciprocal of period
- 36. product of force and displacement
- 37. study of motion
- 38. unit of electric potential
- 40. common temperature scale in USA
- 43. _____ law describes induced currents
- 45. _____ decay produces helium nuclei
- 47. has zero amplitude in a standing wave
- 48. coiled conductor
- 49. energy detectable by the ear
Down
- 1. lowest part of a transverse wave
- 2. force that acts perpendicular to surfaces
- 4. type of periodic motion
- 6. unit of electric current
- 7. change in position
- 8. quantity with magnitude and direction
- 10. common temperature scale in science
- 11. author of Newton's first law
- 12. a magnetic _____ surrounds a magnet
- 14. energy of motion
- 15. positive subatomic particle
- 16. path of a projectile
- 18. gas to liquid change
- 19. rate of doing work
- 21. force supplied by a rope
- 22. _____ decay produces high energy electrons
- 26. common temperature scale in Canada
- 30. tool for analyzing forces
- 31. organ of hearing
- 32. unit of force
- 33. type of metal strip found in thermostats
- 34. _____ decay produces high energy photons
- 35. unit of energy
- 39. weakest fundamental force
- 41. transfer of thermal energy
- 42. unwanted sound
- 44. distance divided by time
- 46. ability to do work