Across
- 1. the matter that waves travel through
- 5. the main use of radio waves
- 8. these waves have the lowest frequency on the EM spectrum
- 9. when one object begins vibrating because another near by object is vibrating
- 12. how wavelength and frequency are related
- 13. type of wave that travels fastest through a solid
- 15. waves that move particles perpendicular to wave motion
- 19. what waves transmit
- 20. when the energy from a wave is converted to thermal energy
- 21. snakes use this type of radiation to locate prey
- 23. type of wave that DO NOT require a medium
- 24. type of radiation with the smallest wavelength
- 25. type of radiation used to detect forged bank notes
- 26. when waves bend around a barrier or through an opening
- 28. when two waves meet and combine
- 29. unit for frequency
- 30. top of a wave
- 31. type of waves that require a medium
Down
- 2. cell phones use this radiation for texts & notifications
- 3. areas where particles are compacted
- 4. unit for period
- 6. used in medicine diagnosis and airport security
- 7. the time it takes for one wave to travel
- 9. area of longitudinal wave where particles are spread out
- 10. type of wave that travels fastest through a vacuum(space)
- 11. bottom of a wave
- 14. type of radiation used in laser printers and to see!
- 16. when waves bend because they travel through different material
- 17. the number of waves that pass a point in a second
- 18. when waves move through a material
- 22. waves that move particles parallel to wave motion
- 27. an echo is an example of this wave behavior