Across
- 1. sound cannot travel in
- 5. materials that do not transmit light
- 6. light just below the visible spectrum
- 7. how a negatively charged balloon can pull a can
- 11. electric charge can flow through these materials
- 12. frequencies too low to hear by humans
- 15. forces arise from charged particles
- 17. stationary points on a standing wave
- 19. occurs when a vibration matches the natural frequency of an object
- 20. a type of wave that oscillates perpendicular to the direction of the wave
- 21. blue and green light
- 23. highest frequency on the EM spectrum
- 24. high pressure region of a sound wave
- 26. word for frequency of sound
- 27. light travels slowest in this type of medium
- 28. low points on a wave
- 32. low pressure region of a sound wave
- 33. red and green light
- 35. how you become charged by placing your hands on the Van de Graaf generator
- 37. opposite charges
- 39. poor electrical conductors
- 40. when two waves intersect constructively or destructively
- 41. high points on a wave
- 42. sound is this type of wave
- 43. unit for frequency
Down
- 2. red and blue light
- 3. the number of oscillations per second
- 4. wavelength multiplied by frequency
- 8. frequencies too high to hear by humans
- 9. convex mirror
- 10. the distance between two identical successive points on a wave
- 13. concave mirror
- 14. light just above the visible spectrum
- 16. the unit for charge
- 18. sound travels the slowest in this type of medium
- 22. charge cannot be created nor destroyed
- 25. longest wavelength on the EM spectrum
- 29. when two colors of light produce white
- 30. materials that completely transmit light
- 31. diverging lens
- 34. How a Van de Graaf generates electrical charge
- 36. converging lens
- 38. like charges
