Across
- 4. Wavelengths shorter than light but longer than X-rays
- 5. An increase or decrease in the frequency of sound as the source moves toward or away from an object or person
- 7. How high or low a sound is
- 8. A continuing effect; a repercussion
- 9. A wave with a shorter wavelength than x-rays
- 10. The force or loudness of a sound
- 12. A sound or vibration with an ultrasonic frequency
- 13. An electromagnetic wave that's used for long-distance communication
- 15. Sound waves with frequencies below the limit of human hearing
- 16. The extention of sound by reflection from a surface
- 18. When a person is not able to distinguish colors
- 19. A wave between ultraviolet light and gamma rays
- 20. The part of the Electromagnetic Spectrum that is visible to humans
- 23. Amplitude modulator
- 24. Tiny fluctuations in the air
Down
- 1. The properties of a room that determines how sound is transmitted
- 2. A wave that's shorter than a normal radio wave but longer than infrared rays
- 3. The range of wavelengths and frequencies
- 5. A unit used to measure the intensity of a sound
- 6. Frequency modulator
- 11. An object that is see-through
- 14. A ray of radiation that produces a thermal effect
- 17. A pattern of beats and sounds
- 21. A single noise
- 22. The frequencies of a wave