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