Soudn Vocabulary Assignment

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Across
  1. 3. the reduction of an item's density and pressure
  2. 8. when two or more waves traverse the same medium simultaneously, the net displacement at any point is the algebraic sum of the individual wave displacements
  3. 11. the oscillation of an object or system produced by a continuous, external periodic force
  4. 14. a phenomenon in physics where two or more waves of similar frequency and amplitude overlap, with the crest of one wave aligning with the trough of another
  5. 16. the position of maximum displacement in a standing wave system.
  6. 17. the change in the frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source
  7. 18. is a logarithmic unit used in physics to measure the ratio of two sound intensities or powers
  8. 21. the specific rate at which an object or system tends to oscillate, vibrate, or resonate when initially disturbed, struck, or allowed to move freely without external driving or damping forces
Down
  1. 1. flight velocities exceeding Mach 5 where high temperature effects, molecular dissociation, and intense aerodynamic heating become critical factors
  2. 2. are frequencies that are positive integer multiples of a fundamental frequency of a periodic wave or signal
  3. 4. a phenomenon in physics where two or more waves of the same frequency and phase superimpose to reinforce each other, resulting in a single wave with greater amplitude
  4. 5. the subjective perception of sound frequency, determining how high or low a tone sounds to the ear
  5. 6. a wave pattern formed by the interference of two traveling waves with the same frequency and amplitude moving in opposite directions
  6. 7. the reduction in volume or increase in density of a material/substance caused by applying inward pushing forces (stress)
  7. 9. sound waves with frequencies below the lower limit of human audibility, generally considered to be less than 20 Hertz
  8. 10. the phenomenon where two or more waves superpose while traveling through the same medium, resulting in a new wave pattern
  9. 12. the periodic, pulsating sound variations produced by the interference of two sound waves with slightly different frequencies
  10. 13. a physics phenomenon where a system oscillates with significantly higher amplitude at specific frequencies
  11. 15. a point, line, or region along a standing wave where the medium remains permanently at rest, experiencing zero displacement or vibration due to destructive interference
  12. 19. sound waves with frequencies higher than the upper audible limit of human hearing
  13. 20. is a dimensionless quantity in physics and fluid dynamics representing the ratio of an object's speed to the local speed of sound in the surrounding medium