1. What is the source of all waves and sound?
  2. What do waves transport?
  3. What type of wave is a soundwave?
  4. What is a compression and rarefaction?
  5. What qualities of a transverse wave does a longitudinal wave not have?
  6. What does pitch refer to?
  7. What’s the difference between loudness and intensity?
  8. What are two examples of resonance?
  9. What happens to the sound of a tuning fork when it is held against a bigger object like a desk?
  10. What happens when you force a vibration at the rate of an object’s natural frequency?
  11. How many times louder is a 95 dB sound compared to a 45 dB sound?
  12. Where does sound travel fastest: solid, liquid, or gas?
  13. Where does sound travel fastest: a steel bridge or a wooden bridge? Why?
  14. What three things does the speed of sound in a gas depend on? Which ones are directly related and which ones are indirectly related with the speed of sound?
  15. What is the range of human hearing?
  16. What does infrasonic and ultrasonic refer to?
  17. Which has a higher wavelength: infrasonic or ultrasonic?
  18. When does constructive interference occur in sound waves? What happens when constructive interference occurs?  What would be one example?
  19. When does destructive interference occur in sound waves? What happens when destructive interference occurs?  What would be one example?
  20. What is the Doppler effect?
  21. When something travels towards you, what happens to frequency heard? What about when something travels away from you?
  22. When something travels towards you, what happens to wavelength of the sound? What about when something travels away from you?
  23. What strange things happens to sound waves when a source object is moving at the speed of sound?
  24. If a sound wave has a time period of 0.008 seconds, what would be the wavelength of the wave?
  25. If a sound wave has a wavelength of 15 meters, is it infrasonic, ultrasonic, or within human hearing?
  26. What frequency would you hear if an airplane traveling towards you at 80 m/s was emitting a 750 Hz sound? What if the plane was traveling away from you?
  27. What would be the wavelengthof a sound wave created by a car emitting a 400 Hz sound while traveling at 20 m/s, away from you?
  28. The time period of a police siren is approximately 0.002 seconds? What frequency would you hear if the police car is driving towards you at 26 m/s?
  29. A plane travels towards you with at a speed of 339.5 m/s. What frequency do you hear?  Explain what is peculiar about this and why.
  30. A dolphin makes a 1100 Hz sound while swimming away from you at 15 m/s. What sound would you actually hear, while underwater? (Sound travels at 1,500 m/s underwater)