3rd QTR L3 GR7

• sound waves can be demonstrated using a

  vibrating tuning fork
• is a longitudinal wave that is created by vibrating objects

  sound
• as the prongs move back, they produce a region with lower density and pressure; called the

  Rarefaction
• also called a relief wave, an unloading wave, and a Taylor wave
• 2 classifications of sound

  musical tone and noise
• produced by a regular vibrations

  musical tone
• produced by irregular vibrations

  noise
• sound is any vibrating objects

  true
• mammals can produce sounds due to the vibration of our larynx

  true
• some animals produce sounds by the means of moving of their body

  true
• sound can be characterized by its

  Pitch, loudness, and quality