• Skillful 3 R&W - Unit 9 - Reading 1 Vocab
     Help
  • Rapid back-and-forth movement in the air that causes sound.
    vibration
  • The force exerted by air in the atmosphere, which is affected by sound waves.
    air pressure
  • To develop or progress; here, it refers to how understanding of sound improved.
    advance
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
  • Your experience on this site will be improved by allowing cookies.