P6-Waves

P6-Waves

1. the Ear

   • pinna
     • Ear Canal
       • Ear Drum
         • Ossicles
           • cochlea
             • Auditory Nerve
               • Brain
             • tiny hair move and convert the sound wave into an electrical sign
           • Hammer,anvil, stirrup

2. The speed of sound

   • sound travels fastest in solids
   • in water sound travels at 1500m/s
   • in air sound travels at 330m/s
   • Sound does not travel in a vacuum

3. Amplitude

   • The height of the wave above the centre line

4. Wavelength