waves

waves

1. pitch

   • The pitch of a sound is how high or low the sound is. A high sound has a high pitch and a low sound has a low pitch.

2. volume

   • The volume of a sound is how loud or quiet the sound is.

3. decibels

   • decibels are units of sound

4. hertz

   • The hertz (symbol: Hz) is the unit of frequency

5. amplitude

   • the maximum extent of a vibration or oscillation, measured from the position of equilibrium

6. the speed of sound

   • sound travels faster in solids
   • in water sound travels at 1500m/s
   • in air sound travels 330

7. the ear

   • pinna
     • ear canal
       • ear drum
         • ossicles
           • cochlea