P6 - Waves

P6 - Waves

1. pitch

   • how high or low the sound is

2. volume

   • how loud the sound is

3. frequency

   • how many waves go past in one second
     • the units of frequency are the Hertz

4. wavelenght

   • the distance between two identical points on a wave e.g. two peaks
     • the units of wavelenght are meters

5. amplitude

   • the height of the wave above the centre line

6. microphone

   • takes sound waves and turns them into electrical signals
   • speaker
     • takes electrical signals and turns them into a sound waves