Soundwaves

• How does frequency affect the volume of a not?

  How high or low it is (Pitch)
• How does amplitude affect the volume of a note?

  How loud or quiet it is
• Ultrasound has a frequency of around 20,000Hz/ 20khz, lowest we can hear is 20hz (Infrared Sound)
• Distance= Speed X Time
• Sound Waves need a medium to travel across so that it's vibrations can be transmitted can create noise