Energy = Amplitude
- The amount of energy a sound wave has is known as it's amplitude.
- The more amplitude, the further the sound will travel before it runs out of energy.
Amplitude is measured in decibels (dB)
- Jet Takeoff (25 M)
- Aircraft Carrier Deck
- Jet Takeoff (100 M)
- Live Rock Concert
- Lawn Mower
- Food Blender
- Garbage Disposal
- Telephone Dial Tone
- Normal Conversation
- Quiet Conversation
- Library
- Quiet Living Room
- Whisper, Rustling Leaves
- Breathing
- Weakest Sounds Heard
http://www.philtulga.com/MSSActivities.html#03
Blue Whale
"Blue whale communication has been measured up to 188 decibels, making it the loudest recorded sound from a living source. These underwater sounds have been detected 530 miles away."(2002 Tugla)