Mind map
Sound
Map content
Sound
Infrasound
- 20 Hz and below
- Below our hearing range
- Used by elephants
Ultrasound
- 20,000 Hz and above
- Above our hearing range
- Used by dolphins, for pregnancys and fishing boats
Hertz- the unit of frequency (Hz)
Our hearing range
- Between 20 Hz and 20,000 Hz
- Anything higher or lower, we can,t hear
Features of waves
- Trough
- Bottom of wave
- Crest
- Top of wave
- Wave length
- Amplitude
- Trough
Information
- Description
- Physics Mind Map on Sound, created by penganna123 on 03/10/2013.
- Created by
- penganna123
- Views
- 16
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- Rating