sound waves
- Created by: Ryan Bisson
- Created on: 18-12-14 12:49
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- Sound waves
- They are longitudinal waves
- They must travel through a medium
- Echoes are reflections of sound
- Their vibrations occur n the same direction of which they travel
- They can only travel through solids liquids and gasses
- The greater the amplitude the louder the sound
- The higher the frequency the higher the pitch
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