Sound
Table of Contents

1. Introduction
   
2. Vibration
   
3. The Speed of Sound in Air
   
4. The Speed of Sound in Other Materials
   
5. Temperature and Speed of Sound
   
6. The Human Ear
   
7. The Components of Sound
   
8. Frequency and Pitch
   
9. The Doppler Effect
   
10. Sound Wave Interference
    
11. Refraction of Sound
    
12. Reflection of Sound
    
13. Ultrasound and Ultrasonic Testing
    
14. Angle Beam Testing
    
15. Immersion Ultrasonic Testing

NOTE: Many of the Flash animations have sound associated with them. Make sure you have you computer volume turned up so that you can hear them.