Sound and Wave Interactions. Sound “If a tree falls in a forest …?”. What is sound? Longitudinal wave, particles transfer energy Mechanical wave, must have a medium Bell in a vacuum. Direction of wave travel. Sound and Amplitude. Amplitude: effects the loudness (volume) of sound
The bouncing back of wave as it hits another object
Law of reflection: “angle in = angle out”
Sonar DVDWhat happens when waves meet?