Day Topic: Waves and Sound

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Presentation transcript:

Day 5 5-13-11 Topic: Waves and Sound Objective: I will describe the reflection of waves Science starter: In what medium does sound travel the fastest?

The Wave Model Medium of a mechanical wave is the substance through or along which the wave moves A wave passing creates a disturbance of the particles of the medium (pulse) Once created the disturbance travels at the wave speed. Waves transfer energy but the medium does not move!

Other waves Water waves have characteristics of both transverse and longitudinal waves (surface waves). Surface waves are two dimensional waves

Fixed-end vs. Free-end reflection

When Two Traveling Waves Meet Two Traveling Waves Meet – constructive interference Two traveling waves meet – destructive interference