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Mechanical waves

• Intro. to waves
• Amplitude, period, frequency and wavelength of periodic wavesbases
• Wave on a string workshop

Sound waves

• Sound Properties (Amplitude, Period, Frequency, Wavelength)
• Prduction of sound
• Speed of sound
• Mach numbers
• Relative speed of sound in solids, liquids, and gases
• Ultra-sound medical imaging

Sound intensity

• Decibel scale
• Why do sounds get softer

Standing waves

• Standing waves in tubes part 1
• Standing waves in tubes part 2

Doppler effect

• Intro. to the doppler effect
• Doppler effect off a moving object
• Doppler effect for a moving observer
• When the source and the wave move at the same velocity
• Doppler effect formular for observed frequency
• Doppler effect formula when source is moving away