Waves

• Wave Machine
• Slinky
• Very long spring
• Chladni Plates
• Blackboard String Vibrator
• Fourier Synthesizer
• Interference Model
• Wave Drawing Machine
• Lissajous Figures

Sound

• Hoot Tube
• Tuning Forks
• Acoustic Interference
• Acoustic Beats
• Doppler Shift
• dB Meter
• Sonometer