Oscillations and Waves
3D - Instruments
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3D 20.10 - Sonometer:
Demonstrates: Effect of tension on a plucked wire. Description: Masses are hung at the end of each wire. |
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3D 22.30 - Guitar:
Demonstrates: String as a medium for sound and coupled oscillators. Description: A classical guitar. |
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3D 30.20 - Bottles:
Demonstrates: Closed-end tubes. Description: Various bottles making various sounds when air is blown across their openings. |
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3D 30.25 - Harmonica:
Demonstrates: Musical Notes. Description: It's an old wood and steel harmonica. |
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3D 30.30 - Siren Tube:
Demonstrates: Wind rushing past an opened end tube and making lots of noise. Description: Swing the tube overhead in a circle. |
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3D 30.40 - Closed-end Tubes:
Demonstrates: Sound in a closed tube. Description: Tubes that are closed at each end. |
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3D 30.60 - Kandt's Tube:
Demonstrates: The velocity of sound. Description: A closed end tube that can be adjusted to change the frequencies inside. |
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3D 32.10 - Organ Pipe:
Demonstrates: Changing resonance. Description: An adjustable closed flue pipe. |
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3D 32.40 - Pipe Organ:
Demonstrates: Open flue pipes made of metal. Description: A metal canister with organ pipes attached. Air flow is regulated by levers. |
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3D 32.50 - Squeaky Bear:
Demonstrates: Loudness due to air being forced through a small hole. Description: When squeaky bear is smacked on a hard surface he squeaks. |
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3D 32.60 - Flute:
Demonstrates: Notes. Description: A small plastic flute. |
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3D 32.70 - Recorder:
Demonstrates: Musical notes. Description: An early member of the flute family. Also known as an English flute. |
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3D 40.10 - Xylophone:
Demonstrates: Pitch. Description: An alternative to tuning forks. |
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3D 40.30 - Chladni Plates:
Demonstrates: Shows how the shape affects the resonance modes. Description: Different shaped plates are placed on a oscillator and sprinkled with salt. |
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3D 42.10 - Drum:
Demonstrates: Vibrations of an ideal membrane. Description: A basic snare drum. |
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3D 46.10 - Tuning Forks:
Demonstrates: Different frequencies through pitch. Description: When struck each fork has its own pitch / frequency. |