Acoustical & Musical Instruments
H3-15: TWIRL-A-TUNE AND VACUUM CLEANER
Category: H3 Standing Sound Waves
Purpose:
Demonstrate standing wave resonances in an open tube.
H3-12: ROARING TUBE - 4 FT
Category: H3 Standing Sound Waves
Purpose:
Demonstrate standing sound waves in air excited by convection currents.
H3-13: ROARING TUBE - 8 FT
Category: H3 Standing Sound Waves
Purpose:
Demonstrate standing sound waves in air excited by convection currents.
H3-11: TUNING FORKS AND RESONANT TUBE
Category: H3 Standing Sound Waves
Purpose:
Illustrate resonance in an air column.
H3-04: KUNDT'S TUBE - STROKED ROD
Category: H3 Standing Sound Waves
Purpose:
Demonstrate standing waves in an air column.
G4-22: CHLADNI FIGURES - OSCILLATOR DRIVEN
Category: G4 Mechanical Waves - Two Dimensional
Purpose:
Show two-dimensional standing waves in a metal plate
G4-21: CHLADNI FIGURES - BOWED
Category: G4 Mechanical Waves - Two Dimensional
Purpose:
Show two-dimensional standing waves in a metal plate
G4-14: SPOUTING BOWL
Category: G4 Mechanical Waves - Two Dimensional
Purpose:
Demonstrate resonance in a dramatic way
G4-13: DRUM HEAD STANDING WAVES
Category: G4 Mechanical Waves - Two Dimensional
Purpose:
Demonstrate standing waves in a circular membrane.
H2-52: BEATS AND RESONANCE - TUNING BARS
Category: H2 Wave Properties of Sound
Purpose:
To demonstrate beats, and to demonstrate resonance between two identical tuning bar resonators.
H4-53: MOOG ROGUE SYNTHESIZER
Category: H4 Music
Purpose:
Illustrates a simple analog music synthesizer
H3-71 STROKED ALUMINUM ROD
Category: H3 Standing Sound Waves
Purpose:
Illustrates longitudinal standing waves in an aluminum rod.
H3-24 OPEN AND CLOSED PIPES
Category: H3 Standing Sound Waves
Purpose:
Demonstrates open and closed tube standing resonances
H3-14 TWIRL-A-TUNE
Category: H3 Standing Sound Waves
Purpose:
Demonstrates standing wave resonances in an open tube
H2-42 DOPPLER EFFECT - TUNING FORK ON STRING
Category: H2 Wave Properties of Sound
Purpose:
Demonstrates Doppler effect
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I1-01: THERMOMETERS
Show several types of thermometers. Read More
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I1-11 THERMAL EXPANSION - BALL AND HOLE
Illustrate thermal expansion in a paradoxical way. Read More
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I1-12: THERMAL EXPANSION - BALL AND RING
Demonstrate thermal expansion. Read More
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I1-13 THERMAL EXPANSION - BIMETAL STRIP
Demonstrate differential thermal expansion. Read More
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I1-14: THERMAL EXPANSION OF ALUMINUM - OPTICAL LEVER
Demonstrate thermal expansion in a complicated way. Read More
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I1-15: THERMAL EXPANSION - PIN BREAKER
Demonstrate thermal expansion in a dramatic way. Read More
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I1-16: THERMAL CONTRACTION OF CUPS WITH LN
Measure coefficients of linear expansion. Read More
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I1-17: THERMOSTAT - MODEL
Model of use of a bimetal strip in a thermostat. Read More
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I1-18: BIMETALLIC STRIP THERMOMETERS
Allow students to see how bimetallic strips are used in thermometers and thermostats. Read More
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I1-19: LAVA LAMP
Demonstrate differential thermal expansion between two liquids, and to take us all back to the 1960s. Read More
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I1-21: WATER NEAR 4 DEGREES CELCIUS
Demonstrate that the maximum density of water occurs around 4 degrees centigrade. Read More
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I1-22: WATER DENSITY VS TEMPERATURE
Demonstrate the change in the density of water with temperature. Read More
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I1-32: RUBBER BAND CONTRACTION DURING HEATING
To demonstrate that rubber contracts when heated. Read More
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I1-40: REVERSIBLE THERMOELECTRIC DEMONSTRATOR
Demonstrate thermoelectric power generation or how thermoelectric devices can create hot and cold regions. Read More
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I1-41: THERMOELECTRIC MAGNET
Demonstrate production and use of thermoelectric current. Read More
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I1-42: THERMOELECTRIC FAN
Illustrate generation and use of thermoelectric current. Read More
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I1-51: RUBBER AT LN TEMPERATURE
Demonstrate how a normally elastic material at room temperature becomes rigid at very low temperatures. Read More
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I1-52: TUNING FORK AT LIQUID NITROGEN TEMPERATURE
Demonstrate the change in frequency of a tuning fork at liquid nitrogen temperature. Read More
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I1-53: LEAD BELL AT LIQUID NITROGEN TEMPERATURE
Demonstrate the effect of temperature on vibrations in a lead bell. Read More
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I1-61: DUST EXPLOSION
Produce a dust explosion. Read More
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I1-62: DUST EXPLOSION MODEL
Show why small particles of flammable material can create a dust explosion when ignited. Read More
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I1-63: HYDROGEN EXPLOSION
Produce a hydrogen explosion. Read More
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I1-64: BURNING CANDLE - COMBUSTION PROCESS
Demonstrate features of the burning process and to debunk myths about this supposedly well-known demonstration. Read More
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I1-71: SHAPE-MEMORY ALLOY - THERMOBILE
Illustrate shape-memory alloy. Read More
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I1-72: SHAPE-MEMORY ALLOY - ICEMOBILE
Illustrate shape-memory alloy. Read More
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I1-73: SHAPE-MEMORY ALLOY - COOL CRAFT
Illustrate shape-memory alloy. Read More
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I1-74: SHAPE-MEMORY ALLOY - CLOVER
Illustrate shape-memory alloy. Read More
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