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F4-01: VISCOSITY OF LIQUIDS
Category: F4 Fluid in Motion
Purpose:
Compare the viscosities of water and mineral oil.
F3-31: WATER BELL
Category: F3 Surface Tension
Purpose:
Demonstrate surface tension in an artistic manner.
G2-26: COUPLED AIR TRACK GLIDERS
Category: G2 Resonance and Coupled Oscillations
Purpose:
Demonstrate coupled oscillations and normal modes in a system of two identical coupled air track gliders.
F3-21: SURFACE TENSION - ALCOHOL AND WATER IN SAND
Category: F3 Surface Tension
Purpose:
Illustrate the difference between the surface tension in water and in alcohol.
F3-06: SURFACE TENSION - NEEDLE ON WATER
Category: F3 Surface Tension
Purpose:
Illustrate surface tension by floating a needle on water.
G2-25: COUPLED PENDULA - 1000:100:10:1 MASS RATIO.
Category: G2 Resonance and Coupled Oscillations
Purpose:
Illustrate a complex resonance system.
G2-24: COUPLED PENDULA - 100 TO 1 MASS RATIO
Category: G2 Resonance and Coupled Oscillations
Purpose:
Illustrate mechanical resonance.
G2-12: BARTON'S PENDULUMS
Category: G2 Resonance and Coupled Oscillations
Purpose:
Demonstrate driven resonance.
G2-11: RESONANT SAW BLADES - HAND DRIVEN
Category: G2 Resonance and Coupled Oscillations
Purpose:
Show that a mechanical oscillator responds with a maximum amplitude to its own resonant frequency.
F3-03: SURFACE TENSION - SOAP BUBBLES
Category: F3 Surface Tension
Purpose:
Demonstrate surface tension in a perhaps counterintuitive way using soap bubbles.
G2-09: FORCED HARMONIC MOTION WITH SONAR
Category: G2 Resonance and Coupled Oscillations
Purpose:
Plot a graph of forced damped harmonic motion near the resonant frequency.
G2-05: AIR TRACK - DRIVEN AND DAMPED OSCILLATIONS
Category: G2 Resonance and Coupled Oscillations
Purpose:
Illustrate the behavior of a driven and damped oscillator.
G2-04: DAMPED OSCILLATIONS
Category: G2 Resonance and Coupled Oscillations
Purpose:
Demonstrate damped harmonic oscillations.
G2-03: RESONANCE IN TORSIONAL PENDULUM - PROJECTION
Category: G2 Resonance and Coupled Oscillations
Purpose:
Demonstrate quantitatively all aspects of the driven and damped oscillator.
F2-41: DENSITY - SLOPE OF MASS VS VOLUME GRAPH
Category: F2 Buoyancy
Purpose:
Determine the density of water.
G2-02: FORCED HARMONIC MOTION WITH DAMPING - LARGE
Category: G2 Resonance and Coupled Oscillations
Purpose:
Demonstrate and graph driven and damped harmonic motion.
F2-32: FLOATING SQUARE BAR
Category: F2 Buoyancy
Purpose:
Illustrate buoyancy and the orientation in which a long square bar floats in a very dramatic way.
F2-26: BUOYANCY PARADOX - BALL IN TWO LIQUIDS
Category: F2 Buoyancy
Purpose:
Demonstrate buoyancy with a counterintuitive element.
F2-25: BALANCE PARADOX - BUOYANCY WITH CROSSOVER
Category: F2 Buoyancy
Purpose:
Present buoyancy in a paradoxical way.
F2-24: ACCELERATED BUOYANT BALL
Category: F2 Buoyancy
Purpose:
Illustrate buoyancy in a paradoxical way.
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H2-01: FOCUSING OF SOUND WITH CONCAVE REFLECTORS
Demonstrate how sound waves can be focused by concave reflectors. Read More
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H2-02: PARABOLIC MICROPHONE
Show what a parabolic microphone is and to demonstrate its sensitivity individually. Read More
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H2-03: ACOUSTIC RADAR
Illustrate how RADAR and SONAR work Read More
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H2-11: SOUND LENS
Demonstrate focusing of sound by refraction in a sound lens Read More
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H2-21 AUDIBLE YOUNG'S EXPERIMENT - GROUP LISTENING
Demonstrates interference of sound waves with two coherent sources
Read More
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H2-22: INTERFERENCE - TRANSPARENCIES
An optical analog to the interference pattern from two identical sound sources. Read More
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H2-24: AUDIBLE YOUNG'S EXPERIMENT - MIC AND SCOPE
Demonstrate interference of sound with two coherent sound sources in a quantitative way. Read More
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H2-25: QUINCKE'S INTERFERENCE TUBES
Demonstrate interference of sound waves in a perhaps surprising way. Read More
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H2-26: PHASE REVERSAL BETWEEN STEREO SPEAKERS - MUSIC
Demonstrate interference of sound in a dramatic way. Read More
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H2-27: PHASE REVERSAL BETWEEN STEREO SPEAKERS - OSCILLATOR
Dramatically demonstrate interference between two identical sources. Read More
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H2-28: FOURIER SYNTHESIZER - ADDITION OF WAVES
Demonstrate addition of two sine waves with variable phase difference. Read More
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H2-31: ACOUSTIC COLLIMATOR
Demonstrate the effect of frequency on diffraction of sound. Read More
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H2-32: SPEAKER WITH BAFFLE
Demonstrates diffraction and interference of sound waves
Read More
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H2-33: SPEAKER AND EXPONENTIAL HORN
Demonstrate the effect of an exponential horn enclosure. Read More
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H2-41 DOPPLER BALL
Demonstrates Doppler effect
Read More
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H2-42 DOPPLER EFFECT - TUNING FORK ON STRING
Demonstrates Doppler effect
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H2-51 BEATS - AUDIO OSCILLATORS, SPEAKER & OSCILLOSCOPE
Hear audio beats and see their wave forms on an oscilloscope
Read More
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H2-52: BEATS AND RESONANCE - TUNING BARS
Demonstrate beats, and to demonstrate resonance between two identical tuning bar resonators. Read More
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H2-53 BEATS - AUDIO OSCILLATORS AND SPEAKERS
Hear beats
Read More
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H2-54: BEATS - MOIRE PATTERN MODEL
Model for beats between mistuned audio oscillators. Read More
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H2-55: BEATS AND RESONANCE - TUNING BOXES
Illustrate beats and resonance. Read More
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