ASTR 100
E2-73: AUDIOTAPE 18 MIN - SOUNDS FROM SPACE
Category: E2 Astronomy
Purpose:
Tape of signals from several early artificial satellites.
I5-21: HEATING AIR BY COMPRESSION
Category: I5 Laws of Thermodynamics
Purpose:
Demonstrate heating air by compression.
I4-51: SUBLIMATION OF DRY ICE - PROJECTION
Category: I4 Changes of State
Purpose:
Demonstrate sublimation of carbon dioxide (dry ice) from a solid into a gas.
I4-17: AIR BALLOON ON LIQUID NITROGEN
Category: I4 Changes of State
Purpose:
Demonstrate dramatically that the volume of vapor is greater than the volume of the same amount of liquid.
K8-51: MICROWAVE OVEN
Category: K8 Electromagnetic Waves and Sources
Purpose:
Demonstrate operation and experimentation with a microwave oven.
I1-51: RUBBER AT LN TEMPERATURE
Category: I1 Thermal Properties of Matter
Purpose:
Demonstrate how a normally elastic material at room temperature becomes rigid at very low temperatures.
I1-19: LAVA LAMP
Category: I1 Thermal Properties of Matter
Purpose:
Demonstrate differential thermal expansion between two liquids, and to take us all back to the 1960s.
J6-03: ELECTROMAGNET WITH JUNK - WITHOUT CORE
Category: J6 Electromagnets
Purpose:
Demonstrate electromagnetism.
F2-12: HOT AIR BALLOON
Category: F2 Buoyancy
Purpose:
Show that hot air is less dense than cold air by operating a hot air balloon.
N3-22: SUBTRACTIVE FILTERS AND THEIR SPECTRA
Category: N3 Color
Purpose:
Compare colors and spectra of negative filters.
D1-55: ROTATING ELASTIC RINGS
Category: D1 Rotational Kinematics and Dynamics
Purpose:
Demonstrate "centrifugal reaction" and to indicate why the earth is oblate.
E2-63: EXPANDING UNIVERSE
Category: E2 Astronomy
Purpose:
Demonstrate the concept of the expansion of the universe.
E2-50: PULSAR MODEL - FLASHLIGHTS
Category: E2 Astronomy
Purpose:
Illustrate beaming pattern of pulsars and pulsed binary X-ray sources.
E2-37: PLATONIC SOLIDS AND KEPLER
Category: E2 Astronomy
Purpose:
Visualize the Platonic solids and Kepler's dream for using them to explain planetary orbits.
E2-36: DENSITY STRATIFICATION - FORMATION OF PLANETS
Category: E2 Astronomy
Purpose:
Demonstrates how density stratification (differentiation) in interior of planets occurs.
E2-33: RETROGRADE MOTION
Category: E2 Astronomy
Purpose:
Demonstrate the observation of another planet as seen from the earth.
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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
Read More
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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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