Needs New Photo
E2-50: PULSAR MODEL - FLASHLIGHTS
Category: E2 Astronomy
Purpose:
Illustrate beaming pattern of pulsars and pulsed binary X-ray sources.
E2-49: PULSAR MODEL - RADIOWAVES
Category: E2 Astronomy
Purpose:
Show the changing field pattern from a rotating dipole.
E2-48: NON-TWINKLING PLANET
Category: E2 Astronomy
Purpose:
Illustrate why a planet does not "twinkle" like a star.
E2-47: TWINKLING STAR
Category: E2 Astronomy
Purpose:
Show how air currents cause the "twinkling" of a star.
E2-46: ECLIPSING BINARY STAR MODEL - SPHERES
Category: E2 Astronomy
Purpose:
Illustrate the orbits of stars in an eclipsing binary.
E2-45: ECLIPSING BINARY STAR MODEL - LIGHTS
Category: E2 Astronomy
Purpose:
Show how we view a rotating binary star.
E2-44: BINARY STAR MODEL
Category: E2 Astronomy
Purpose:
Illustrate the orbital motion of a binary star system.
E2-43: ROTATING STAR FIELD
Category: E2 Astronomy
Purpose:
Show the apparent motion of the night sky.
E2-36: DENSITY STRATIFICATION - FORMATION OF PLANETS
Category: E2 Astronomy
Purpose:
Demonstrates how density stratification (differentiation) in interior of planets occurs.
E2-24: UMBRA AND PENUMBRA - COLOR FILTERS
Category: E2 Astronomy
Purpose:
Identify the source of penumbra regions.
E2-23: UMBRA AND PENUMBRA - EXTENDED SOURCE
Category: E2 Astronomy
Purpose:
Show umbra and penumbra with an extended source, as in an eclipse.
E2-11: SOLAR PLASMA MODEL
Category: E2 Astronomy
Purpose:
Mass driver and ring heater show coronal holes and coronal heating.
E2-03: CRATER FORMATION MODEL
Category: E2 Astronomy
Purpose:
Illustrate how a crater forms as a result of an impact or a blast from below.
E1-21: GRAVITATIONAL LENS OPTICAL MODEL
Category: E1 Gravitation and Orbits
Purpose:
Demonstrate optical characteristics of a gravitational lens.
E1-12: MARBLE IN GLASS BOWL
Category: E1 Gravitation and Orbits
Purpose:
Demonstrate orbits in a gravitational potential well.
E1-01: CAVENDISH EXPERIMENT - MODEL
Category: E1 Gravitation and Orbits
Purpose:
Aid in describing the Cavendish experiment.
C7-51: BALLISTIC PENDULUM - PELLET GUN
Category: C7 Collisions
Purpose:
Determine the speed of an air gun pellet using a ballistic pendulum.
C7-43: AIR TABLE - SMALL - COLLISIONS OF PUCKS
Category: C7 Collisions
Purpose:
Demonstrate collisions of pucks on an air table in rooms not accessible by the large air table.
C7-25: SUPERBALL, VACUUM MUD AND WOOD BLOCK COLLISIONS
Category: C7 Collisions
Purpose:
Show that a larger impulse is imparted by an elastic collision.
C7-21: ENERGY AND MOMENTUM - COLLISION AND PROJECTILE
Category: C7 Collisions
Purpose:
Illustrate conservation of momentum and conservation of energy.
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K5-01: PIEZOELECTRICITY
Demonstration of a piezoelectric crystal Read More
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K5-02: PIEZOELECTRIC CRYSTAL - AUDIBLE
Demonstrate that a piezoelectric crystal converts electrical impulses into physical vibrations Read More
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K5-03: PIEZOELECTRIC IGNITOR
Show a commercial use for piezoelectricity Read More
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K5-04: PIEZOELECTRIC GUN
Application of piezoelectricity to produce copious quantities of electric charge Read More
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K5-11: BATTERY MODEL
Simple model of a battery using a human as the source of energy Read More
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K5-12 BATTERY AND CURRENT - WORKING MODEL
Model of battery with circuit attached
Read More
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K5-13: ELECTRIC CURRENT - MODEL
Indicate how electrons really flow through a conductor Read More
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K5-14: ELECTRIC CELL
Demonstrate how an electric cell is formed Read More
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K5-16: CARRIER CURRENT DENSITY MODEL
Model the density of carriers crossing a plane Read More
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K5-21: AC PLUG CIRCUIT CHECKER
Check the wiring of 110VAC power sockets Read More
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K5-22: AC PLUG CIRCUIT CHECKER CHECKER
Demonstrate each different kind of wiring error Read More
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K5-23: ROTATING TWO-COLOR LED
Demonstrate that what comes out of a 110 VAC plug is in fact alternating current Read More
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K5-31 OHM'S LAW
Demonstrates relationship between current, voltage, and resistance Read More
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K5-32: RESISTANCE VS DIAMETER AND LENGTH
Determine how resistance varies as a function of diameter and length for the same material Read More
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K5-33 CONDUCTIVITY OF SALT SOLUTION
Shows that pure water is not conducting, but a solution of an electrolyte is conducting
Read More
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K5-34: THERMAL COEFFICIENT OF RESISTANCE IN COPPER
Show that the resistance of copper changes linearly with temperature Read More
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K5-35: RESISTORS AT LN TEMPERATURE
Illustrate materials with both positive and negative temperature coefficients of resistivity Read More
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K5-36: RESISTORS AT LN TEMPERATURE - LIGHT BULB INDICATOR
Demonstrate materials with both positive and negative temperature coefficients of resistance Read More
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K5-41: V-I CURVES FOR OHMIC AND NON-OHMIC DEVICES
Illustrate resistive properties of resistors and diodes Read More
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K5-42: TRANSISTOR
Demonstrate a transistor circuit Read More
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K5-43: NON-OHMIC DEVICE - V VS. I
Demonstrates the non-linearity of the V vs I curve for a diode
Read More
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K5-44: NON-OHMIC DEVICE - LIGHT BULB
Show the change in resistance of a light bulb with temperature Read More
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K5-45: SEMICONDUCTOR MODEL
Model of semiconductor Read More
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