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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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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