Needs New Photo
F2-23: BUOYANCY PARADOX - INVERTED BLOCK
Category: F2 Buoyancy
Purpose:
Illustrate buoyancy in a paradoxical way.
F2-22: BUOYANCY PARADOX - ACCELERATED FRAME
Category: F2 Buoyancy
Purpose:
Illustrate dramatically the concept of buoyancy.
F2-10: BUOYANT BUBBLES
Category: F2 Buoyancy
Purpose:
Demonstrate buoyancy and diffusion in an interesting way.
F2-04: BUOYANCY - SPHERE AND WATER
Category: F2 Buoyancy
Purpose:
Challenge the students' thinking about the buoyant force by considering the question: "Will a round object, without a flat top and bottom surface, experience a buoyant force, as does a cylinder?"
F2-03: CARTESIAN DIVER - EXPLICIT VERSION
Category: F2 Buoyancy
Purpose:
Demonstrate explicitly how a cartesian diver works by showing how the water enters the diver when the pressure in the cylinder is increased.
N3-41: SPLITTING OF SPECTRUM INTO COMPLEMENTARY COLORS
Category: N3 Color
Purpose:
Show complementary colors by removing a band from the white light spectrum.
N3-33: MAXWELL'S EXPERIMENT - THREE-COLOR MIXING
Category: N3 Color
Purpose:
Demonstrate three-color mixing with positive colors.
N3-31: COLOR SEPARATION TRANSPARENCIES
Category: N3 Color
Purpose:
Illustrate color mixing of negative color transparencies.
F1-21: LIPLESS STRAW
Category: F1 Pressure in Static Fluids
Purpose:
Demonstrate the role of atmospheric pressure in the operation of a drinking straw.
F1-15: PRESSURE GLOBE
Category: F1 Pressure in Static Fluids
Purpose:
To illustrate several interesting phenomena related to air pressure
F1-14: PISTON DIAMETER VS TRAVEL - WORKING MODEL
Category: F1 Pressure in Static Fluids
Purpose:
Show that with an incompressible fluid the bigger piston moves more slowly than the smaller piston.
D5-24: ROTATING PENDULA - LENGTH VS. HEIGHT
Category: D5 Rotational Esoterica
Purpose:
Show that pendula of different length suspended from the same point rotating at the same angular speed rise to the same vertical height.
D5-23: ROTATING BEAD ON LOOP
Category: D5 Rotational Esoterica
Purpose:
Demonstrate the presence of a "critical parameter" which determines the dynamic behavior of a simple physical system.
D5-22: ROTATING PENDULUM
Category: D5 Rotational Esoterica
Purpose:
Demonstrate the presence of a "critical parameter" which determines the dynamic behavior of a simple physical system.
D5-21: BALL ROLLING ON ROTATING DISC
Category: D5 Rotational Esoterica
Purpose:
Show that a sphere rolling on a rotating disc will move in circles.
F1-13: CONSTANT WATER PRESSURE
Category: F1 Pressure in Static Fluids
Purpose:
Demonstrate a mechanism which produces a constant water pressure.
F1-12: PASCAL'S LAW - COILED TUBE PARADOX
Category: F1 Pressure in Static Fluids
Purpose:
Illustrate Pascal's law in a dramatic way.
D5-12: CORIOLIS EFFECT - WATER JET
Category: D5 Rotational Esoterica
Purpose:
Model the Coriolis effect.
D5-11: CORIOLIS EFFECT - BALL ON ROTATING PLATFORM
Category: D5 Rotational Esoterica
Purpose:
Illustrate the Coriolis 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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