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Thermal Properties of Matter


I1-53: LEAD BELL AT LIQUID NITROGEN TEMPERATURE

Purpose: Demonstrate the effect of temperature on vibrations in a lead bell.

I1-52: TUNING FORK AT LIQUID NITROGEN TEMPERATURE

Purpose: Demonstrate the change in frequency of a tuning fork at liquid nitrogen temperature.

I1-51: RUBBER AT LN TEMPERATURE

Purpose: Demonstrate how a normally elastic material at room temperature becomes rigid at very low temperatures.

I1-42: THERMOELECTRIC FAN

Purpose: Illustrate generation and use of thermoelectric current.

I1-41: THERMOELECTRIC MAGNET

Purpose: Demonstrate production and use of thermoelectric current.

I1-40: REVERSIBLE THERMOELECTRIC DEMONSTRATOR

Purpose: Demonstrate thermoelectric power generation or how thermoelectric devices can create hot and cold regions.

I1-32: RUBBER BAND CONTRACTION DURING HEATING

Purpose: Demonstrate that rubber contracts when heated.

I1-22: WATER DENSITY VS TEMPERATURE

Purpose: Demonstrate the change in the density of water with temperature.

I1-21: WATER NEAR 4 DEGREES CELCIUS

Purpose: Demonstrate that the maximum density of water occurs around 4 degrees centigrade.

I1-19: LAVA LAMP

Purpose: Demonstrate differential thermal expansion between two liquids, and to take us all back to the 1960s.

I1-18: BIMETALLIC STRIP THERMOMETERS

Purpose: Allow students to see how bimetallic strips are used in thermometers and thermostats.

I1-17: THERMOSTAT - MODEL

Purpose: Model of use of a bimetal strip in a thermostat.

I1-16: THERMAL CONTRACTION OF CUPS WITH LN

Purpose: Measure coefficients of linear expansion.

I1-15: THERMAL EXPANSION - PIN BREAKER

Purpose: Demonstrate thermal expansion in a dramatic way.

I1-14: THERMAL EXPANSION OF ALUMINUM - OPTICAL LEVER

Purpose: Demonstrate thermal expansion in a complicated way.

I1-12: THERMAL EXPANSION - BALL AND RING

Purpose: Demonstrate thermal expansion.

I1-01: THERMOMETERS

Purpose: Show several types of thermometers.

J2-17: ELECTRIC WIND

Purpose: Demonstrate the "electric wind" phenomenon.

L3-18: FOCUSING OF HEAT WAVES - OVERHEAD PROJECTOR

Category: L3 Curved Mirrors

Purpose: Illustrate focusing of heat in a very dramatic way.

L1-05: PERSISTENCE OF A FILAMENT

Purpose: Demonstrate that high-frequency AC looks like DC.
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