4A10  Thermometry
            .50 Liquid Crystal Sheets
4A20  Liquid Expansion
            .10 Thermal Expansion of Water
            .30 Negative Expansion Coefficient of Water
4A30  Solid Expansion
            .10 Bimetallic Strip
            .11 Thermostat Model
            .22 Thermal Expansion
            .30 Pin Breaker
            .60 Thermal Expansion of Wire
4A40  Properties of Materials at Low Temperature
            .15 Elasticity at Low Temperatures
            .40 Viscosity of Alcohol at Low Temperatures
4A50  Liquid Helium