Definition, with demonstrations of using a crank to power light bulbs and of acid battery cells.
Discussion of world power consumption; feasibility of solar power; nuclear power and demonstration of radioactive china.
Discussion of limited availability of fossil fuels; fusion power; demostration of glowing balls with a mysterious power source.
Equation for linear expansion; coefficients for 5 common substances; example of railroads; demonstration of expansion of a brass rod when heated and cooled.
Example and calculation of expansion properties; use in thermostats; demonstration of a bimetal bending.
Bimetals in thermometers, coils, and heating systems. Demonstration of heating and cooling bimetal in a thermometer.
Derivation from linear expansion, with example; demonstration of heating mercury in thermometers.