Extensive collection of experiments illustrating fundamental principles of physics. Demonstrations on this disc: Viscosity - air friction, viscous drag, ball drop, gas viscosity change with temperature, viscosity of alcohol at low temperatures, oil viscosity; Thermal Phenomena - thermal expansion of wire, bimetallic strip, thermostat model, pin breaker, thermal expansion, thermal expansion of air, thermal expansion of water, negative thermal coefficient of water, dust explosion, scaling cube, specific heat, s pecific heat with rods and wax, boiling water in paper cup, wate balloon heat capacity; Heat Transfer - thermal conductivity, Leidenfrost phenomenon, radiometer, two can radiation, radiation cube, insulation ( Dewar Flasks ), convection currents. Kit contains: DVD with English and Spanish audio tracks and subtitles, and bilingual study gu ide.