Explain everyday applications using ideas about conduction, convection and radiation, including: (a) heating objects such as kitchen pans (b) heating a room by convection (c) measuring temperature using an infrared thermometer (d) using thermal insulation to maintain the temperature of a liquid and to reduce thermal energy transfer in buildings

Explain applications and consequences of thermal expansion in the context of common examples, including the liquid-in-glass thermometer

State the approximate range of frequencies audible to humans as 20Hz to 20000Hz