P2: Energy transfer by heating

Cards (6)

  • Conduction
    When heat is transferred through a solid
    -This is done when the vibrating particles of a solid transfer energy to neighbouring particles through collision
  • Convection
    When heat is transferred through a fluid (liquid or gas)
    -This is done when particles of the fluid move in a convection current, which is when warm particles move to a cool region and cool particles move to a warm region.
  • Radiation
    When heat is transferred through waves
    -This is done when a hot object emits a lot of radiation, for instance, the Sun, and an object absorbs this radiation
  • Specific Heat Capacity
    The energy required to raise the temperature of 1kg of a material by 1ºC
  • Thermal conductivity

    The rate of thermal energy transferred by conduction
  • How much energy per second is transferred to a material depends on:

    •Conductivity
    •Thickness
    •Temperature