When a substance is heated its temperature will rise until it changes state. At change of state heat energy is taken in to make a substance melt or boil or given out to make it condense or freeze.

In this topic you need to know about the following: -

  • What happens to an object when it is heated.
  • What happens at change of state.
  • What specific heat capacity and latent heat is.
  • Use the arrows below to continue to revise.