A page describing (in part) the distinction between energy, temperature and heat. Includes graphic illustrating the quantity of energy needed to transform water between its various states. Methods of thermal energy transfer (convection,...

A page from the question and answer section of this useful site. The page responds to the user question: "Explain convection to me in terms I can understand." An excellent discussion of the method of convection.

Easy-to-understand overviews, with illustrations, a game, and quiz questions, about thermal conductors and insulators.

This site from the University Corporation of Atmospheric Research provides a lengthy page covering numerous topics including the difference between heat and temperature, the use of different temperature scales, thermal expansion, how a...