Hot or cold?

April 2007
Energy (9781405318730);2007, p10
Book Chapter
Information on heat and cold from a section of the book "Energy" is presented. It points out that heat is one of the most important forms of energy in the world. It explains that the heat energy of hot things can be attributed to the speed at which their atoms or molecules move about. There is less heat energy in colder objects because their atoms or molecules move more slowly. It notes that there is more heat energy in an iceberg than a hot cup of coffee since the iceberg contains may more water molecules.


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