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Physics World: Radioactive Decay Accounts for Half of Earth's Heat
Find out about the source of heat from the Earth's core. (Published 19 July 2011)
Khan Academy
Khan Academy: What Is Thermal Energy?
Learn what thermal energy is and how to calculate it.
Physics4kids
Physics 4 Kids: Heat and Thermal Energy
When scientists originally studied thermodynamics, they were really studying heat and thermal energy. Heat can do anything: move from one area to another, get atoms excited, and even increase energy. Did we say energy? That's what heat...
Khan Academy
Khan Academy: Thermodynamics Article
Thermodynamics is a very important branch of both physics and chemistry. It deals with the study of energy, the conversion of energy between different forms and the ability of energy to do work. Through this article, you will begin to...
University of Alaska
Alaska Science Forum: Daniel Fahrenheit, Anders Celsius Left Their Marks
This resource provides an account of the lives of the two scientists responsible for two of the most common temperature scales. Includes biographical information about each and a description of how each developed their own temperature...