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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)
CK-12 Foundation
Ck 12: Physics: Thermal Properties Study Guide
A study guide for concepts related to thermal energy.
Simon Fraser University
Chem1 Virtual Textbook: How Molecules Take Up Thermal Energy
With an overview of topics related to chemical energetics, this site provides a foundation to a study of thermodynamics with information on thermal energy. Topics covered include heat capacity, temperature, translational motions of...
Georgia State University
Georgia State University: Hyper Physics: Heat Pump
Heat flow from a hot region to a cold region is described and explained. Applications of this phenomenon (specifically heat pumps and refrigerators) are discussed. Excellent graphics.
Georgia State University
Georgia State University: Hyper Physics: Heat of Vaporization
A discussion of the vaporization process and the energy changes which accompany the process. Includes an informative graphic and a discussion of how to determine the heat of vaporization.
Georgia State University
Georgia State University: Hyper Physics: Heat of Fusion
The heat of fusion is defined and described. A graphical representation of the heat of vaporization is given. A method for measuring and calculating the heat of fusion is also presented and explained.
Simon Fraser University
Chem1 Virtual Textbook: The Heat Capacity
With an overview of topics related to chemical energetics, this site provides a foundation to a study of thermodynamics and its relation the heat capacity or specific heat.
Georgia State University
Georgia State University: Hyper Physics: Heat Engine Concepts: Carnot Cycle
The Carnot cycle is described, illustrated and explained. The Carnot efficiency equation is given and interactive JavaScript form allows the visitor to investigate the effect of the reservoir temperature and the sink temperature upon the...