Concord Consortium
Concord Consortium: Molecular Workbench: Loschmidt's Paradox
Use this simulation to observe how Loschmidt's Paradox affects the entropy of an isolated system.
Sophia Learning
Sophia: Entropy and Negentropy: Lesson 2
At the end of this tutorial, the learner will understand the concepts of entropy and negentropy and will understand that systems gradually move towards entropy unless additional energy is introduced to them. It is 2 of 3 in the series...
Annenberg Foundation
Annenberg Learner: American Passages: The Search for Identity: Thomas Pynchon
Thomas Pynchon is featured in this brief biography for his literary contributions focused upon the postmodern era. See "Thomas Pynchon Activities" for further information.
Sophia Learning
Sophia: Spontaneity of a Chemical Reaction
Find out what entropy and enthalpy have to do with a spontaneous chemical reaction. [3:44]
Georgia State University
Georgia State University: Hyper Physics: Entropy
This informative site is from Georgia State University. The tendency of nature to move towards a more disordered state in an isolated system, a concept known as entropy, is discussed. This concept is well-depicted in meaningful diagrams.
Physics Aviary
Physics Aviary: Practice Problems: Heat Transfer Problem With Entropy
Determine the change in entropy that occurs when heat moves through a barrier that is separating gases at two different temperatures.
Other
Cosmic Ancestry/the Second Law of Thermodynamics
The differences between thermodynamic entropy and logical entropy are explained, especially how they relate to the second law of thermodynamics. Entropy in biology is also discussed.
TED Talks
Ted: Ted Ed: What Is Entropy?
Find out about the process that explains why ice melts, why cream spreads in coffee, why air leaks out of a punctured tire. Jeff Phillips gives a crash course on entropy.
Texas Education Agency
Texas Gateway: Thermodynamics: Summary
This is a summary of each of the sections in Chapter 15: Thermodynamics from the AP Physics online text.
Texas Education Agency
Texas Gateway: Thermodynamics: Glossary
This is a glossary of terms and definitions used in Chapter 15: Thermodynamics from the AP Physics online text.
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Thermochemistry
This chemistry e-textbook provides students with AP-level reading and practice material on thermochemistry.
Science is Fun
Science Is Fun: Rubber Bands and Heat
An experiment to investigate the thermal properties of rubber by studying its behavior in different scenarios. A discussion of how entropy explains what is observed is provided.
CK-12 Foundation
Ck 12: Chemistry for High School
This digital textbook covers core chemistry concepts and includes interactive features, real-world examples, and videos.
CK-12 Foundation
Ck 12: Physics: Thermal Properties Study Guide
A study guide for concepts related to thermal energy.
MadSci Network
The Mad Scientist Network/is 0 K Absolute Zero?
Using a question and answer format, this page explains what is meant by the term "absolute zero." The basis for the Kelvin temperature scale is described. And the relationship between heat or energy and temperature is discussed.
University of Sydney (Australia)
Entropy and the Second Law of Thermodynamics [Pdf]
A set of printable pdf pages from the University of Sydney's "Thermal Physics Module" site. Entropy is defined and explained conceptually. The mathematical treatment of entropy is introduced. The second law of thermodynamics and its...
Simon Fraser University
Chem1 Virtual Textbook: Effect of Temperature and Concentration on the Entropy
With an overview of topics related to chemical equilibrium, this site provides a foundation to a study of thermodynamics and entropy. The specific topic addressed is effect of temperature, volume, and concentration on the entropy.
Simon Fraser University
Chem1 Virtual Textbook: Standard Entropies of Substances
With an overview of topics related to chemical equilibrium, this site provides a foundation to a study of thermodynamics and entropy. Other topics covered include standard entropy, gases, and more.
Simon Fraser University
Chem1 Virtual Textbook: Absolute Entropies
With an overview of topics related to chemical equilibrium, this site provides a foundation to a study of thermodynamics and entropy. The subject, absolute entropies, is discussed in addition to the third law of thermodynamics, phase...
Victorian Web
Victorian Web: Conservation of Energy and Thermodynamics
This site is about the trace of the evolution of historical ideas concerning energy conservation and the laws of thermodynamics.
Wikimedia
Wikipedia: Rudolf Clausius
This site from the Encyclopedia Wikipedia provides brief biographical information on German physicist and mathematician Rudolf Clausius including an image, hyperlinked terms, and external links.
Instituto Latinoamericano de la Comunicacion Educativa
La Ciencia Para Todos: Fisica
In this site you will find several topics from Physics such as materials, steam machines, conservation, the concept of entropy, relativity and gravitation,
Other
Web Dictionary of Cybernetics:thermodynamics
A definition of thermodynamics and its laws from the Web Dictionary of Cybernetics and Systems. Part of an online dictionary of scientific terms. Includes hypertext links to other definitions are provided.
Other
New Mexico State University: Change in Entropy
An example of a calculation of the change in entropy in a simple chemical reaction.