• "The Educator's Guide to Convection" - Jet Propulsion Laboratory "Introduction to Heat Transfer"
  University of Minnesota Dept of Mechanical Engineering Site defines heat, explains what heat transfer is and why it is important.

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• "Work, energy, and power" - HyperPhysics
  Site defines each term. Click on concept box to view a concept map that visually explains each term. Site also includes every day examples of these concepts in action and allows you to input numbers and complete various calculations.
• "How force, power, torque, and energy work" - HowStuffWorks
  Through a series of links, this site defines common physics terms and explains how these different concepts work together. Includes a list of web links for further information.
• Energy, work, and power - About.com
  Click on buttons to receive definitions, mathematical derivations, and examples to help in understanding work, kinetic energy, potential energy, power, and more.

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• "Energy Efficiency and Renewable Energy Network (EREN)" - Dept of Energy Site reviews technologies to improve energy efficiencies in a variety of sectors:
  • Buildings
  • Transportation
  • Industry
  • Geothermal Power
  • Hydrogen Fuel Cells
  • Solar Energy
  • Wind and
  • Hydropower

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