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Curricular Unit: Conduction, Convection, and Radiation

Contributed by: Engineering K-Ph.D. Program, Duke University, Pratt School of Engineering
Photo of a dog sitting in front of a fireplace.
This dog seems to be enjoying the radiation of heat produced by the fire's flames.


With the help of simple, teacher-led demonstration activities, students learn the basic concepts of heat transfer by means of conduction, convection, and radiation. Students then apply these concepts as they work in teams to solve two problems. One problem requires that they maintain the warm temperature of one soda can filled with water at approximately body temperature, and the other problem is to cause an identical soda can of warm water to cool as much as possible during the same thirty-minute time interval. Students design their solutions using only common, everyday materials. They record the water temperatures in their two soda cans every five minutes, and prepare line graphs in order to visually compare their results to the temperature of an unaltered control can of water.

Engineering Connection

Engineers encounter problems of warming and cooling liquids in a number of situations. For soda, this usually involves maintaining a cold temperature, but the principles described here are the same. Students approach the problems presented in this activity as engineers, using heat transfer principles to accomplish a goal.

Grade: 6 (6-8)

Time Required: 2.5 hours

Keywords: heat, energy, conduction, convection, radiation

Related Subject Areas

Related Lessons

Related Activities

  • Ask students to define and give examples of heat transfer by means of conduction, convection, and radiation.
  • Ask students to describe ways people try to cause or prevent heating and cooling by conduction, convection, and radiation in everyday life.
  • Ask students to give examples of materials that serve well for heating by conduction, convection, and radiation, and explain why these materials are particularly well suited for the type of heat transfer involved.


Mary R. Hebrank, Project Writer and Consultant , Duke University, Pratt School of Engineering


© 2004 by Engineering K-Ph.D. Program, Pratt School of Engineering, Duke University
including copyrighted works from other educational institutions and/or U.S. government agencies; all rights reserved.

Supporting Program

Engineering K-Ph.D. Program, Duke University, Pratt School of Engineering

Last Modified: April 18, 2014
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