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Cast Iron Pans Versus Regular Teflon Pans

based on 1 rating
Author: Sofia PC

Grade Level: 5th - 6th; Type: Physics

Objective:

In this experiment students will find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Research Questions:

  • What are the advantages of cast iron pans? Teflon?
  • What are some applications of both kinds of pans?

Materials:

  • Cast iron pan
  • Regular teflon pan of the same size
  • Cooking thermometer
  • Timer
  • Pen and paper for notes

Experimental Procedure:

  1. Attach the probe of a cooking thermometer onto the surface of the pan.
  2. Turn on the to medium heat for both pans.
  3. Observe which pan is heating up faster.
  4. Turn off the heat and watch as the temperature drops. Which pan has a faster-dropping temperature?
  5. Record your results.

Terms/Concepts: Cast iron; Teflon; Temperature; Heat

References:

http://en.wikipedia.org/wiki/Cast_iron

Ellis, D.A.; Mabury, S.A.; Martin, J.W.; Muir, D.C.G.; Mabury, S.A.; Martin, J.W.; Muir, D.C.G. (2001). "Thermolysis of fluoropolymers as a potential source of halogenated organic acids in the environment". Nature 412 (6844): 321–324. doi:10.1038/35085548.PMID 11460160.

 George Laird, Richard Gundlach and Klaus Röhrig, Abrasion-Resistant Cast Iron Handbook, ASM International (2000) ISBN 0-87433-224-9

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