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R-Factor
The amount of energy used in a home is greatly impacted by the type of materials used in constructing the home. In particular, the thermal conductivity of the materials will affect how quickly heat is allowed to enter or leave the home. In this hands-on activity, students will measure the ability of various materials to resist heat flow (R-factor) by placing a light bulb inside boxes made of the materials and monitoring the temperatures both inside and outside.
Intended for grade levels:
  • High (9-12)
  • College (13-14)
Type of resource:
  • For the classroom:
    • Classroom activity
    • Lab activity
  • Tools:
    • Calculation / Conversion
Subject:
  • Environmental science
  • Physics
Technical requirements:
Adobe Acrobat reader
Cost / Copyright:
No cost
The materials found on this website were created and compiled by the Environmental Science Activity for the 21st Century (ESA21) project's authors for use by educational institutions and the general public. Copyrighted materials from sources other than the ESA21 authors are used with permission from the original creator. A good faith effort has been made to comply with U.S. copyright law. While the ESA21 authors and Kennesaw State University retain copyright to their materials, permission is given to use them freely in electronic and/or print form at educational institutions for non-profit purposes, as long as source and author are indicated. Use of these materials or edited versions of these materials for profit without the written approval of the project authors and Kennesaw state University is strictly prohibited.
DLESE Catalog ID: ESA-000-000-000-023
Resource contact / Creator / Publisher:
Publisher: Kennesaw State University
Environmental Science Activities for the 21st Century (ESA21)
http://esa21.kennesaw.edu/

Author: John Pratte
Arkansas State University