JCE Online Journal of Chemical EducationDivision of Chemical Education, American Chemical SocietyAmerican Chemical Society
 | Subscriptions  | Software Orders  | Support  | Contributors  | Advertisers  | 



  Home > JCE Print > Journal of Chemical Education > Issues > 2007  > March  >
Chemical Education Today
JCE Classroom Activity
Cool! Rates of Heating and Cooling
Martin Bartholow
Johnson County Community College, Overland Park, KS 66213,
Cover
March 2007
Vol. 84 No. 3
p. 448A
Abstract
In this Activity, students measure and graph the rate of warming for a chilled thermometer bulb held in room temperature air, for a chilled bulb held between two fingers, and for a few milliliters of chilled water. Students are familiar with the everyday phenomena of warming, but measurement affords the unexpected result that the process is not linear. An extension allows student inquiry into how different variables affect the rate of warming of water. Measuring temperature change is foundational for other experiments, and rates of warming and cooling can lead into a kinetic description of heat and matter. The Activity can also be related to Newton's Law of Cooling.
Supplement
Sample data and graphs from this activity are available.
*
 Download
Contents
  JCE2007p0448AW.zip
Folder JCE2007p0448AW containing march07_activitysupplement.xls (Microsoft Excel)
More Information
*
Citation
Bartholow, Martin. J. Chem. Educ. 2007 84 448A.
*
Keywords
Calorimetry / Thermochemistry; High School / Introductory Chemistry; Inquiry-Based / Discovery Learning; Physical Chemistry
*
History
Created:
Last Updated:
2/1/2007
2/22/2007
 Caution! 
Experiments, laboratory exercises, lecture demonstrations, and other descriptions of the use of chemicals, apparatus, instruments, computers, and computer interfaces are presented in the Journal of Chemical Education as illustrative of new or improved ideas or concepts in chemistry instruction and are directed at qualified teachers. Although every effort is made to assure and encourage safe practices and safe use of chemicals, the Journal of Chemical Education cannot assume responsibility for uses made of its published materials. Many chemicals are hazardous. Precautions for the safe use of hazardous chemicals and directions for their proper disposal are described in the Material Safety Data Sheets and on the labels. We strongly urge all those planning to use materials from our pages to make choices and to develop procedures for laboratory and classroom safety in accordance with local needs and situations.
<< Previous Article Table of Contents Next Article >>
  Home > JCE Print > Journal of Chemical Education > Issues > 2007  > March  > Page 448A



Chemistry Teacher Connection

The "Chemistry Teacher Connection" (CTC) is especially for high school chemistry teachers. For only $40/year, it offers an online-only subscription to CLIC along with membership in the Division of Chemical Education, normally $65/year. CTC subscribers receive access to all articles and supplements from 1996 through the current issue.
More About CTC
Order the Chemistry Teacher Connection

C&EN CLICs

Through special arrangement with the ACS, JCE High School CLIC is now able to provide subscribers with online access to Chemical & Engineering News articles that have been selected specifically for secondary science instructors and their students. 
 C&EN CLICs

JCE Collections Available
Occasionally, collections of JCE back issues become available for donation to individual teachers, schools, or libraries. JCE matches collections with interested recipients. Recipients pay shipping costs or pick up the collection.
 List of available collections

Contributions Welcome
JCE welcomes your submission
 Contributors's Corner

Subscriptions
 Subscription Info
 Order Forms

Fishing for New Ideas
Always in the
process of
improving, CLIC
welcomes ideas and comments.

Email Us

NSF logoDivCHEDACS ACS PubsFor journals in other fields of chemistry visit ACS Publications.
Comments to
jceonline@chem.wisc.edu		 Copyright © 2008 Division of Chemical Education, Inc., American Chemical Society.
All rights reserved.		  Terms | Privacy