Balancing and Weighing Targeted Grade Level -- 2 Developed by National Science Resource Center Distributed by Carolina Biological Supply Company

Balancing and Weighing Module Overview

Experiences with a beam balance introduce students to the concept that amount of weight, position of weight, and the position of the fulcrum affect balance. Work with an equal-arm balance challenges students to place objects in serial order on the basis of weight and to appreciate that weighing is the process of balancing an object against a certain number of standard objects. In the final lessons, students turn to a series of problem-solving investigations with the equal-arm balance and cupfuls of four different foods. These activities provide an opportunity to explore the relationship between weight, density, and volume.

Descriptions of the Science and Technology for Children ^tm (STC) units © 1997 National Academy of Sciences. Reproduced with permission from the National Science Resources Center (NSRC), Washington, DC. For more information about the STC ^tm program and other NSRC programs and activities visit the NSRC web site. For information on ordering the STC ^tm curriculum visit the Carolina Biological Supply Company web site.

These module web pages were initially created by Mary McClanahan of Falkville School, Morgan County Schools, and Elaine Sharman of Somerville Road School, Decatur City Schools. Please address comments or questions to hasp@dcs.edu

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