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ERIC Number: EJ892975
Record Type: Journal
Publication Date: 2010
Pages: 8
Abstractor: As Provided
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0009-2479
The Soccer Ball Model: A Useful Visualization Protocol for Scaling Concepts in Continua
Arce, Pedro E.; Pascal, Jennifer; Torres, Cynthia
Chemical Engineering Education, v44 n2 p111-118 Spr 2010
When studying the physics of transport, it is necessary to develop conservation equations, and the concept of a continuum scale must be introduced. Most textbooks do not address this issue, assuming that the mathematical steps are familiar to the learner. In fact, students are introduced to physical concepts, such as mass, momentum, and energy for discrete objects. Therefore, understanding these physical concepts from a continuum point of view and building new blocks of knowledge on what they already know can be very challenging for the learner. An alternative approach is to design a student-centered activity to engage the students in every step from one scale to the other. The approach described in this paper introduces a helpful bridge between the two descriptions, i.e. discrete and continuum. Thus, we propose an approach that uses soccer balls, to help with this transformation process, and it is illustrated in detail for the case of total mass of the system and suggests alternative procedures for the cases of momentum and energy of the system.
Chemical Engineering Education, Chemical Engineering Division of ASEE. P.O. Box 142097, Gainesville, FL 32614. Tel: 352-392-0861; Fax: 352-392-0861; e-mail: cee@che.ufl.edu; Web site: http://cee.che.ufl.edu/index.html
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A