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Title: Atomic BB's: A Particle Model of Metals
Url: http://matse1.matse.illinois.edu/metals/b.html
Publisher: University of Illinois at Urbana-Champaign. Dept. of Materials Science and Engineering
Description: The Materials Science and Technology Teacher's Workshop (MAST) provides this experiment on the basic particle model for metals. The activity uses Bbs in a Petri dish to simulate the formation and movement of metal atoms as well as show dislocation and vacancy movement. Students will fill a Petri dish with bbs and pretend the bbs represent atoms in a metal. The movement of each bb represents heat and this causes various defects in their crystal structure. By doing this, students will observe defects such as vacancies, grain boundaries and dislocations.

The lesson includes a step by step explanation of the laboratory procedure and discussion questions. The exercise should take about 40 minutes of class time to complete.
LC Classification: Technology -- Engineering (General). Civil engineering -- Engineering (General). Civil engineering (General) -- Materials of engineering and construction -- Special materials -- Metals
Science -- Physics -- Nuclear and particle physics. Atomic energy. Radioactivity
Science -- Chemistry -- Study and teaching. Research -- Experiments
Science -- Chemistry -- Crystallography -- Crystal structure and growth
GEM Subject: Vocational Education -- Technical
Vocational Education -- Tech prep
Vocational Education -- Instructional issues
Science -- Instructional issues
Science -- Chemistry
Key Concept: Physics -- Particles and particle physics
Manufacturing -- Metals
Chemistry -- Crystals and crystallography
Key Concepts Complete: Yes
Resource Type: Demonstrations
Instructional Materials
Laboratory Modules
Lesson Plans
Science Materials
Teaching Guides
Text (DCMI Type Vocabulary)
Format: html
Audience: College/University Instructors
Higher Education
Secondary Education
Teachers
Technical School First Cycle
Technical School Second Cycle
University First Cycle
Vocational Training
Language: English
Access Rights: Free access
Date Of Record Release: 2011-11-10 03:00:02 (W3C-DTF)
Date Last Modified: 2011-10-11 09:33:44 (W3C-DTF)
Source Type: ATE Center
Source: NetWorks
Full Record Views: 151
Resource URL Clicks: 17
Cumulative Rating: NOT YET RATED
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