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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: Science -- Chemistry -- Crystallography -- Crystal structure and growth
Science -- Chemistry -- Study and teaching. Research -- Experiments
Science -- Physics -- Nuclear and particle physics. Atomic energy. Radioactivity
Technology -- Engineering (General). Civil engineering -- Engineering (General). Civil engineering (General) -- Materials of engineering and construction -- Special materials -- Metals
GEM Subject: Science -- Chemistry
Science -- Instructional issues
Vocational Education -- Technical
Vocational Education -- Instructional issues
Vocational Education -- Tech prep
Key Concept: Chemistry -- Crystals and crystallography
Physics -- Particles and particle physics
Manufacturing -- Metals
Resource Type: Instructional Material
Instructional Material -- Demonstration
Instructional Material -- Lesson/Lesson Plan
Instructional Material -- Instructor Guide/Manual
Instructional Material -- Experiment/Lab Activity
Format: Document -- HTML
Audience: Educator
Education Level: High School
Higher Education
Higher Education -- Undergraduate (Lower Division)
Higher Education -- Technical Education (Upper Division)
Higher Education -- Technical Education (Lower Division)
Vocational/Professional Development Education
Language: English
Access Rights: Free access
Full Image
Source Type: ATE Center
Source: NetWorks
Full Record Views: 27
Resource URL Clicks: 6
Cumulative Rating: NOT YET RATED
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