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Crystal Packin' Mama


Source Institutions

    University of Illinois Urbana-Champaign

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Crystal Packin' Mama

In this activity, learners investigate the basic crystal structures that metal atoms form. Learners construct models of crystals using Styrofoam balls and learn about hexagonal close packing (HCP) and face centered cubic (FCC) packing.

Quick Guide


Preparation Time:
Under 5 minutes

Learning Time:
45 to 60 minutes

Estimated Materials Cost:
$5 - $10 per student

Age Range:
Ages 14 - adult

Resource Types:
Activity, Model

Language:
English

Materials List (per student)


  • 26 Styrofoam balls, about 1.5 inches in diameter
  • 16 toothpicks (round)

Subjects


  • Engineering and Technology
    • Engineering
      • Metallurgy and Materials Engineering
      • Nanotechnology
  • Physical Sciences
    • Chemistry
      • Chemical Bonding
    • States of Matter
      • Solids
    • Structure and Properties of Matter
      • Atomic Structure
      • Volume and Density

Informal Categories


  • Arts and Crafts
  • Model Building

Audience


To use this activity, learners need to:

  • see
  • see color
  • touch

Learning styles supported:

  • Involves hands-on or lab activities

Other


This resource is part of:

Access Rights:

  • Free access

By:

Funding Sources:

  • National Science Foundation Education and Human Resource Directorate, ESI 92-53386
  • National Science Foundation Center for Advanced Cement Based Materials
  • Dow Chemical Foundation
  • Materials Research Society
  • Iron and Steel Society
  • Peoria Chapter of the American Society for Metals

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