Activity Number
171
Editable
Central Concepts
Benchmarks and Standards
Extensions and Connections
Activity Credits
Requirements

Liquid Crystals: the Mesophase between Solids and Liquids (a 1-p model exploration by Charles Xie)

Interactive, scaffolded model

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This Activity Requires:

  • Java 1.5+ - Java 1.5+ is available for Windows, Linux, and Mac OS X 10.4 and greater. If you are using Mac OS X 10.3, you can download MW Version 1.3 and explore within it instead.

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Central Concepts

Key Concept:

Liquid crystals are materials composed of rigid rod-like or disc-like molecules (mesogens) that have strong dipoles.

Additional Related Concepts

Physics/Chemistry

  • Crystallization
  • Liquid
  • Liquid crystal
  • Solid

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Benchmarks and Standards

NSES

  • Physical-Science: Matter Structure/Properties - 4 The physical properties of compounds reflect the nature of the interactions (Full Text of Standard)

  • Physical-Science: Matter Structure/Properties - 5 Solids, liquids, and gases differ in the distances and angles between molecules (Full Text of Standard)

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Extensions and Connections

http://ice.chem.wisc.edu/catalogitems/ScienceKits.htm

LED Color Strip Kit that "illustrates the properties of LEDs and semiconductor materials with a series of hands-on, minds-on activities that fulfill NSES Science Content Standards and STL Technology Content Standards."

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Activity Credits

Created by CC: Molecular Literacy using Molecular Workbench

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Requirements

  • Java 1.5+ - Java 1.5+ is available for Windows, Linux, and Mac OS X 10.4 and greater. If you are using Mac OS X 10.3, you can download MW Version 1.3 and explore within it instead.

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NSF Logo
These materials are based upon work supported
by the National Science Foundation under grant numbers
9980620, ESI-0242701, EIA-0219345, DUE-0402553, and 0628181.

Any opinions, findings, and conclusions or recommendations expressed in this
material are those of the author(s) and do not necessarily reflect
the views of the National Science Foundation.