The Vertical Integration Project
Chemical Education Committee
Department of Chemistry, University of Arizona

Site Design and Development

Michael Bruck Computing Support mbruck@u.arizona.edu		John Pollard Tools Design jpollard@u.arizona.edu
	Vicente Talanquer Project Coordinator vicente@u.arizona.edu
Steve Brown Laboratory Coordinator sbrown@u.arizona.edu		Anne Padias Laboratory Coordinator anne@u.arizona.edu

Funding and Support
New Learning Environments Initiative, University of Arizona
Camille and Henry Dreyfus Foundation
Learner Centered Education Grant, Arizona Board of Regents
Department of Chemistry, University of Arizona

ChemThreads

ChemThreads is an educational tool designed to help students integrate their chemistry knowledge. The website is organized around six main threads: chemical analysis, chemical synthesis, chemical classifications, chemical architecture, chemical dynamics, and chemical reactivity. These thematic units have been chosen to organize the material around what we see as "big ideas" in chemistry.

Each of the threads is composed of a set of interconnected modules that address central concepts in the discipline. Within a module, you have access to: basic information on the module's topic, exploratory activities designed to foster your understanding of central ideas, a review quiz, concept maps to help you integrate your knowledge, useful simulations and other visualization tools, and links to related modules. Additionally, some modules allow you to access the module's content based on your level of understanding, from freshman to senior, helping you build connections between what you are currently learning in your chemistry classes and the ideas discussed in previous and future courses.

Chemthreads also offers a variety of resources that can help instructors implement interactive activities and group and individual projects in their courses (tools link).

Main Portal

Through the main portal you have access to each of the six threads, and also a direct link to: the set of visualization tools available in ChemThreads, support material for chemistry courses, and the general index, You will also find ways to access "featured topics" in the website (check what's new).

ChemThread's Modules

Chemthreads is organized in a series of inteconnected modules. Each module contains basic information for a given topic and most modules include a set of learning activities (review quizzes, explorations, applications).

There are several ways to navigate between different modules: highlighted text, nodes in a concept map, and the menus for related links and associated academic levels.

Interphase Partition: The Central Idea Certain analytical techniques are based on the capacity of a chemical substance to distribute or partition between two different phases that are in contact with each other. The differential distribution of a substance between two phases can be used as the differentiating characteristic to separate it from other components. When a mixture of two or more components is placed in contact with a system in a different phase, molecules of the various chemical species move across the interface. The final distribution of molecules in each of the two phases is strongly influenced by the strength of the interactions between different particles in the system. Partition between two phases is the differentiating characteristic at the base of the following separation methods: DISTILLATION CHROMATOGRAPHY EXTRACTION

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Chromosome Extraction