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Cave Formation: Biogeochemical Cycles
This video segment adapted from NOVA chronicles the discoveries that led to a radical new theory in which living organisms, not just geological processes, play an active role in cave formation.
Author(s): WGBH Educational Foundation

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The Two Primary Tasks on the Way to National E_Learn Grid Node
E_learning as a class of applications In this short paper we focus on technological technologies for e-learning from the Kaunas University of Technology.
Author(s): Reklaitis Vytautas,Baniulis Kazys,Masevicius Antan

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"A Modern School": Abraham Flexner Outlines Progressive Education
In the early 20th century, an impressive array of intellectuals, social critics, and grassroots activists came together to launch a progressive education movement that sought broad-based change in American educational practice. At the heart of the progressive program lay a pedagogy that emphasized flexibility and critical thinking. This was coupled with the belief that schools should establish organic relationships with their communities, that curricula should confront broad social issues, and t
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The Bernoulli Equation
John Taylor
Presents the solution of a Bernoulli differential equation. Integration by parts is required.
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Christopher Lydon compilation tape
Christopher Lydon interviews Bill Lee (pitcher, Montreal Expos) at Fenway Park. Lee discusses the possibility of a baseball strike. Lee talks about unions and his feelings about baseball. Lee says that he is no longer 'addicted' to baseball. This compilation tape has three essays by Robert J. Lurtsema about the coming of summer, the coming of fall and barnacles. Lydon reports on the upcoming preliminary elections for the Boston City Council. Lydon analyzes voting patterns in various districts an
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Expanding Universe
This activity is designed to help students gain a deeper understanding of cosmology. Students develop authentic models and gather evidence supporting the Big Bang theory. This lesson uses observation, interactive media, and scientific models.
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Cosmology 101
This is is a primer on scientific efforts to understand the origin, evolution, and fate of the universe. Among the questions it explores: What types of matter and energy fill the universe? What is the age and shape of the universe? How rapidly is it expanding? The website examines the Big Bang theory, as well as tests and limitations of the theory.
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Approaches to Cell Biology Teaching: Learning Content in Context - Problem-Based Learning
Excellent article on problem-based learning that will be an invaluable resource to any interested instructor. The authors review the literature on problem-based learning, provide examples of the use of PBL in the biology classroom. The article includes a discussion of strategies for application of PBL in large enrollment courses, summarizes assessment data, and provides an invaluable bibliography, many of which are web-based resources.
Author(s): Deborah Allen and Kimberly Tanner

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2D NMR Spectroscopy
This site provides a concise, but thorough introduction to NMR spectroscopy with a focus on 2D NMR. This site will be most useful for students with some introductory background in NMR. The basic principles of common 2D NMR experiments are presented and illustrated with spectra. Instructors wanting to illustrate the appearance of a TOCSY, NOESY, or COSY spectrum to an undergraduate class will also find useful information on this web site.
Author(s): Bria, Marc

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Copyright 2002 USTL

Smiles : which is worth more, a smile or a frown?
This activity offers a logic problem in which students are shown an array of smiling, frowning, and neutral faces. Each row and column adds up to a different dollar amount, and students are challenged to determine how much a smile is worth. The activity, from the Figure This! collection of 80 online challenges, notes that working with equations is an important skill in such careers as nursing, chemistry, and engineering. Students are encouraged to begin this challenge by finding rows or columns
Author(s): National Council of Teachers of Mathematics (NCTM)

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Content copyright 1999-2002 National Council of Teachers of Mathematics.

Middle School Portal: Math and Science Pathways (MSP2)
This resource is the first of 5 worksheets on reading a measurement ruler. The Step-by-Step handout allows the learner to practice drawing and identifying measurements by inch, quarter, and half of an inch. Each completed tasks will be indicated by the check placed in the boxes by the learners. In this activity, there are 21 tasks to check off and 1 question to answer. Copyright 2005 International Technology Education Association
Author(s): Louisiana Technology Student Association (LTSA),Lo

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Measuring (Const)
The purpose of this lesson is to introduce students to measuring with both the Standard Ruler and the Metric Ruler. Six attached worksheets will give students practice on measuring. A PowerPoint slide show is provided to introduce the pieces of a ruler. Working with their partners, students will complete worksheets representing equal portions of the inch (i.e. 1/4 and 3/4, or 1/8, 3/8, 5/8, and 7/8). This lesson provides background information for teachers and instructional procedures. Copyright
Author(s): Melvin Robinson

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These materials have been produced by and for the teachers of the State of Utah. Copies of these materials may be freely reproduced for teacher and classroom use. When distributing these materials, cr

Logic for Computer Science: Foundations of Automatic Theorem Proving
This book is intended as an introduction to mathematical logic, with an emphasis on proof theory and procedures for constructing formal proofs of formulae algorithmically. This book is designed primarily for computer scientists, and more generally, for mathematically inclined readers interested in the formalization of proofs, and the foundations of automatic theorem-proving. The book is self contained, and the level corresponds to senior undergraduates and first year graduate students. However,
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Livingeconomics – an instructor-customizable microeconomics principles textbook
Living Economics provides real-world stories, cutting-edge Flash animations, test banks, and online lectures for economic teachers to customize their own principles textbooks. It is intended to serve primarily those teachers who have been searching for a principles textbook that teaches economic concepts from real-world stories instead of widgets. Living Economics is inspired by the time-honored practice of learning languages through immersion rather than remembering grammatical rules.
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Developing a Community Health Promotion Agenda for a Managed Care Organization
Coordination and collaboration between organizations interested in promoting the health of the populations they serve can potentially help to ensure that key services are provided as well as augment the efforts beyond that which could be accomplished by each organization alone. Understanding the perspectives of each organization can facilitate development of health promotion initiatives that will be of mutual benefit. In Maryland, when a Medicaid managed care program was initiated, Memoranda of
Author(s): Burwen, Dale R.,Sylvester, Carol C.,Patow, Carl A.

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An American Success Story: The Pope House of Raleigh, NC
tells the story of Manassa Pope, the first black man to receive a medical license in North Carolina (1886). After practicing medicine and helping establish a drug store and insurance company in Charlotte, Pope moved his family to Raleigh. There he continued his medical practice, built an elegant house (equipped with the latest technologies) located in the best place allowed for a black family in a segregated city. He later ran for mayor.
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African American Perspectives: Pamphlets from the Daniel A. P. Murray Collection, 1818-1907
This site presents a review of African-American history and culture as seen through the practice of pamphleteering. The site includes sermons on racial pride and essays on segregation, voting rights, and violence against African-Americans.
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Elementary Mathematics: Times Tables I
Learn and practice times tables. This is the first of two modules and practices the 2, 3, 4, 5 and 10 times tables. It includes multiplication testing, corresponding division exercises and missing-operand exercises as part of a range of different task types designed to develop an all-round understanding of the times tables.
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Division Races I
Practice your mental and mathematical agility with arithmetic races. A sequence of levels with timed questions. Each level gets progressively faster. The questions themselves are based on division and involve positive integers in the range 0 - 9999. There are a total of 11 levels, combing both multiple-task and single-task questions. Points available increase as the time decreases. Tracking of numerous performance measures is available for self-analysis and parental analysis.
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Arithmetic Races II
Practice your mental and mathematical agility with arithmetic races. A sequence of levels with timed questions. Each level gets progressively faster. The questions themselves are based on the four main arithmetical operations (addition, subtraction, multiplication and division) and involve positive integers in the range 0 - 1000. There are a total of 11 levels, combing both multiple-task and single-task questions. Points available increase as the time decreases. Tracking of numerous performance
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