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Articles 2191 - 2220 of 6761
Full-Text Articles in Physical Sciences and Mathematics
Wind For Schools: A Wind Powering America Project, National Renewable Energy Laboratory
Wind For Schools: A Wind Powering America Project, National Renewable Energy Laboratory
Publications (E)
Energy is largely taken for granted within our society, but that perception is changing as the economic and environmental impacts of our current energy structure are more widely understood. The U.S. Department of Energy’s (DOE’s) Wind Powering America program sponsors the Wind for Schools Project to raise awareness in rural America about the benefits of wind energy while simultaneously developing a wind energy knowledge base in the United States to educate future leaders of our communities, states, and nation about the importance of renewable energy.
The three primary project goals of the Wind for Schools Project are to:
• Engage …
Iowa Academy Of Science 122nd Annual Meeting [2010]: Advance Program, Iowa Academy Of Science
Iowa Academy Of Science 122nd Annual Meeting [2010]: Advance Program, Iowa Academy Of Science
Iowa Academy of Science Documents
Contains information about the schedule and presentations for the 2010 annual meeting of the Iowa Academy of Science.
Proceedings Of The 122nd Annual Meeting Of The Iowa Academy Of Science [Program, 2010], Iowa Academy Of Science
Proceedings Of The 122nd Annual Meeting Of The Iowa Academy Of Science [Program, 2010], Iowa Academy Of Science
Iowa Academy of Science Documents
Contents:
Program Summary --- 2-3
Acknowledgements --- 4
Welcome from our Campus Host --- 5
IAS 2009-2010 Volunteers --- 6
Iowa Junior Academy of Science --- 7
General Session I --- 8
IJAS Award Luncheon --- 9
IAS Annual Business Meeting --- 9
Symposia Presentations --- 10-12
Great Moments in Iowa Science --- 13
Senior Poster Program --- 14-15
President's Banquet --- 16
General Session 11 --- 17
General Session III --- 18
ESTA Award Luncheon --- 19
Saturday Field Trips --- 20
Section Meeting Programs and Oral Presentations (Alphabetical by Section) --- 21-29
Abstracts (by Section) --- 30-59
Author …
Test 1981: New Holland Ts6020, Nebraska Tractor Test Lab
Test 1981: New Holland Ts6020, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Test 1973: John Deere 8345 Rt Ivt, Nebraska Tractor Test Lab
Test 1973: John Deere 8345 Rt Ivt, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Test 1971: John Deere 8320rt, Nebraska Tractor Test Lab
Test 1971: John Deere 8320rt, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Test 1970: John Deere 8295rt, Nebraska Tractor Test Lab
Test 1970: John Deere 8295rt, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Nebraska Summary: S776 Massey Ferguson 7475, Nebraska Tractor Test Lab
Nebraska Summary: S776 Massey Ferguson 7475, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Nebraska Summary: S773 Massey Ferguson 6475, Nebraska Tractor Test Lab
Nebraska Summary: S773 Massey Ferguson 6475, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Intonation And Compensation Of Fretted String Instruments, Gabriele U. Varieschi, Christina M. Gower
Intonation And Compensation Of Fretted String Instruments, Gabriele U. Varieschi, Christina M. Gower
Physics Faculty Works
We discuss theoretical and physical models that are useful for analyzing the intonation of musical instruments such as guitars and mandolins and can be used to improve the tuning on these instruments. The placement of frets on the fingerboard is designed according to mathematical rules and the assumption of an ideal string. The analysis becomes more complicated when we include the effects of deformation of the string and inharmonicity due to other string characteristics. As a consequence, perfect intonation of all the notes on the instrument cannot be achieved, but complex compensation procedures can be introduced to minimize the problem. …
Undergraduate And Graduate Programs In Environmental Science At Unlv, Scott R. Abella
Undergraduate And Graduate Programs In Environmental Science At Unlv, Scott R. Abella
Public Policy and Leadership Faculty Publications
The School of Environmental and Public Affairs at UNLV houses B.A. and B.S. degrees in Environmental Studies and M.S. and PhD degrees in Environmental Science. These degrees are flexible, multi-purpose, interdisciplinary programs that can be tailored for both breadth and depth.
If Mowat And Davis Are Correct, Then Teaching Is Hard: A Response To Elizabeth Mowat & Brent Davis, Kris H. Green, Bernard P. Ricca
If Mowat And Davis Are Correct, Then Teaching Is Hard: A Response To Elizabeth Mowat & Brent Davis, Kris H. Green, Bernard P. Ricca
Mathematical and Computing Sciences Faculty/Staff Publications
In lieu of an abstract, below is the article's first paragraph.
Mowat & Davis (this issue) present a model of learning mathematics that relies heavily on ideas from network (or graph) theory. The important questions (to us, at least) concern the dynamics of the nodes and links. Answers – even tentative ones such as we present here – to these questions lead to a second set of questions concerning the implications of these answers to teachers and researchers.
Meaningful Distributed Instruction— Conceptual Previews For Symbolic Procedures, Edward C. Rathmell
Meaningful Distributed Instruction— Conceptual Previews For Symbolic Procedures, Edward C. Rathmell
Faculty Publications
Understanding a symbolic procedure means far more than “getting the right answer.” A mathematical symbolic procedure or written skill involves step-bystep thinking that leads from a computational problem to a solution. Memorizing this step-by-step procedure may enable a student to answer the problem, even answer it correctly. Yes, that is important, but understanding means much more.
Parts Of The Whole: Observing The State Of The System, Dorothy Wallace
Parts Of The Whole: Observing The State Of The System, Dorothy Wallace
Numeracy
This column draws on the approach of statistician J. Edwards Deming to analyze sources and consequences of variation in an education system. Educational systems are not immune from the effects of poor statistical control, which makes it difficult for teachers to teach effectively and for managers such as principals to improve on school performance. It is also argued that the need for statistical control in these areas is in tension, if not outright conflict, with our goals for educating students.
Two Popular Books For Quantitative Literacy: What The Numbers Say, And The Numbers Game, Robert G. Root
Two Popular Books For Quantitative Literacy: What The Numbers Say, And The Numbers Game, Robert G. Root
Numeracy
Niederman, Derrick, and Boyum, David. What the Numbers Say: A Field Guide to Mastering Our Numerical World. (New York: Broadway Books/Random House, 2003). 288 pp. Hardcover, ISBN 978-0-7679-0998-3. Paperback, 978-0-7679-0999-0. Available as an eBook.
Blastland, Michael, and Dilnot, Andrew. The Numbers Game: The Commonsense Guide to Understanding Numbers in the News, in Politics and in Life. (New York: Gotham Books/Penguin, 2009). 192 pp. Hardcover, ISBN 978-1-5924-0423-0. Paperback, ISBN 978-1-5924-0485-8. Available as an eBook.
Popular books on quantitative literacy need to be easy to read, reasonably comprehensive in scope, and include examples that are thought-provoking and memorable. In contrast …
Numeracy: Open-Access Publishing To Reduce The Cost Of Scholarly Journals, Todd A. Chavez
Numeracy: Open-Access Publishing To Reduce The Cost Of Scholarly Journals, Todd A. Chavez
Numeracy
Each fiscal year, as academic librarians throughout the United States prepare materials budgets, a national “groan” ensues. Regardless of their format (i.e. print or digital), serial subscription costs are escalating, in the process impacting the role of the library in advancing scholarly communication . This paper examines some of the economic issues concerning open-access (OA) journal publishing. The importance of quantitative literacy is suggested for librarians and academics seeking a better understanding of alternatives to traditional journal subscription models and to anyone considering ventures into OA publishing. Quantitative literacy is essential for managing alternatives to the rising cost of scholarly …
College Algebra In Context: A Project Incorporating Social Issues, Michael T. Catalano
College Algebra In Context: A Project Incorporating Social Issues, Michael T. Catalano
Numeracy
This paper discusses the development of an innovative college algebra text designed for use in a data-driven, activity-oriented college algebra course, incorporating realistic problem situations emphasizing social and economic issues, including hunger and poverty, energy, and the environment. The course incorporates quantitative literacy themes, is informed by existing college algebra texts within the college algebra reform movement, and implements a collaborative pedagogical approach intended to provide future K-12 teachers an alternative model for the teaching of mathematics. The paper contains a short history of the project development phase, supported by an NSF grant (DUE #0442979), as well as the perceived …
An Activity Promoting The Practice Of Quantitative Literacy For Pre– And In–Service Teachers Of Mathematics And Science, Timothy L. Sorey, Teri Willard, Duane Sholz
An Activity Promoting The Practice Of Quantitative Literacy For Pre– And In–Service Teachers Of Mathematics And Science, Timothy L. Sorey, Teri Willard, Duane Sholz
Numeracy
The purpose of this article is to describe a hands-on, laboratory activity that provided pre-service teachers in mathematics and science methods courses, and also some in-service mathematics teachers, with the opportunity to exercise quantitative literacy (QL) skills. The focus of the activity is electrical resistance, more particularly the resistance (in ohms) that is painted on small resistors by the use of color-coded bands, one of which is a band for % error. The activity consists of four parts. In the first, student teams familiarize themselves with the code, measure the ohmage of resistors for which the codes are visible, and …
Are Statistics Labs Worth The Effort?--Comparison Of Introductory Statistics Courses Using Different Teaching Methods, Jose H. Guardiola, Nadina Duran-Hutchings, Hassan Elsalloukh
Are Statistics Labs Worth The Effort?--Comparison Of Introductory Statistics Courses Using Different Teaching Methods, Jose H. Guardiola, Nadina Duran-Hutchings, Hassan Elsalloukh
Numeracy
This paper compares the academic performance of students in three similar elementary statistics courses taught by the same instructor, but with the lab component differing among the three. One course is traditionally taught without a lab component; the second with a lab component using scenarios and an extensive use of technology, but without explicit coordination between lab and lecture; and the third using a lab component with an extensive use of technology that carefully coordinates the lab with the lecture. Extensive use of technology means, in this context, using Minitab software in the lab section, doing homework and quizzes using …
Envisioning A Quantitative Studies Center: A Liberal Arts Perspective, Gizem Karaali, Philip I. Choi, Sara Owsley Sood, Eric B. Grosfils
Envisioning A Quantitative Studies Center: A Liberal Arts Perspective, Gizem Karaali, Philip I. Choi, Sara Owsley Sood, Eric B. Grosfils
Numeracy
Several academic institutions are searching for ways to help students develop their quantitative reasoning abilities and become more adept at higher-level tasks that involve quantitative skills. In this note we study the particular way Pomona College has framed this issue within its own context and what it plans to do about it. To this end we describe our efforts as members of a campus-wide committee that was assigned the duty of investigating the feasibility of founding a quantitative studies center on our campus. These efforts involved analysis of data collected through a faculty questionnaire, discipline-specific input obtained from each departmental …
A Rubric For Assessing Quantitative Reasoning In Written Arguments, Nathan D. Grawe, Neil S. Lutsky, Christopher J. Tassava
A Rubric For Assessing Quantitative Reasoning In Written Arguments, Nathan D. Grawe, Neil S. Lutsky, Christopher J. Tassava
Numeracy
This paper introduces a rubric for assessing QR in student papers and analyzes the inter-rater reliability of the instrument based on a reading session involving 11 participants. Despite the disciplinary diversity of the group (which included a faculty member from the arts and literature, two staff members, and representatives from five natural and social science departments), the rubric produced reliable measures of QR use and proficiency in a sample of student papers. Readers agreed on the relevance and extent of QR in 75.0 and 81.9 percent of cases respectively (corresponding to Cohen’s κ= 0.611 and 0.693). A four-category measure of …
Confessions Of A Weak Tie, Joel Best
Five Thousand Downloads, H L Vacher
Detection Of Psilocybin Mushroom Analogs In Chocolate: Incorporating Current Events Into The Undergraduate Teaching Laboratory, Brandon Huskins, Christopher Dockery
Detection Of Psilocybin Mushroom Analogs In Chocolate: Incorporating Current Events Into The Undergraduate Teaching Laboratory, Brandon Huskins, Christopher Dockery
Faculty Articles
In this experiment, tryptamine is used as a psilocin analog and is dispersed onto a Fisher brand cellulose laboratory sponge to simulate dehydrated mushrooms. The resulting “mushroom” material is ground, molded into chocolate, and presented to student groups for real-world and applied analyses. Students isolate the tryptamine from the chocolate using their knowledge of drug chemistry, solubility, pH, extractions, etc. Qualitative analysis is conducted by comparison to standards (Thin Layer Chromatography or Gas Chromatography) and quantitative analysis is conducted by Gas Chromatography using the method of internal standards.
Indirect Gravimetric Determination Of Waters Of Hydration, Marina C. Koether
Indirect Gravimetric Determination Of Waters Of Hydration, Marina C. Koether
Faculty Articles
An alternate gravimetric experiment is described that can be employed in the general chemistry or the quantitative analysis laboratory course. The procedure takes less time than conventional methods and introduces students to waters of hydration and indirect determinations.
College Of Engineering Senior Design Competition Fall 2009, University Of Nevada, Las Vegas
College Of Engineering Senior Design Competition Fall 2009, University Of Nevada, Las Vegas
Fred and Harriet Cox Senior Design Competition Projects
Each student in his or her senior year chooses, plans, designs, and prototypes a product in this required element of the curriculum. The senior design project encourages the student to use everything learned in the engineering program to create a practical, real-world solution to an engineering challenge.
A highlight of the year-long senior design project is the senior design competition. This competition, which usually takes place the week before finals each semester, helps focus the senior students on increasing the quality and potential for commercial application for their design projects.
Judges from local industry evaluate the projects on innovation, commercial …
Automation In Cs1 With The Factoring Problem Generator, Joshua B. Parker
Automation In Cs1 With The Factoring Problem Generator, Joshua B. Parker
Master's Theses
As the field of computer science continues to grow, the number of students enrolled in related programs will grow as well. Though one-on-one tutoring is one of the more effective means of teaching, computer science instructors will have less and less time to devote to individual students. To address this growing concern, many tools that automate parts of an instructor’s job have been proposed. These tools can assist instructors in presenting concepts and grading student work, and they can help students learn to program more effectively. A growing group of intelligent tutoring systems attempts to tie all of this functionality …
Interagency Outdoor Education Programming: Quarterly Progress Report: Period Ending November 30, 2009, Margaret N. Rees
Interagency Outdoor Education Programming: Quarterly Progress Report: Period Ending November 30, 2009, Margaret N. Rees
Reports (PLI Education)
Highlights of the university’s focused efforts during the past three months include the following:
- Evaluation results from the NEEI Certification program were presented at the North American Association for Environmental Education (NAAEE) National Conference on October 9, 2009.
- The Story of Gill graphic novel has been printed; a media release/bookstore signing is in the planning stages.
- A total of 60 people participated in Families in Nature events at Red Rock Canyon National Conservation Area and Winchester Cultural Center.
- Registration has opened for the Our Places Tell Stories Conference, February 24 -27, 2010.
- Forever Earth was scheduled for 33 days and …
Sixth Grade Lesson Plan: Heat Moves, Getaway Special Team 2009
Sixth Grade Lesson Plan: Heat Moves, Getaway Special Team 2009
Education and Outreach
No abstract provided.
Fifth Grade Lesson Plan: Solid, Liquid, And Gas, Getaway Special Team 2009
Fifth Grade Lesson Plan: Solid, Liquid, And Gas, Getaway Special Team 2009
Education and Outreach
No abstract provided.