Science and Mathematics Education Commons^™

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 …

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. …

The Impact Of Mathematics Professional Development On Elementary Teachers' Mathematics Content Knowledge For Teaching And Implementation Of Innovative Pedagogical Practices, Vicki Oleson

Dissertations and Theses @ UNI

This study sought to understand the process of change elementary teachers experienced as they participated in mathematics professional development. This investigation explored the impact of mathematics professional development on teachers' content knowledge for teaching, their ability to implement innovative pedagogical practices, and the relationship between these two components of teacher change. Data collected from a semester-long professional development course involving 20 teachers from rural southwest Iowa was analyzed for this study.

Data was collected from six teachers involved in the professional development course. Data collected during the professional development course included a pre and post test of teachers' content knowledge, …

Providing Real-World Experiences: The Virginia Tech Externship For Mathematics Specialists, B. Kreye, J. L. M. Wilkins

Journal of Mathematics and Science: Collaborative Explorations

We describe the structure and implementation of the yearlong Externship experience associated with the Mathematics Specialist program at Virginia Polytechnic Institute & State University (Virginia Tech). We discuss the assignments and experiences included in the Externship, the alignment of those experiences with the job description developed by the Virginia Mathematics and Science Coalition Task Force, and teacher comments on the effectiveness of their Externship experiences [1].

What Counts In The Preparation Program Of Mathematics Specialists And What Lessons Have We Learned About What Needs To Be Added?, S. S. Overcash

Journal of Mathematics and Science: Collaborative Explorations

No abstract provided.

Contents

Journal of Mathematics and Science: Collaborative Explorations

No abstract provided.

Title Page, Introduction

Journal of Mathematics and Science: Collaborative Explorations

No abstract provided.

The Impact Of Elementary Mathematics Specialists, P. F. Campbell, N. N. Malkus

Journal of Mathematics and Science: Collaborative Explorations

Elementary Mathematics Specialists are placed in schools to construct leadership roles and to provide on-site professional development addressing mathematical content and pedagogy in order to enhance instruction and to improve student achievement. A three-year, randomized, control study found that, over time, Specialists had a significant positive impact on student achievement in Grades 3, 4, and 5. This effect on student achievement was not evident at the conclusion of the Specialist's first year of placement. It emerged as knowledgeable Specialists gained experience and as the schools' instructional and administrative staffs learned and worked together. Specialists who were highly engaged with a …

Early Algebra And Mathematics Specialists, M. K. Murray

Journal of Mathematics and Science: Collaborative Explorations

This paper discusses early algebra as it relates to the Mathematics Specialist program. Early algebra is described based on research and readings from the body of literature focused on early algebra. Reasons why early algebra should be emphasized in elementary school mathematics are discussed, followed by a description of the role elementary school Mathematics Specialists must play if schools are to begin to focus on early algebraic instruction. Finally, some suggestions are made for ways the Mathematics Specialist program might encourage more explicitly an early algebraic approach to elementary school mathematics.

Understanding Materials, Petros J. Katsioloudis

STEMPS Faculty Publications

The article discusses the importance of understanding the characteristics of materials that will be used for different applications. Through the years, the inventions and innovations in the technology of materials are becoming more technologically complex. Innovations in the materials are divided in different categories, including metals, ceramics, polymers and composites. Example of such innovations in the technology of materials include the ceramic composite applied to the surface of the space shuttle panels to absorb and release high amounts of heat.

Class Notes For Math 953: Algebraic Geometry, Instructor Roger Wiegand, Laura Lynch

Department of Mathematics: Class Notes and Learning Materials

Topics include: Affine schemes and sheaves, morphisms, dimension theory, projective varieties, graded rings, Artin rings

Class Notes For Math 918: Cohen Macaulay Modules, Instructor Roger Wiegand, Laura Lynch

Department of Mathematics: Class Notes and Learning Materials

Topics covered are: Cohen Macaulay modules, zero-dimensional rings, one-dimensional rings, hypersurfaces of finite Cohen-Macaulay type, complete and henselian rings, Krull-Remak-Schmidt, Canonical modules and duality, AR sequences and quivers, two-dimensional rings, ascent and descent of finite Cohen Macaulay type, bounded Cohen Macaulay type.

Class Notes For Math 921/922: Real Analysis, Instructor Mikil Foss, Laura Lynch

Department of Mathematics: Class Notes and Learning Materials

Topics include: Semicontinuity, equicontinuity, absolute continuity, metric spaces, compact spaces, Ascoli’s theorem, Stone Weierstrass theorem, Borel and Lebesque measures, measurable functions, Lebesque integration, convergence theorems, L^p spaces, general measure and integration theory, Radon-Nikodyn theorem, Fubini theorem, Lebesque-Stieltjes integration, Semicontinuity, equicontinuity, absolute continuity, metric spaces, compact spaces, Ascoli’s theorem, Stone Weierstrass theorem, Borel and Lebesque measures, measurable functions, Lebesque integration, convergence theorems, L^p spaces, general measure and integration theory, Radon-Nikodyn theorem, Fubini theorem, Lebesque-Stieltjes integration.

Green Ships: Keeping Oceans Blue, Petros J. Katsioloudis

STEMPS Faculty Publications

The article discusses the contribution by the marine transport sector to air and water pollution. According to a congressional research report, cruise ships produce large volume of wastes like sewage, wastewater from sinks, showers, and galleys, hazardous wastes, solid wastes, oily bilge water, ballas water and polluted air. Ship manufacturers are advised to create Green Ships that prevent pollution while governments are urged to strengthen the laws that prohibit dumping of waste to oceans to alleviate pollution.

The Impact Of Universal Design For Learning-Representation Practices On Concept Maps And The Development Of Quality Scientific Explanations, Lisa A. Finnegan

Electronic Theses and Dissertations

The purpose of this action research project was to determine how my practice of implementing Universal Design for Learning-Representation (UDL-R) principles influenced my students’ understanding of content and enhanced their ability to organize their knowledge using concept maps. A secondary purpose of this action research project was to determine if student created concept maps served as a useful tool to enrich students’ written scientific explanations. Students in this study completed concept maps and wrote explanations about adaptations before and after participating in lessons enriched with UDL-R principles that included the use of multimedia sources, website searches, and trade books. The …

Clean Water In The Classroom : Understanding The Importance Of Water Quality , Emily Curry

Dissertations, Master's Theses and Master's Reports - Open

This study’s objective was to answer three research questions related to students’ knowledge and attitudes about water quality and availability issues. It is important to understand what knowledge students have about environmental problems such as these, because today’s students will become the problem solvers of the future. If environmental problems, such as those related to water quality, are ever going to be solved, students must be environmentally literate.

Several methods of data collection were used. Surveys were given to both Bolivian and Jackson High School students in order to comparison their initial knowledge and attitudes about water quality issues. To …

Teaching And Aligning Upper Level Mathematics Classes To Michigan High School Content Expectations In An Alternative Education Setting : Approaches And Issues, Sarah Van Baale

Dissertations, Master's Theses and Master's Reports - Open

After teaching regular education secondary mathematics for seven years, I accepted a position in an alternative education high school. Over the next four years, the State of Michigan adopted new graduation requirements phasing in a mandate for all students to complete Geometry and Algebra 2 courses. Since many of my students were already struggling in Algebra 1, getting them through Geometry and Algebra 2 seemed like a daunting task. To better instruct my students, I wanted to know how other teachers in similar situations were addressing the new High School Content Expectations (HSCEs) in upper level mathematics. This study examines …

Research In Technology Education, Philip A. Reed (Editor), James E. Laporte (Editor)

STEMPS Faculty Books

Due to the laboratory-based nature of technology and engineering education programs, professionals in our field have often focused on the resources in our classrooms and laboratories and the instructional methodologies used to address specific concepts. Formal research into content and practice has often given way to “what seems right”. New curriculum is constantly being introduced (based on what is occurring in business and industry), yet the inclusion for those evolving concepts in courses and programs is typically not verified.

Hence, the importance of the 2010 CTTE yearbook and its focus on the dire need for an aggressive research agenda in …

Cosmological Beliefs About Origins Related To Science Achievement Among Junior High-School Students In South Bend, Indiana, J. David Van Dyke

Dissertations

Problem. American high-school students score lower in science achievement tests than their peers in other developed nations. The Organization for Economic Cooperation and Development (OECD) ranked the scientific achievement of American high-school students as ―very low‖ in comparison to high-school students in other industrialized nations—only 29th out of 57 developed countries. Research has indicated that achievement declines as U.S. students progress to higher grades and take on more rigorous science courses. A variety of factors have been documented that may account for U.S. students‘ lower science achievement rankings. These include socioeconomic status, race, and gender. One area only marginally …

Using Prediction And Classroom Voting Via Clickers To Address Secondary School Students' Overreliance On The Representativeness Heuristic, Tami Kay Dashley

Open Access Theses & Dissertations

Students often have misconceptions in their probabilistic reasoning--one such misconception is the overuse of the representativeness heuristic, in which one determines that one event is more likely than another event based on how representative the event is of some aspect of its parent population. A research study was conducted to address high school students' overuse of the representativeness heuristic using three groups: (i) a prediction-and-voting group in which students were taught a lesson on probability with the use of prediction and classroom voting teaching methods, (ii) a prediction-only group where students were taught the lesson using only prediction, and (iii) …