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Articles 13951 - 13980 of 19309
Full-Text Articles in Science and Mathematics Education
Editorial Board & Iowa Academy Of Science Officers And Directors
Editorial Board & Iowa Academy Of Science Officers And Directors
Journal of the Iowa Academy of Science: JIAS
No abstract provided.
Cover - Table Of Contents
Journal of the Iowa Academy of Science: JIAS
No abstract provided.
History Of Iowa Natural History - A Symposium, Neil P. Bernstein
History Of Iowa Natural History - A Symposium, Neil P. Bernstein
Journal of the Iowa Academy of Science: JIAS
This issue of the Journal of the Iowa Academy of Science presents the first written installment of our symposium: papers on the contributions of Keyes, Pammel, Bessey, and Hayden; the role of the Iowa Natural History Museum; and histories of both the development of early natural history studies and mammalogy investigations. More papers will follow in future issues, and new contributors are welcome.
Three Botanists: Bessey, Pammel, And Hayden, Duane Isely, Lois Tiffany
Three Botanists: Bessey, Pammel, And Hayden, Duane Isely, Lois Tiffany
Journal of the Iowa Academy of Science: JIAS
Bessey was a multidirectioned innovator and evangelist of botanical education, conservation, and scientific agriculture. For example, he initiated the first undergraduate laboratory using microscopes for botany instruciton and he had no peer as a botany teacher in the latter part of the 19th century. His enthusiasm about the natural history of Iowa and surrounding states broadened the horizons of innumerable students and he was one of the founders of the Iowa Academy of Science. An organization man, Bessey quickly became president of any group with which he became affiliated, and eventually was both nationally and internationally known through his text …
Teacher Training In Transition, A Commentary On Postgraduate Science Teacher Training In England, Arthur Jennings
Teacher Training In Transition, A Commentary On Postgraduate Science Teacher Training In England, Arthur Jennings
Australian Journal of Teacher Education
The radical reforms of recent years have affected all parts of the educational system in England. This paper discusses science teacher education and focuses on changes in teacher training programmes designed to equip teachers for the national curriculum and for work in the climate of greater accountability that now exists. Though the pressure for these changes is domestic it is suggested that the issues are of general significance.
A Thematic Unit For Integrating Social Studies And Science In The First Grade, Lin Marjorie Lasater
A Thematic Unit For Integrating Social Studies And Science In The First Grade, Lin Marjorie Lasater
All Graduate Projects
A thematic unit for integrating social studies and science with other curriculum areas was developed for first grade students. The theme for the unit centered around farms. The unit was divided into five subunits: farms, farm animals, orchards/vineyards (to include fruits of the Yakima Valley and apples), crops (to include vegetables of the Yakima Valley, pumpkins, and wheat), and nutrition/four food groups. The literature was reviewed to establish a theoretical foundation for the unit and for activities that focused on reading, writing, and language development.
Test 1658: Ford 7740 (16x4) Diesel 16-Speed, Nebraska Tractor Test Lab
Test 1658: Ford 7740 (16x4) Diesel 16-Speed, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …
Mass Dependent Loss Of Resolution In Radially Inhomogeneous Exb Ion Traps, Mark A. Capron, Susan S. Haskin, Curtiss D. Hanson
Mass Dependent Loss Of Resolution In Radially Inhomogeneous Exb Ion Traps, Mark A. Capron, Susan S. Haskin, Curtiss D. Hanson
Journal of the Iowa Academy of Science: JIAS
ExB ion traps, such as Fourier transform Ion Cyclotron Resonance mass spectrometers (FY:ICR), mass analyze sample ions based on differences in their cyclotron frequencies in a homogeneous magnetic field. The high resolution mass measurements of FT-ICR are based on the relationship between the frequency of the cyclotron orbit and the mass-to-charge (m/q) ratio of an ion. Both the orbit and the frequency/mass relationship result from the radial forces on the ion. Ions trapped by inhomogeneous electric fields experience different magnitudes of the radial electric fields at different positions resulting in a positionally dependent frequency. Such differences in orbital frequencies for …
Science On The Great Plains: The History Of Physics And Astronomy At The University Of Nebraska-Lincoln, M. Eugene Rudd
Science On The Great Plains: The History Of Physics And Astronomy At The University Of Nebraska-Lincoln, M. Eugene Rudd
M. Eugene Rudd Publications
The year 1988 marked the 100th anniversary of the founding of the Department of Physics at the University of Nebraska. While the year passed without fanfare in the department, DuaneJaecks, one of the members of the faculty, suggested to the author that it would be a good time to write a history of what is now the Department of Physics and Astronomy. He not only provided the initial impetus for the project, but has also given it his continual help and encouragement. While the initial plan was to write only a brief, informal departmental history, the project, like Topsy, grew. …
Science Education
Journal of the Minnesota Academy of Science
Abstracts of articles on science education, including abstracts on biology, chemistry, interdisciplinary, and physics.
Test 1662: John Deere 5400 Diesel 9-Speed, Nebraska Tractor Test Lab
Test 1662: John Deere 5400 Diesel 9-Speed, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …
Test 1659: Case International 9270 And Steiger 9270 Manual Diesels 12-Speed, Nebraska Tractor Test Lab
Test 1659: Case International 9270 And Steiger 9270 Manual Diesels 12-Speed, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …
Nebraska Summary: S126 Massey Ferguson 3690, Nebraska Tractor Test Lab
Nebraska Summary: S126 Massey Ferguson 3690, 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: S165 Ford 8340 16x16, Nebraska Tractor Test Lab
Nebraska Summary: S165 Ford 8340 16x16, 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: S164 Ford 8240 16x16, Nebraska Tractor Test Lab
Nebraska Summary: S164 Ford 8240 16x16, 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: S161 Ford 6640 12x12, Nebraska Tractor Test Lab
Nebraska Summary: S161 Ford 6640 12x12, 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 …
Writing In The Math Classroom: A Writing Across The Curriculum Project, Paul Steven Lee
Writing In The Math Classroom: A Writing Across The Curriculum Project, Paul Steven Lee
Theses and Dissertations
The National Council of Teachers of Mathematics Interpretative Team for the Fourth Mathematics Assessment of the National Assessment of Educational Progress (NAEP) (Silver, Lindquist, Carpenter, Brown, Kouba, and Swafford, 1988) reports that performance levels for thirteen year-olds has not changed between the last two assessments. At the same time seventeen year-olds have made significant gains (Silver et al., 1988). The Interpretative Team cautions that the seventeen year-old population which made gains was the population that showed gains as thirteen year-olds. Thus, any attribution of these gains to educational reforms at the secondary level should be made with caution (Silver et …
Assessing And Describing Sixth-Grade Students Use Of Number Sense To Demonstrate An Understanding Of Mathematics Concepts, Deborah B. Lee
Assessing And Describing Sixth-Grade Students Use Of Number Sense To Demonstrate An Understanding Of Mathematics Concepts, Deborah B. Lee
Theses and Dissertations
Eighteen sixth-grade students in a selected elementary school of a large school district were chosen to participate in a study to individually assess and describe their use of number sense, which demonstrated their understanding of mathematics concepts. The instrument used was teacher made and consisted of nine mathematics problems. The instrument was given to each student in a one-on-one interview. The findings suggested that developing number sense is essential for improving mathematics performance.
Sex-Related Differences In Autonomous Learning Behaviours And Mathematics Achievement, Laura Beahan
Sex-Related Differences In Autonomous Learning Behaviours And Mathematics Achievement, Laura Beahan
Theses : Honours
The autonomous learning behaviour model proposed by Fennema and Peterson (1985a, 1985b) hypothesises that sex- related differences in mathematics are a result of sex-related differences in autonomous learning behaviours. Autonomous learning behaviours include choosing to engage in high-level tasks, preferring to work independently on such tasks and persisting at them. The purpose of this study was to investigate sex-related differences in autonomous learning behaviours and to determine any relationship between the presence of these behaviours and achievement in mathematics. Twelve students studying the Year 1 unit "Foundations of Mathematics" were selected for the study, including two males and two females …
Test 1657: Ford 6640 (16x4) Diesel 16-Speed, Nebraska Tractor Test Lab
Test 1657: Ford 6640 (16x4) Diesel 16-Speed, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …
Test 1660: John Deere 5200 Diesel 9-Speed, Nebraska Tractor Test Lab
Test 1660: John Deere 5200 Diesel 9-Speed, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …
Test 1661: John Deere 5300 Diesel 9-Speed, Nebraska Tractor Test Lab
Test 1661: John Deere 5300 Diesel 9-Speed, Nebraska Tractor Test Lab
Nebraska Tractor Tests
EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …
Nebraska Summary: S127 Massey Ferguson 253, Nebraska Tractor Test Lab
Nebraska Summary: S127 Massey Ferguson 253, 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: S128 Massey Ferguson 393, Nebraska Tractor Test Lab
Nebraska Summary: S128 Massey Ferguson 393, 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: S196 Massey Ferguson 6170, Nebraska Tractor Test Lab
Nebraska Summary: S196 Massey Ferguson 6170, 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: S163 Ford 7840 12x12, Nebraska Tractor Test Lab
Nebraska Summary: S163 Ford 7840 12x12, 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: S162 Ford 7740 12x12, Nebraska Tractor Test Lab
Nebraska Summary: S162 Ford 7740 12x12, 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: S160 Ford 5640 12x12, Nebraska Tractor Test Lab
Nebraska Summary: S160 Ford 5640 12x12, 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 …