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Articles 31 - 60 of 93
Full-Text Articles in Education
Cover - Ias & Ists Officers, Directors And Chairpersons - Ist Journal Information - Table Of Contents
Iowa Science Teachers Journal
No abstract provided.
Open Letter To Science Teachers: Let's Reflect For A Moment . . . ., Lynn W. Glass
Open Letter To Science Teachers: Let's Reflect For A Moment . . . ., Lynn W. Glass
Iowa Science Teachers Journal
Did you greet eager, inquisitive students last September that for some reason unknown to you became inactive and bored by May? What possibly is the cause for the decline in student enthusiasm?
Rock And Mineral Exchange Service
Rock And Mineral Exchange Service
Iowa Science Teachers Journal
Elementary and Secondary school science teachers interested in swapping rocks, minerals, and other earth science materials are hereby notified that a clearinghouse for earth science materials exchange has been established in Arlington Heights, Illinois.
Conservation And The Biology Teacher, M. E. Stempel
Conservation And The Biology Teacher, M. E. Stempel
Iowa Science Teachers Journal
Conservation practices are based on a need to retain the best features of soils, plants, and animals. These are the raw materials of commerce. Commercialization has accelerated until most land areas are now exploited.
New Biology Book For Teachers
Iowa Science Teachers Journal
A new book, Creative Biology Teaching, by Delma Harding, Roger Volker, and David Fagle is just off the Iowa State University Press. The book was designed to help teachers solve the everyday problems they meet in the classroom and in the field, and to make them aware of the exciting challenges that exist in teaching modem biology.
Instructional Aid On Chromatography Available
Instructional Aid On Chromatography Available
Iowa Science Teachers Journal
"How to Use Chromatography as a Science Teaching Aid," by Frank M. Ganis, Chairman, Department of Biochemistry, School of Dentistry, University of Maryland, Baltimore, outlines five procedures to separate mixtures of chemical substances. Each method stresses a new aspect of chromatography, progressing from simple to more complex techniques.
The Imbalance Of Nature, Chalmer J. Roy
The Imbalance Of Nature, Chalmer J. Roy
Iowa Science Teachers Journal
On this fantastically dynamic planet, what can be the meaning of the balance of nature? The dynamics of the atmosphere, of the oceans, and of the solid earth show no signs of reaching an equilibrium, a condition of no change. Nature does not obey laws. The so-called laws of nature are human constructs, designed to explain observed relationships and phenomena.
A Summary Of A Survey Of Science Taught In Hampton Elementary Schools, Kenneth E. Moeller
A Summary Of A Survey Of Science Taught In Hampton Elementary Schools, Kenneth E. Moeller
Iowa Science Teachers Journal
In 1957 the Russians put an artificial satellite into orbit. Since that time science education in the United States has been experiencing a steady change. This change has not only been in course name and content but also in new methods of science teaching. The role of the science teacher is most important in the teaching of the new science materials. The instructor must be able to guide and direct the activities of the students, not just spew forth information. Often in the past, the instructor has taught as he had been taught. Most courses now are developed along these …
Nsta Science Source Book For Junior High Available
Nsta Science Source Book For Junior High Available
Iowa Science Teachers Journal
"A Universe to Explore," a source book resulting from a joint project of the National Aeronautics and Space Administration and the National Science Teachers Association, features illustrated lessons in space science that have been successfully performed by junior high school students.
Nsta 1969 Regional Conferences
Nsta 1969 Regional Conferences
Iowa Science Teachers Journal
A list of National Science Teachers Association 1969 conferences.
An Accurate Method For The Determination Of Surface Area, Larry L. Schenken
An Accurate Method For The Determination Of Surface Area, Larry L. Schenken
Iowa Science Teachers Journal
Many times it is necessary for teachers or students to determine the surface area of irregular objects (e.g., leaves) during laboratory investigations. The usual procedure involves laboriously tracing the outline of the object on graph paper, counting the number of square units on the paper, and then adding some "fudge factor" to estimate partially encircled squares.
The Magnitude Of The American Educational Establishment (1968-69)
The Magnitude Of The American Educational Establishment (1968-69)
Iowa Science Teachers Journal
More than 60,400,000 Americans are engaged full-time in the nation's educational enterprise as students, teachers, or administrators. Nearly another 140,000 make education a time-consuming avocation as trustees of local school systems, state boards of education, or institutions of higher learning. The breakdown is given here.
Cover - Ias & Ists Officers, Directors And Chairpersons - Ist Journal Information - Table Of Contents
Iowa Science Teachers Journal
No abstract provided.
Iowa Outdoor Education Center Planned
Iowa Outdoor Education Center Planned
Iowa Science Teachers Journal
Hawkeye Naturama, a proposed recreation center designed to improve outdoor recreation and outdoor education experiences for all of Iowa's citizens as well as out-of-state tourists, is in the initial development stage.
Expected Student Outcomes In Earth Science Investigations, John F. Thompson
Expected Student Outcomes In Earth Science Investigations, John F. Thompson
Iowa Science Teachers Journal
One of the basic precepts in science teaching is the Futility Factor: no laboratory investigation is ever a complete failure . . . it can always serve as a bad example. There will always be some kind of result when students do investigations. Whether the outcome is expected or not is another question. Occasionally in a classroom investigation the "wrong" outcome is the only result. At times like this we doubt the results obtained even by the authors of the investigation.
What Do I Do Now, Teacher?????, Milbert H. Krohn
What Do I Do Now, Teacher?????, Milbert H. Krohn
Iowa Science Teachers Journal
Fifteen years of science fairs has brought me into contact with excitement, danger, success, failure, and freakishness such as never could be known if the spontaneity and creativity of youth had not been challenged. The writer is not sure whether science fairs are necessary or not. Sometimes, after they are over, the justification for another is like hitting yourself on the head with a hammer because it feels so good when you stop. Let's go back, readers, to some things in the past.
Aseptic Culture Of Arabidopsis Thalian: A Flowering Plant That Can Be Handled Like A Microorganism, Sujit K. Dhar
Aseptic Culture Of Arabidopsis Thalian: A Flowering Plant That Can Be Handled Like A Microorganism, Sujit K. Dhar
Iowa Science Teachers Journal
Arabidopsis thaliana (L.) Heynh. belongs to the tribe Arabideae of the Cruciferae. The plant occurs throughout Europe, East Africa, and Northern and Central Asia.
Nabt Convention In Philadelphia In October, 1969
Nabt Convention In Philadelphia In October, 1969
Iowa Science Teachers Journal
The National Association of Biology teachers will hold its national convention in Philadelphia, October 8-11, 1969. The theme of the convention will be "Social Implications of Biological Education."
Physics Is Too For Girls, Floyd D. Goar
Physics Is Too For Girls, Floyd D. Goar
Iowa Science Teachers Journal
For several years there has been concern about the lack of girls in physics classes and, more recently, the lack of boys. The idea for an all-girl class has been in the back of my mind for some time because just watching the few girls in my physics classes each year gave me the impression that they weren't really enjoying themselves.
A Different Approach To The Study Of Pressure-Volume Relationship Of Gases, Harold Wengert
A Different Approach To The Study Of Pressure-Volume Relationship Of Gases, Harold Wengert
Iowa Science Teachers Journal
One of the problems in teaching science for general education is that all too often the ideas and concepts are given to the prospective learner before he has had an opportunity to wrestle with them himself.
Nature Of The Antinatriuretic Action Of Growth Hormone, Ronald R. Bach
Nature Of The Antinatriuretic Action Of Growth Hormone, Ronald R. Bach
Iowa Science Teachers Journal
Three interrelated experiments were initiated to study growth hormone's stimulation of urinary sodium retention. First a dose-response curve was determined by administration of known dosages of growth hormone or the vehicle to groups of rats. Urine was collected from four to six hours after administration. In a second experiment, the relationship between time and degree of response to growth hormone was determined. Urine was collected from 0-2, 2-4, 4-6, 6-8, 8-10, 12-14, 16-18, and 20-22 hours after administration. Sodium excretion was not altered in the 0-2 hour collection period. Significant retention took place in both the 2-4 and 4-6 hour …
Complete Teaching Guides On Corrosion With Demonstration Materials
Complete Teaching Guides On Corrosion With Demonstration Materials
Iowa Science Teachers Journal
A solicitation for teaching guides on corrosion provided by the Zinc Institute, Inc.
Cognitive Capacity Of Very Young Children, Jacques Mehler, Thomas G. Bever
Cognitive Capacity Of Very Young Children, Jacques Mehler, Thomas G. Bever
Iowa Science Teachers Journal
Children between 2 years, 6 months old and 3 years, 2 months old correctly discriminate the relative number of objects in two rows; between 3 years, 2 months and 4 years, 6 months they indicate a longer row with fewer objects to have "more"; after 4 years, 6 months they again discriminate correctly. The discriminative ability of the younger children shows that the logical capacity for cognitive operations exists earlier than previously acknowledged.
Cover - Ias & Ists Officers, Directors And Chairpersons - Ist Journal Information - Table Of Contents
Iowa Science Teachers Journal
No abstract provided.
Developing Physics Concepts Through The Process Of Variation, Walter J. Gohman
Developing Physics Concepts Through The Process Of Variation, Walter J. Gohman
Iowa Science Teachers Journal
The present trend in the design of physics courses is to place emphasis on understanding rather than the rote memory of ideas and processes. The development of systematic approaches to direct thought patterns decreases the memory burden. The process of variation provides a universal thought pattern that can be applied in almost all phases of physics. This paper provides a brief description of some selected sample applications. It is hoped that these will illustrate the scope and the merit of this approach.
Preliminary Planning Session For Short Course
Preliminary Planning Session For Short Course
Iowa Science Teachers Journal
Preliminary plans for the Science Teachers' Short Course were discussed at a meeting at Iowa State University, Ames, on December 7, 1968.
High School And College Physics - Can We Match Impedances?, Herbert Priestley
High School And College Physics - Can We Match Impedances?, Herbert Priestley
Iowa Science Teachers Journal
Enrollments in high school and college physics have been declining in a serious fashion over the past few years. As a result, it is estimated that probably less than 10 per cent of the present national population has any experience in physics.
Hatching Avian Eggs In The Laboratory, Kashmiri L. Arora
Hatching Avian Eggs In The Laboratory, Kashmiri L. Arora
Iowa Science Teachers Journal
The purpose of this paper is to acquaint researchers and biology teachers with hatchability problems and incubation techniques. While the discussion is primarily devoted to the incubation and hatching of chicken embryos, most of the points will be applicable to other avian species.