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Articles 12001 - 12030 of 12959
Full-Text Articles in Entire DC Network
28 Years Ago
Iowa Science Teachers Journal
The following paragraphs were taken from The Iowa Science Teacher, a forerunner of this journal, which was printed twenty-eight years ago. The editorial staff observes that the same remarks have some real implications for us in 1963.
I.J.A.S Invites, Mary Martina
I.J.A.S Invites, Mary Martina
Iowa Science Teachers Journal
Any member of the Iowa Junior Academy of Science is eligible to submit Scientific Research Papers for annual judging by the association which is affiliated with the Iowa Academy of Science.
Isea & Ista Meetings, Lyle Anderson
Isea & Ista Meetings, Lyle Anderson
Iowa Science Teachers Journal
Information about the Iowa Science Education Association & Iowa Science Teachers’ Association to be held October 18, 1963.
News And Notes - Ista Affiliation With Nabt
News And Notes - Ista Affiliation With Nabt
Iowa Science Teachers Journal
At the fall meeting of ISTA, as the science section of ISEA, the decision was made to formally affiliate ISTA with the National Association of Biology Teachers as soon as possible.
The Iowa Academy And You, G. Chester Lev
The Iowa Academy And You, G. Chester Lev
Iowa Science Teachers Journal
Organized in 1887 with a group of a dozen or so members the Iowa Academy of Science, Incorporated, has grown to be the third largest state academy in the nation with an active membership in 1963 of nearly 1700.
Officer Candidates For Iowa Science Teachers' Association
Officer Candidates For Iowa Science Teachers' Association
Iowa Science Teachers Journal
According to the constitution of the Iowa Science Teachers' Association, new officers are elected each fall for this Association. The roster of candidates includes those listed.
Naturally Occurring Agglutinins For Pheasant Red Blood Cells, Paul Vohs Jr., Elizabeth A. Cerny, A. O. Haugen
Naturally Occurring Agglutinins For Pheasant Red Blood Cells, Paul Vohs Jr., Elizabeth A. Cerny, A. O. Haugen
Proceedings of the Iowa Academy of Science
Sera from 24 vertebrate species and 3 antisera specific for human type A, B and Rh-D cells, respectively, were tested for their ability to agglutinate red blood cells of ring-necked pheasants (Phasianus sp.). Normal sera were grouped on the basis of agglutination titer, and the majority were included in the moderate and strong groups. Differential agglutination was limited, however. Substantial variation in ability to agglutinate pheasant cells occurred among sera of individuals of the same species. The usefulness of natural sera tested appears limited in the investigation of blood group factors of ring-necked pheasants.
Letter From The Editor, Robert E. Yager
Letter From The Editor, Robert E. Yager
Iowa Science Teachers Journal
After much effort on the part of many, this first issue of the Iowa Science Teaching Journal is a reality. We will all be looking forward to your comments and suggestions for future issues. We have felt for some time that the science teachers of Iowa need such a means of communication within the state as have teachers already in several other states.
Junior Academy Of Science Program
Junior Academy Of Science Program
Iowa Science Teachers Journal
Bill Houser of Des Moines Roosevelt who is the IJAS Director of Programs this year reports that preliminary plans for the April 18, 1964, meeting of the Iowa Junior Academy of Science are nearing completion.
News And Notes - Academy Sessions, April 17 & 18
News And Notes - Academy Sessions, April 17 & 18
Iowa Science Teachers Journal
Spring is just around the corner as well as the next state ISTA meeting. Mark April 17 and 18 (1964) on your calendars. These are the days for the Iowa Academy of Science meetings at Luther College in Decorah.
News And Notes - Research Funds Available
News And Notes - Research Funds Available
Iowa Science Teachers Journal
A portion of the membership dues paid by each member of the Iowa Academy of Science to the American Association for the Advancement of Science is returned to the Iowa Academy of Science. The AAAS prefers that this money be used to finance worthy scientific research directed by high school teachers, with high school student participation where appropriate.
News And Notes - Ista's October Meeting
News And Notes - Ista's October Meeting
Iowa Science Teachers Journal
ISTA's October Meeting Unfortunately final news reports concerning the October meeting did not get forwarded in time to meet the copy deadline for this issue. Plans call for the February issue to carry a summary of Dr. Berry's main address as well as specific reports of the section meetings.
Ecesis Of A Weed Flora, Richard W. Pohl, Walter Loomis
Ecesis Of A Weed Flora, Richard W. Pohl, Walter Loomis
Proceedings of the Iowa Academy of Science
The topsoil from an Iowa State University building site was piled for reuse. The site had been mulched with local oat straw the previous winter, and the pile developed a flora of remarkable diversity and vigor. Plants of 44 species, representing 32 genera of 14 families were identified on the soil pile. Soil from beneath the surface of the pile was collected and placed in greenhouse flats, and the emerging seedlings were counted and identified during a 10 months period. Twelve additional species, representing 11 genera and 8 families, which had not been collected on the soil heap were found …
Food And Growth Of Spottail Shiners And Other Forage Fishes Of Clear Lake, Lowa, Bernard L. Griswold
Food And Growth Of Spottail Shiners And Other Forage Fishes Of Clear Lake, Lowa, Bernard L. Griswold
Proceedings of the Iowa Academy of Science
Collections of spottail shiners, Notropsis hudsonius, and other forage fishes were made by systematic seining in Clear Lake in 1961. Spottails made up 71.6 per cent of all forage species and were collected most frequently in areas of vegetation. Although most spawning occurred in late May and early June, a few spottails apparently spawned in August. Young spottails grew an average of 0.05 millimeters per day which is slower than in warmer years. No parasites of spottails were observed. Tadpole madtoms, Noturus gyrinus, made up 18.4 per cent of all forage species collected, higher than any previous year. All species …
Digestive System Morphology And Salivary Enzymes Of The Potato Leafhopper, Empoasca Fabae (Harris), Lorna Chumley Berlin, Edwin T. Hibbs
Digestive System Morphology And Salivary Enzymes Of The Potato Leafhopper, Empoasca Fabae (Harris), Lorna Chumley Berlin, Edwin T. Hibbs
Proceedings of the Iowa Academy of Science
The digestive tract of the potato leafhopper Empoasca fabae (Harris) was very much like descriptions of the tracts of other Empoasca and closely related Cicadellidae. Major morphological differences: (1) no filter chamber was present in E. fabae, (2) the Malpighian tubules were joined at their distal ends which lie free in the body cavity, (3) and the fourth Malpighian tubule branched from one of the other tubules. The principal salivary gland of E. fabae was composed of four pairs of lobes which varied in histological and cytological detail as well as in their staining reaction with toluidine blue, a …
Reports - The Board Of Directors; Financial Statement; Staff Reports; Committee Reports; Presidential Address: The Iowa Academy, Past And Future
Proceedings of the Iowa Academy of Science
No abstract provided.
New Members
Iowa Science Teachers Journal
Lindy Solon of Ames is our ISTA membership chairman. He is planning a fall and winter campaign to increase our membership by one hundred percent by spring.
Dipsacus In Lowa, Richard W. Pohl, E. P. Sylwester
Dipsacus In Lowa, Richard W. Pohl, E. P. Sylwester
Proceedings of the Iowa Academy of Science
Dipsacus has not been previously reported in Iowa. D. laciniatus is established in a cemetery, apparently as the result of using the dried inflorescences for ornament.
Age, Growth, And Food Habits Of Johnny, Slenderhead And Blacksided Darters Of Boone County, Lowa, James R. Karr
Age, Growth, And Food Habits Of Johnny, Slenderhead And Blacksided Darters Of Boone County, Lowa, James R. Karr
Proceedings of the Iowa Academy of Science
Age, growth, and food habit studies were done on 61 johnny darters, Etheostoma nigrum, 25 slenderhead darters, Percina phoxocephala, and 18 blacksided darters, P. maculata, taken from the Des Moines River, Boone County, Iowa, during the summer 1962. The growth rate of blacksided darter is faster than either of the other two species. Coefficients of condition, length-weight relationships, and body-scale relationships are similar for the three species. The food of all species is over 90% insect. Leeches and tapeworms parasitized the darters.
Observations On Bog And Pollen Stratigraphy Of The Des Moines Glacial Lobe, Lowa, P. H. Walker, Grace S. Brush
Observations On Bog And Pollen Stratigraphy Of The Des Moines Glacial Lobe, Lowa, P. H. Walker, Grace S. Brush
Proceedings of the Iowa Academy of Science
As part of an investigation into the effect of environmental changes of landscape and soils on the Des Moines lobe (Cary till), three deep bogs (Colo, Jewell, McCulloch) were examined in detail. The center profile of each has a surface peat underlain by deep, dark-colored, calcareous silts; these in turn are underlain by a second peat zone which passes into basal calcareous silts and eventually to till. Preliminary pollen data on the Colo bog shows six zones. The key zones are Zone 1 (0 to 75 inches), in which the pollen is of dominantly herbaceous genera indicating an open grassland …
Cover - Journal Staff; Ista Officers; Journal Information; Table Of Contents
Cover - Journal Staff; Ista Officers; Journal Information; Table Of Contents
Iowa Science Teachers Journal
No abstract provided.
Implementing Bscs In Iowa, William Houser
Implementing Bscs In Iowa, William Houser
Iowa Science Teachers Journal
The Biological Sciences Curriculum Study Committee has assumed much of the leadership in this movement of modernizing the teaching of the life sciences. Through the work of the BSCS committee three new texts and numerous supporting materials have been produced and are now available in final form.
What Is Happening To Science In Davenport?, Warren F. Classon
What Is Happening To Science In Davenport?, Warren F. Classon
Iowa Science Teachers Journal
September, 1960 was the month which heralded the beginning of a new look in science programs in Davenport. PSSC Physics was introduced in one of our high schools, a city-wide elementary science committee began to look seriously at the K-6 science program, and the instruction time for seventh and eighth grade science classes was doubled.
Preparing Our Students For The Future, Mary Janela
Preparing Our Students For The Future, Mary Janela
Iowa Science Teachers Journal
Science education must advance with the times. Methods and ideas must change. We, as teachers, are being closely scrutinized. We can no longer sit back complacently. Since Sputnik, there has been grave concern over the ability of our students to apply knowledge to practical problems. Students are naturally curious so we must develop their inquiring minds and instill in them habits of sound reasoning, accurate judgment, and careful evaluation. To live in our democracy of the twentieth century the students must be trained to develop their powers of critical thinking.
What Is This Fuss About General Science?, Phillip E. Miller
What Is This Fuss About General Science?, Phillip E. Miller
Iowa Science Teachers Journal
With the advent of the superb Biological Sciences Curriculum Study (BSCS), Physical Sciences Study Committee (PSSC), Chemical Education Material Study (CHEM Study), and the Chemical Bond Approach (CBA) courses, secondary science teachers, at last, spend more of their efforts teaching instead of hacking up mediocre, out-dated texts and scrambling for up-to-date "supplementary" material that should have been the meat of the original "text".
Notes On Fleshy Fungi In Lowa, Virgil K. Howe, Lois H. Tiffany, Harold S. Mcnabb Jr.
Notes On Fleshy Fungi In Lowa, Virgil K. Howe, Lois H. Tiffany, Harold S. Mcnabb Jr.
Proceedings of the Iowa Academy of Science
Eighty-two sporocarps of fleshy fungi were collected during the summer of 1962. In the collections were seven species. Peziza sylvestris (Bond.) Sacc. & Trott., Cortinarius uraceus Fr., Clitopilus subvilis Pk., Inocybe radiata Pk., Inocybe geophylla Fr., Lactarius hysginus Fr., Mycena subcaerulea (Pk.) Sacc., and one genus, Nolanea Fr., not previously reported for the state of Iowa.
Your Teen-Ager And The School Counselor: A Handbook For Parents, Donald Lee Bennink
Your Teen-Ager And The School Counselor: A Handbook For Parents, Donald Lee Bennink
Dissertations and Theses @ UNI
Public Law 85-864 was signed by the President of the United States on September 2, 1958. This law, known as the National Defense Education Act (hereafter referred to as NDEA), is composed of ten titles affecting most levels and many phases of education. Its billion dollars, though authorized for a dozen separate programs, have been authorized for a single purpose - that every young person, from the day he first enters school, should have an opportunity to develop his gifts to the fullest. This is the emphasis that gives the Act its name, for it recognizes that in a free …
An Evaluation Of An Inventory Instrument Designed To Measure The Attitudes Of Some Iowa High School Band Students, Joseph Doering Doolittle
An Evaluation Of An Inventory Instrument Designed To Measure The Attitudes Of Some Iowa High School Band Students, Joseph Doering Doolittle
Dissertations and Theses @ UNI
This study is an attempt to determine whether an attitude-inventory instrument applicable to high school band students can be developed. The purpose of this study is to gain evidence supporting these general hypotheses: That an attitude inventory can be constructed to measure the responses of high school band students in certain attitude areas. That differences can be found between the responses of high school band students having positive attitudes toward the band program, and those band students having negative attitudes toward the band program. That band directors can discriminate between high school band students having positive and negative attitudes, but …
Aspects Of The Speechmaking In The Iowa Circuit Chautauqua 1904-1924, Evelyn Marie Hade
Aspects Of The Speechmaking In The Iowa Circuit Chautauqua 1904-1924, Evelyn Marie Hade
Dissertations and Theses @ UNI
In the early part of the twentieth century, communities all over the United States witnessed programs presented by entertainers and lecturers affiliated with the circuit chautauqua. A great deal of speaking was done in connection with these programs . The following study was undertaken to discover the place and function of the speechmaking done in the circuit chautauqua. Because the state of Iowa has sometimes been called "the heart of the chautauqua", Iowa was chosen for this investigation.