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Articles 1201 - 1230 of 1946

Full-Text Articles in Science and Mathematics Education

Book Review: Iowa's Minerals: Their Occurrence, Origins, Industries, And Lore, Raymond R. Anderson Jan 1999

Book Review: Iowa's Minerals: Their Occurrence, Origins, Industries, And Lore, Raymond R. Anderson

Journal of the Iowa Academy of Science: JIAS

Iowa's Minerals: Their Occurrence, Origins, Industries, and Lore. Paul Garvin. 1998. University of Iowa Press, Iowa City IA. vii + 260 pages. ISBN 0-87745-626-7 hdbd., ISBN 0-87745-627-5 (pbk.).

A mineral is defined as a "naturally occurring, chemically homogeneous crystalline solid." Every mineral has a composition, structure, and characteristics that make it uniquely different from every other mineral. In his new book, Paul Garvin, Professor of Geology at Cornell College in Mount Vernon, Iowa, presents a uniquely different discussion of Iowa's Minerals. While this book does contain the requisite discussions of mineral origins, chemistry, crystallography, and other descriptive information, Garvin enhances …


The Habitat And Distribution Of The Stinkpot, Sternotherus Odoratus, In Iowa, Kristi K. Sutton, James L. Christiansen Jan 1999

The Habitat And Distribution Of The Stinkpot, Sternotherus Odoratus, In Iowa, Kristi K. Sutton, James L. Christiansen

Journal of the Iowa Academy of Science: JIAS

Twenty years of study have shown that the stinkpot, Sternotherus odoratus and the Illinois mud turtle (Kinosternon flavescens spooneri) occur in Iowa primarily in the Mississippi Alluvial Plain. Even though the turtles are found within a kilometer of each other, they are never sympatric. Illinois mud turtles are most often associated with ephemeral ponds and soils of nearly pure sand (Sparta sand and Chelsea loamy fine sand), whereas stinkpots inhabit permanent water, often fed by cold springs, and are limited to sandy, loamy soils (Aquolls and Perks sandy loam). Even though several new localities have been discovered for stinkpots, population …


Back Cover Jan 1999

Back Cover

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Front Matter Jan 1999

Front Matter

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Community Composition Of Dry Prairie In Iowa And Southeast Nebraska, Thomas R. Rosburg Jan 1999

Community Composition Of Dry Prairie In Iowa And Southeast Nebraska, Thomas R. Rosburg

Journal of the Iowa Academy of Science: JIAS

Results from quantitative research on the community composition of dry prairies across Iowa were consolidated from three different studies completed since 1983. Information is provided on the distribution and abundance of 204 dry prairie species. The most abundant species included little bluestem (Schizachyrium scoparium (Michx.) Nash), big bluestem (Andropogon gerardii Vitman), side-oats grama (Bouteloua curtipendula (Michx.) Torrey), prairie dropseed (Sporobolus heterolepis (Gray) Gray) and Kentucky bluegrass (Poa pratensis L.). Multivariate analyses were completed using two independent measures of species abundance-relative cover and community constancy. When relative cover was used to determine community composition, the abundance of graminoids (tallgrasses vs. mid-grasses) …


Back Cover Jan 1999

Back Cover

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Iowa Academy Of Science Membership Directory, 1999-2000, Iowa Academy Of Science Jan 1999

Iowa Academy Of Science Membership Directory, 1999-2000, Iowa Academy Of Science

Iowa Academy of Science Documents

Contents:

Editorial Board, Journal ... 5
Committees ... 6
Sections ... 18
ISTS Regional Directors ... 22
Awards of Merit ... 24
Excellence in Science Teaching Awards ... 25
Past Presidents ... 26
Membership Roster ... 27
Corporate Sponsors ... 70


Osmia Spp. Reared In Artificial Nesting Sites In A Backyard Environment, R. L. Wilson, C. A. Abel, S. G. Mcclurg Jan 1999

Osmia Spp. Reared In Artificial Nesting Sites In A Backyard Environment, R. L. Wilson, C. A. Abel, S. G. Mcclurg

Journal of the Iowa Academy of Science: JIAS

Controlled pollination in field cages is used at the United States Department of Agriculture - Agricultural Research Service North Central Regional Plane Introduction Station (NCRPIS) for seed increase of several plane species. Honey bees, Apis mellifera L., have been used almost exclusively for several years. Recently we began investigating other pollinating insects for controlled pollination. 0smia cornifrons (Radoszkowski), a solitary bee imported from Japan, has been an excellent early-season pollinator. We placed domiciles of these bees in backyards of the NCRPIS staff to aid us in providing adequate numbers of bees for use in field cages the following growing season. …


Editorial Board & Iowa Academy Of Science Officers And Directors Jan 1999

Editorial Board & Iowa Academy Of Science Officers And Directors

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Front Matter Jan 1999

Front Matter

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Book Review: The Tallgrass Restoration Handbook: For Prairies, Savannas, And Woodlands, Stephen D. Hendrix Jan 1999

Book Review: The Tallgrass Restoration Handbook: For Prairies, Savannas, And Woodlands, Stephen D. Hendrix

Journal of the Iowa Academy of Science: JIAS

The Tallgrass Restoration Handbook: For Prairies, Savannas, and Woodlands. Stephen Packard and Cornelia F. Mutel, eds. 1997. Society for Ecological Restoration. 463 pages. ISBN 1-55963-319-0 hdbd.

The publication of the Tallgrass Restoration Handbook is an enormous step in the right direction for people who have already learned to appreciate and admire the beauty and utility of prairies and who now want to roll up their sleeves and begin the restoration of their own bit of tallgrass prairie. All of this volume excluding the first two introductory chapters (Part I) is dedicated to the practical aspects of prairie restoration.


Front Matter Jan 1999

Front Matter

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


A Municipal Inventory And Evaluation Of Natural Areas: History And Methodology, William R. Norris, Donald R. Farrar Jan 1999

A Municipal Inventory And Evaluation Of Natural Areas: History And Methodology, William R. Norris, Donald R. Farrar

Journal of the Iowa Academy of Science: JIAS

An inventory of natural areas in the vicinity of Ames, Iowa was conducted (1990-1994) in response to conflicts arising when significant natural areas were encountered on lands approved for development by the City of Ames (Iowa) Planning Office. Methods for objective evaluation of woodland and prairie quality were developed for use during the inventory. The woodland method is based on four components: I) Diversity of expected species, H) Structure of canopy and understory layers, III) Fidelity of species to the habitat and IV) absence of Introduced Species. Rules are explicitly stated for the scoring of each component for both the …


Iowa Academy Of Science 111th Annual Meeting [1999]: Advance Program, Iowa Academy Of Science Jan 1999

Iowa Academy Of Science 111th Annual Meeting [1999]: Advance Program, Iowa Academy Of Science

Iowa Academy of Science Documents

Contains information about the schedule and presentations for the 1999 annual meeting of the Iowa Academy of Science.


Wolves And Bears: An Interdisciplinary Activity Guide For Grades 3-5, Susan L. Thomas Jan 1999

Wolves And Bears: An Interdisciplinary Activity Guide For Grades 3-5, Susan L. Thomas

All Graduate Projects

A popular set of "Discovery Boxes" are used by educators across North Central Washington. These boxes are administered by the U.S. Forest Service and focus on such themes as wolves, bears, fire, plants and forests. These boxes are available to be checked out to educators for two-week periods, and reach approximately 9,000 students annually. Each box contains "hands-on" props which enhance the learning of each theme. Some of the boxes have activity guides in them to assist the educator in teaching the theme and thus using the box to its full potential. Two of the most popular boxes, the wolf …


Hexapod Herald - Vol. 10, No. 9, December 31, 1998 Dec 1998

Hexapod Herald - Vol. 10, No. 9, December 31, 1998

Hexapod Herald and Other Entomology Department Newsletters

Grants

Presentations

Congratulations

Graduate student news

Publications

Travel

From Cheri's desk

Classes offered spring 1999

Calendar of events

National ESA award winners


Hexapod Herald - Vol. 10, No. 8, September 30, 1998 Sep 1998

Hexapod Herald - Vol. 10, No. 8, September 30, 1998

Hexapod Herald and Other Entomology Department Newsletters

Faculty news

Publications

Graduate news

Travel

Museum news

Speakers: E. O. Wilson. October 13, 1998

Conferences

Calendar of events


Hexapod Herald - Vol. 10, No. 7, August 31, 1998 Aug 1998

Hexapod Herald - Vol. 10, No. 7, August 31, 1998

Hexapod Herald and Other Entomology Department Newsletters

Faculty news

Staff news

Graduate student news

Publications

From Cheri's desk

Classes offered this semester

Calendar of events

State of Nebraska travel reimbursement requirements


Hexapod Herald - Vol. 10, No. 6, June 24, 1998 Jun 1998

Hexapod Herald - Vol. 10, No. 6, June 24, 1998

Hexapod Herald and Other Entomology Department Newsletters

Grants

Congratulations

Departmental travelers

Graduate student news

Publications

Announcements

From Cheri's desk


Hexapod Herald - Vol. 10, No. 5, May 15, 1998 May 1998

Hexapod Herald - Vol. 10, No. 5, May 15, 1998

Hexapod Herald and Other Entomology Department Newsletters

Grants

Calendar of events

Announcements

Congratulations

Departmental travelers

From Cheri's desk


Hexapod Herald - Vol. 10, No. 4, April 25, 1998 Apr 1998

Hexapod Herald - Vol. 10, No. 4, April 25, 1998

Hexapod Herald and Other Entomology Department Newsletters

Grants

Presentations

Congratulations

Calendar of events

Announcements

Departmental travelers


Program Abstracts, 110th Session, Iowa Academy Of Science, April 24-25, 1998, Iowa Academy Of Science Apr 1998

Program Abstracts, 110th Session, Iowa Academy Of Science, April 24-25, 1998, Iowa Academy Of Science

Iowa Academy of Science Documents

Presentation abstracts from the annual meeting of the Iowa Academy of Science


The Annual Meeting Of The Iowa Academy Of Science April 24-25, 1998 [Program, 110th Meeting], Iowa Academy Of Science Apr 1998

The Annual Meeting Of The Iowa Academy Of Science April 24-25, 1998 [Program, 110th Meeting], Iowa Academy Of Science

Iowa Academy of Science Documents

Contents:

Program Summary -- 3
General Session Speakers -- 5
Awards -- 8
Symposia Programs -- 9
Poster Session -- 10
Map -- Centerfold
Section Programs/Special Sessions -- 14
Agricultural Sciences -- 14
Anthropology -- 15
Botany -- 15
Biology: Cellular, Molecular, & Microbiology -- 16
Chemical Education -- 17
Chemistry: Inorganic, Analytical & Physical -- 17
Conservation -- 18
Engineering -- 19
Geology -- 23
Physics -- 24
Physiology -- 25
Psychology/Linguistics -- 27
Science Teaching -- 28
Zoology -- 28
Local Arrangements Committee -- 29
IAS Officers & Directors -- 29
IAS Annual Meeting Committee -- 30
Future …


Iowa Academy Of Science President's Banquet [110th Session], Iowa Academy Of Science Apr 1998

Iowa Academy Of Science President's Banquet [110th Session], Iowa Academy Of Science

Iowa Academy of Science Documents

Program:

Introductions
Awards:
Distinguished Fellow: Richard W. Arnold
Distinguished Service: Paul E. Rider
Distinguished Iowa Science Teacher: Charles D. Drewes
President's Address - Richard Lampe
Response - James Christiansen, President-Elect
General Sessions II - Bob Becker, "Chemical Demonstrations to Knock Your Socks Off"


110th Session Iowa Academy Of Science Awards Luncheon, April 24, 1998, Iowa Academy Of Science Apr 1998

110th Session Iowa Academy Of Science Awards Luncheon, April 24, 1998, Iowa Academy Of Science

Iowa Academy of Science Documents

Program:

--- Introductions - Richard Lampe, President
--- Recognition of students participating in various statewide activities - Ed Rezabek, Chair, Student Programs Committee
--- Presentation of scholarship winners and 1999 AJAS representatives - Peggy Tilgner, Director, Iowa Junior Academy of Science
--- Presentation of Excellence in Science Teaching Awards - Peg Steffen, Director, ESTA Program


Hexapod Herald - Vol. 10, No. 3, March 20, 1998 Mar 1998

Hexapod Herald - Vol. 10, No. 3, March 20, 1998

Hexapod Herald and Other Entomology Department Newsletters

Congratulations

Presentations

Grants

Announcement

Calendar of events

From Cheri's desk

Traveler's and visitors


Hexapod Herald - Vol. 10, No. 2, February 27, 1998 Feb 1998

Hexapod Herald - Vol. 10, No. 2, February 27, 1998

Hexapod Herald and Other Entomology Department Newsletters

Grants

Congratulations

news

Calendar of events

From Cheri's desk

Departmental travelers

Publications


Hexapod Herald - Vol. 10, No. 1, January 19, 1998 Jan 1998

Hexapod Herald - Vol. 10, No. 1, January 19, 1998

Hexapod Herald and Other Entomology Department Newsletters

Grants

Congratulations

Publications

From Cheri's desk

News

Departmental travelers

Calendar of events

New students


Front Matter Jan 1998

Front Matter

Journal of the Iowa Academy of Science: JIAS

No abstract provided.


Managing Seedling Emergence Of Cuphea In Iowa, W. W. Roath Jan 1998

Managing Seedling Emergence Of Cuphea In Iowa, W. W. Roath

Journal of the Iowa Academy of Science: JIAS

Cuphea, a western hemisphere genus of some 260 species, has been proposed as a domestic source of medium-chain fatty acids. These fatty acids are used primarily in soap and detergent manufacture and are presently extracted from imported tropical oils or from petroleum. Considerable difficulty in obtaining consistent plant stands with direct seeding has been experienced at two Iowa locations. Trials were initiated in 1987 and continued through 1994 to test various treatments upon seedling emergence of C. laminuligera Koehne, C lanceolata Ait., and hybrid C. viscosissima Jacq. X C. lanceolata. These treatments included planting depths from 1.3 to 6.4 cm, …