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The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Introduction, James L. Christiansen, Russell R. Burken
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Introduction, James L. Christiansen, Russell R. Burken
Iowa Science Teachers Journal
Iowa has 23 amphibian and reptilian species whose known populations or ranges within the state are so small as to justify their inclusion in the state's endangered or threatened list (Roosa, 1977). This paper is intended to inform the Iowa scientific teaching community of the plight of these species and to recruit help in gathering information relative to their distribution. Most of the information presented here has been accumulated by Christiansen and Bailey (manuscripts in preparation or in press) in their work on the amphibians and reptiles of Iowa.
Cover - Front Matter - Table Of Contents
Cover - Front Matter - Table Of Contents
Iowa Science Teachers Journal
No abstract provided.
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Frogs, James L. Christiansen, Russell R. Burken
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Frogs, James L. Christiansen, Russell R. Burken
Iowa Science Teachers Journal
Iowa has 23 amphibian and reptilian species whose known populations or ranges within the state are so small as to justify their inclusion in the state's endangered or threatened list (Roosa, 1977). This paper is intended to inform the Iowa scientific teaching community of the plight of these species and to recruit help in gathering information relative to their distribution. Most of the information presented here has been accumulated by Christiansen and Bailey (manuscripts in preparation or in press) in their work on the amphibians and reptiles of Iowa.
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Salamandars, James L. Christiansen, Russell R. Burken
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Salamandars, James L. Christiansen, Russell R. Burken
Iowa Science Teachers Journal
Iowa has 23 amphibian and reptilian species whose known populations or ranges within the state are so small as to justify their inclusion in the state's endangered or threatened list (Roosa, 1977). This paper is intended to inform the Iowa scientific teaching community of the plight of these species and to recruit help in gathering information relative to their distribution. Most of the information presented here has been accumulated by Christiansen and Bailey (manuscripts in preparation or in press) in their work on the amphibians and reptiles of Iowa.
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Lizards, James L. Christiansen, Russell R. Burken
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Lizards, James L. Christiansen, Russell R. Burken
Iowa Science Teachers Journal
Iowa has 23 amphibian and reptilian species whose known populations or ranges within the state are so small as to justify their inclusion in the state's endangered or threatened list (Roosa, 1977). This paper is intended to inform the Iowa scientific teaching community of the plight of these species and to recruit help in gathering information relative to their distribution. Most of the information presented here has been accumulated by Christiansen and Bailey (manuscripts in preparation or in press) in their work on the amphibians and reptiles of Iowa.
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Turtles, James L. Christiansen, Russell R. Burken
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Turtles, James L. Christiansen, Russell R. Burken
Iowa Science Teachers Journal
Iowa has 23 amphibian and reptilian species whose known populations or ranges within the state are so small as to justify their inclusion in the state's endangered or threatened list (Roosa, 1977). This paper is intended to inform the Iowa scientific teaching community of the plight of these species and to recruit help in gathering information relative to their distribution. Most of the information presented here has been accumulated by Christiansen and Bailey (manuscripts in preparation or in press) in their work on the amphibians and reptiles of Iowa.
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Snakes, James L. Christiansen, Russell R. Burken
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Snakes, James L. Christiansen, Russell R. Burken
Iowa Science Teachers Journal
Iowa has 23 amphibian and reptilian species whose known populations or ranges within the state are so small as to justify their inclusion in the state's endangered or threatened list (Roosa, 1977). This paper is intended to inform the Iowa scientific teaching community of the plight of these species and to recruit help in gathering information relative to their distribution. Most of the information presented here has been accumulated by Christiansen and Bailey (manuscripts in preparation or in press) in their work on the amphibians and reptiles of Iowa.
Cover - Front Matter - Table Of Contents
Cover - Front Matter - Table Of Contents
Iowa Science Teachers Journal
No abstract provided.
Chemical And Biohazards Alert, Jack B. Kinsinger
Chemical And Biohazards Alert, Jack B. Kinsinger
Iowa Science Teachers Journal
It is now understood that some chemicals have an extraordinary high potential for causing cancer in humans. Fourteen such chemicals are classified on the zero exposure tolerance list. Fourteen such chemicals are classified on the zero exposure tolerance list. The names of these fourteen chemicals are listed below.
New Environmental Education Resource
New Environmental Education Resource
Iowa Science Teachers Journal
Environmental Education Process for Iowa Schools by Bernard Clausen and David McCalley of the University of Northern Iowa has been published recently by the Curriculum Division of the Iowa Department of Public Instruction.
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Complete Issue, James L. Christiansen, Russell R. Burken
The Endangered And Uncommon Amphibians And Reptiles Of Iowa - Complete Issue, James L. Christiansen, Russell R. Burken
Iowa Science Teachers Journal
Iowa has 23 amphibian and reptilian species whose known populations or ranges within the state are so small as to justify their inclusion in the state's endangered or threatened list (Roosa, 1977). This paper is intended to inform the Iowa scientific teaching community of the plight of these species and to recruit help in gathering information relative to their distribution. Most of the information presented here has been accumulated by Christiansen and Bailey (manuscripts in preparation or in press) in their work on the amphibians and reptiles of Iowa.
Snow (Part Ii), Janet Morley
Snow (Part Ii), Janet Morley
Iowa Science Teachers Journal
In Snow (Part I), an exploration was made of the physical factors influencing the formation and deposition of snowcover. In this article, the physical properties of snow will be discussed with respect to their affect upon winter animal life.
Snow Words
Iowa Science Teachers Journal
Eskimos have at least eleven different words for snow.
Organizing A Rock And Mineral Club (Part Ii), Ron Bonstetter
Organizing A Rock And Mineral Club (Part Ii), Ron Bonstetter
Iowa Science Teachers Journal
Rock and Mineral Clubs (Part I) provided ideas for the initial organization of rock and mineral clubs. In order for club members to develop this avocation to its fullest, a number of basic skills have to be mastered and some equipment must be acquired. The basic skills include rock, mineral and fossil identification and collection, as well as skills in lapidary such as tumbling, cutting, shaping and mounting gemstones.
Westinghouse Science Talent Search
Westinghouse Science Talent Search
Iowa Science Teachers Journal
Those teachers desiring information on the Westinghouse Science. Talent Search should contact Dr. Gary Downs, Director, Department of Education, Iowa State University.
Iowa's Diatoms: Part I (Collection), James Hungerford
Iowa's Diatoms: Part I (Collection), James Hungerford
Iowa Science Teachers Journal
The three dominant groups of algae found in Iowa are Chlorophyta (green algae), Cyanophyta (blue-green algae), and Chrysophyta (golden-brown algae). The golden-brown algae is composed of a variety of species called diatoms. This is the first in a series of articles on Iowa diatoms. Unlike most other plant species which have cell walls of cellulose, diatoms have siliceous cell walls constructed of two overlapping valves which fit together like the lids of Petri dishes. These walls are ornamented with fine ridges, lines and pores that are characteristic for each species. Although the contents of the cells decompose readily the cell …
Mice
Iowa Science Teachers Journal
If a pair of field mice can produce six offspring 17 times a year (and they can) then in just a few months, two mice could become millions.
Decapods Of Iowa (Part I), Gary Phillips
Decapods Of Iowa (Part I), Gary Phillips
Iowa Science Teachers Journal
Decapods are a fascinating group of animals which inhabit most aquatic environments in Iowa. As they are secretive, their habits are not well known. However, they play an important role in Iowa's aquatic communities and are worthy of more attention by biology teachers and their students. Decapods are members of the class Crustacea, a group of arthropods with gills and heavy, crust-like exoskeletons. Crustaceans include such diverse forms as the microscopic water fleas and copepods, the larger sowbugs and amphipods and the more familiar decapods such as crayfish and river shrimp. All decapods have ten walking legs. In Iowa, decapods …
The Metric "Indy", Janice Brandt, Daniel Yates
The Metric "Indy", Janice Brandt, Daniel Yates
Iowa Science Teachers Journal
The following is a game designed to provide practice with basic metric units of linear measurement. Students turn up cards to advance their "race cars" along a centimeter track. The race cars can be made of white cuisenaire rods, centicubes or similar objects. This game is suitable for grades 3-8.
New Scientist
Iowa Science Teachers Journal
New Scientist is an interesting magazine concerning new discoveries in science having large social, environmental and technological impact written in a popular style.
Free Films
Iowa Science Teachers Journal
The Canadian Consulate has a series of excellent science films available to educators on a free loan basis.
Entry Into Elementary Science Through Live Animals, Stanley L. Weinberg
Entry Into Elementary Science Through Live Animals, Stanley L. Weinberg
Iowa Science Teachers Journal
Some years ago I did a series of animal behavior film loops for the Ealing Company. The film loops sold well. Their distribution has been taken over by a subsidiary of CBS and they still sell. The series has been a commercial success. But I judge it a pedagogical failure.
Free Materials
Iowa Science Teachers Journal
Available from Educational Materials, Chevron Chemical Company.
When You've Reached The Last Straw
When You've Reached The Last Straw
Iowa Science Teachers Journal
Flatten one end of a drinking straw. With scissors, trim the flattened end into the shape shown in Figure 1. Put the flattened, trimmed end into your mouth and blow hard. With a few tries you should become proficient in producing a loud squawk.
Free Units
Iowa Science Teachers Journal
The following units can be obtained free from the U.S. Department of Energy.
Chameleons In The Classroom, David Fagle, Nancy Walden
Chameleons In The Classroom, David Fagle, Nancy Walden
Iowa Science Teachers Journal
What can you get at a pet shop that will change its color and your science teaching? You can get Anolis carolinensis, a unique and interesting reptile that has become a commonplace object of study in many progressive science classrooms. Anolis carolinensis, the American chameleon is not a "true" chameleon. "True" chameleons exhibit more dramatic color changes, but children are charmed and intrigued by the behavior and color changes exhibited by this American reptile.
Learning To Write Chemical Equations Is Something Else, Robert W. Hanson
Learning To Write Chemical Equations Is Something Else, Robert W. Hanson
Iowa Science Teachers Journal
Chemical equations are the stock-in-trade for much of what is expected of students in the first semester of college chemistry. Knowing how to read them, balance them, and interpret them in terms of molar ratios or stoichiometry is one thing; being able to write them from chemical knowledge or from experimental observations is another.
Officers, Iowa Academy Of Science; Editorial Staff ; Officers & Regional Directors, Iowa Science Teachers Section; Advisory & Technical Review Boards
Iowa Science Teachers Journal
No abstract provided.
Cover - Front Matter - Table Of Contents
Cover - Front Matter - Table Of Contents
Iowa Science Teachers Journal
No abstract provided.
Iowa Science Teachers Fall Conference
Iowa Science Teachers Fall Conference
Iowa Science Teachers Journal
Iowa Science Teachers Fall Conference, Co-sponsored by NSTA and IAS.