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The Plot Thickens: Using A Plotting Activity To Start Your School Year Strong, Joe Taylor

Iowa Science Teachers Journal

Captivating students and setting high expectations for critical thinking are two key classroom goals. This plotting and graphing activity is designed specifically to achieve these goals. Additionally, this activity can be modified for any science course taught at the secondary school level. Support materials including teacher and student printouts are provided at the end of the article. This activity promotes National Science Education Standards A, C, D, and F and Iowa Teaching Standards 1, 3, 4, 5, and 6.

Keeping It Green: Using A Compost To Improve Student Learning, Spencer Mesick, Kayla Hendrix

Iowa Science Teachers Journal

This article discusses ways in which composting might be used to mentally engage students with science content. Incorporating a compost pile in the classroom provides ample connections to future science content (e.g., conditions necessary for the life of organisms in a well running aerobic compost, what decomposition means in a biological sense, aerobic vs. anaerobic decomposition, food webs, respiration, recycling of nutrients, landfill issues, etc.). Also, reflecting the complexities of effective science teaching, the article makes clear the crucial role of the teacher during the activity. The science content and activity addressed in this article are appropriate for 9th - …

When Dissatisfaction Is A Good Thing, Michael P. Clough, Jerrid Kruse

Iowa Science Teachers Journal

Our previous editorial (Clough and Kruse, 2010) in the Iowa Science Teacher Journal used conceptual change theory (Posner, 1982; Pintrich et al., 1993; Abd-El-Khalick & Akerson, 2004; Clough, 2006) to highlight the similarities between students learning science content and educators learning to teach well. An important part of conceptual change is first acknowledging and then confronting current ways of thinking. That is, before learners (whether children or adults) will consider altering their thinking, they must first develop some sense of dissatisfaction with their currently held ideas. That can be difficult because the ideas people hold do appear to work — …

Exploring The Depths: Inquiry To Apply And Deepen Students’ Understanding Of Density, James M. Sleep, Lee Johnson

Iowa Science Teachers Journal

This activity is designed to deepen students' understanding of the concept of density through scientific inquiry. Students devise procedures to determine the relative and absolute (qualitative and quantitative) densities of several solutions of salt water, and establish a class consensus on their results. Students then apply their findings to estimate the density of an unknown solution. The targeted grade-level for this activity is 8 grade physical science. However, because we know students at all grade levels struggle to understand density, this activity could also be useful in high school Earth science and chemistry. This activity promotes National Science Education Content …

Temperature Rising: Investigating Rates Of Temperature Change, Jacob Norlin, Daryl Miller

Iowa Science Teachers Journal

This exploratory activity, designed for secondary physical science or earth science students, investigates rates of temperature change over bodies of water and land. Students discuss temperature trends of several cities across the United States, which creates an opportunity to conduct classroom experiments to explain these trends. Students write procedures and generate data of temperature changes between areas of water and land. Students gain a valuable, concrete experience of temperature changes which in turn enables them to better understand and explain why similar cities experience vastly different temperature patterns. This activity can then serve as a basis to address the abstract …

Confronting Doubts About The Intelligibility, Plausibility, And Fruitfulness Of Inquiry-Based Instruction, Jerrid Kruse, Michael P. Clough

Iowa Science Teachers Journal

Our two prior ISTJ editorials in the Iowa Science Teacher Journal (Clough & Kruse, 2010a & 2010b) have applied a conceptual change framework (Posner, Strike, Hewson & Gertzog, 1983; Pintrich et al., 1993; Abd-El-Khalick & Akerson, 2004; Clough, 2006a) to understand the difficulties students have in abandoning their intuitive ideas about the natural world and, for the same reasons, the difficulties teachers have in jettisoning their intuitive and learning. Our last editorial noted that in both cases, dissatisfaction with prior ways of thinking must be achieved before alternative ways of thinking will be seriously sought and considered. To initiate a …

Thinking On Paper: Using Science Notebooks To Increase Active Engagement In The Elementary Science Classroom, Kimberly R. Gasaway

Iowa Science Teachers Journal

The need for scientific literacy is becoming a new standard to which school districts are being held accountable. Student inquiry and the ability to “think like a scientist” will increase the depth at which students understand the natural world and make connections that are critical in strengthening students' scientific literacy. In addition, research has shown that when students were actively engaged in the learning process, they participated more enthusiastically and retained the concepts being taught. Science notebooks help students learn to record and make sense of data and observations about the natural world and come to deeper understanding of scientific …

Mammal Capture Success Of Scent Stations And Remote Cameras In Prairie And Forest Habitat, Marc N. Mckinney, Aaron M. Haines

Journal of the Iowa Academy of Science: JIAS

Two common noninvasive (i.e., no stress to the animal) methods used to survey mammals include track stations (i.e., track captures of mammals) and remote camera-traps (i.e., photo-captures of mammals). Our objectives were to compare capture effectiveness of both track stations and remote cameras in both forested and prairie habitats. This project was conducted on 4 study sires (2 forested sires and 2 prairie sites) located in Fayette County, Iowa. Each study site had 6 trapping stations 2:: 100 m apart. We monitored traps for a total of 216 trap nights and we recorded a total of 368 captures composed of …

Table Of Contents (Back Cover)

Journal of the Iowa Academy of Science: JIAS

No abstract provided.

Probe (Problem-Based Learning Activities For K-12 Science), Jody Stone

K-12 Curriculum Supplements

This book, PROBE: Problem-Based Learning Activities for K-12 Science, is a K-12 curriculum supplement developed by the Jody Stone at the Malcom Price Laboratory School to teach problem-based science learning.

PROBE covers the following areas: Chemistry, Earth Science, Environmental Science, Health Science, Inquiry, Life Science, Literacy, Math, Physical Science, and Physics. The materials were developed for different grades ranging from PreK to 12th grade.

Meaningful Distributed Instruction— Conceptual Previews For Symbolic Procedures, Edward C. Rathmell

Faculty Work

Understanding a symbolic procedure means far more than “getting the right answer.” A mathematical symbolic procedure or written skill involves step-bystep thinking that leads from a computational problem to a solution. Memorizing this step-by-step procedure may enable a student to answer the problem, even answer it correctly. Yes, that is important, but understanding means much more.

Butterfly Response To Floral Resources At A Heterogeneous Prairie Biofuel Production Site, Benjamin J. Hoksch, Mark C. Myers

Undergraduate Student Work

In the Midwestern USA, current biofuel production systems rely on high input monoculture crops that do little to support biodiversity or protect soil and water resources. The University of Northern Iowa’s Tallgrass Prairie Center is investigating the feasibility of cultivating and harvesting diverse mixes of native prairie vegetation as a sustainable biofuel. In 2009, we established 48 research plots seeded with one of four treatments: 1) switchgrass monoculture, 2) warm-season grass mix (5 species), 3) biomass mix (16 species of grasses and forbs), or 4) prairie mix (32 species of grasses and forbs). We hypothesized that more diverse plant communities …

A Study Of Published Journal Articles On Brain-Based Learning From 1985 To 2009, Janece Shaffer

Dissertations and Theses @ UNI

Educators are required to implement scientifically-based research interventions in their classrooms, but teachers and administrators may not be aware of the current laws and requirements of NCLB legislation. NCLB (2001) requires that educators implement research-based interventions. Brain-based learning programs have been implemented in classrooms throughout the country, even though the research base for such programs may be inadequate. This study presents the results of educational database searches for empirical studies involving brain-based or brain-compatible learning published in educational journals between 1985 and 2009. A total of 77 articles on brain-based learning were published during this time period but only 5 …

Analysis Of Atmospheric Boundary Layer Characteristics And The Synoptic-Scale Weather Pattern At The Potosi, Wi Slams Monitor, Sean K. Newlin

Honors Program Theses

Boundary layer parameters were analyzed for high impact fine-particulate pollution days for the years 2006 through 2009 in Potosi, Wisconsin. Potosi has seen recent 24-hour PM2.s design values at or near the National Ambient Air Quality Standards (NAAQS) of 35 micrograms per cubic meter. Every sampling date in the years 2006 through 2009 with a 24- hour PM2.5 particulate concentration above the year's trend line was studied as were the cleanest 10 days of each year. In particular, composite upper air profiles were constructed using observations from the nearby radiosonde stations, surface and S00mb weather maps were retrieved, the virtual …

Iowa Academy Of Science 122nd Annual Meeting [2010]: Advance Program, Iowa Academy Of Science

Iowa Academy of Science Documents

Contains information about the schedule and presentations for the 2010 annual meeting of the Iowa Academy of Science.

Proceedings Of The 122nd Annual Meeting Of The Iowa Academy Of Science [Program, 2010], Iowa Academy Of Science

Iowa Academy of Science Documents

Contents:

Program Summary --- 2-3
Acknowledgements --- 4
Welcome from our Campus Host --- 5
IAS 2009-2010 Volunteers --- 6
Iowa Junior Academy of Science --- 7
General Session I --- 8
IJAS Award Luncheon --- 9
IAS Annual Business Meeting --- 9
Symposia Presentations --- 10-12
Great Moments in Iowa Science --- 13
Senior Poster Program --- 14-15
President's Banquet --- 16
General Session 11 --- 17
General Session III --- 18
ESTA Award Luncheon --- 19
Saturday Field Trips --- 20
Section Meeting Programs and Oral Presentations (Alphabetical by Section) --- 21-29
Abstracts (by Section) --- 30-59
Author …

Investigating The Use Of Ranking Tasks To Improve Student Conceptual Understanding In An Introductory High School Physics Course, Matthew Joseph Harding

Dissertations and Theses @ UNI

The focus of this study was to determine whether the use of Ranking Tasks during study of physics could improve conceptual understanding for introductory high school physics students. The effectiveness of the treatment was evaluated by analyzing student performance on the Force Concept Inventory, and the Physics Class Attitudes Survey. As enrollment in introductory physics courses increases, and the variety of students studying physics broadens, instructors will be increasingly tasked with finding new instructional strategies that can benefit these student populations. Results of this study indicate promise for the implementation of Ranking Tasks for identifying student conceptual understanding in Newtonian …

Differentiating Instruction In The High School Science Classroom: Instructional Accommodations For Students With Attention-Deficit/Hyperactivity Disorder, English Language Learners, And Gifted Learners, Nicole M. Kesselring

Graduate Research Papers

Students in today's classrooms come from many different backgrounds and have many different educational needs and learning styles. Today's education emphasizes inclusion of students with learning disabilities and a reduction of out-of-class services for gifted learners. Working to meet the needs of the broad spectrum of students is a big challenge for many of today's science teachers. Indications are that most teachers are making few proactive modifications based on learner variance. Inclusion of students with Attention-Deficit/Hyperactivity Disorder (ADHD) and English Language Learners (ELL) in science classrooms along with gifted learners calls for a need of differentiated or academically responsive instruction. …

Struggling Learners Of Mathematics: An Investigation Of Their Learning Through Reform-Based Instruction, Jennifer Pothast

Dissertations and Theses @ UNI

The purpose of this study was to explore mathematics instruction which implements reform-based problems within a traditionally taught classroom and its effect on struggling learners of mathematics. The reform-based problems implemented during the course of this study dealt with area and perimeter concepts at the fifth grade level. For this study, struggling learners of mathematics were defined as students scoring below the 40th percentile on the mathematics subtests of the Iowa Test of Basic Skills. The regular classroom teacher taught all lessons during the unit of instruction, while the researcher collected data from students using multiple methods: pretests and posttests, …

The Impact Of Mathematics Professional Development On Elementary Teachers' Mathematics Content Knowledge For Teaching And Implementation Of Innovative Pedagogical Practices, Vicki Oleson

Dissertations and Theses @ UNI

This study sought to understand the process of change elementary teachers experienced as they participated in mathematics professional development. This investigation explored the impact of mathematics professional development on teachers' content knowledge for teaching, their ability to implement innovative pedagogical practices, and the relationship between these two components of teacher change. Data collected from a semester-long professional development course involving 20 teachers from rural southwest Iowa was analyzed for this study.

Data was collected from six teachers involved in the professional development course. Data collected during the professional development course included a pre and post test of teachers' content knowledge, …

The Student Achievement Decline At Sixth Grade And The Practices Impacting Achievement, Mary Cooksley

Dissertations and Theses @ UNI

A trend in the decline of proficiency levels, as measured by the Iowa Tests of Basic Skills (ITBS), exists at the sixth grade in both Mathematics and Reading Comprehension across the state of Iowa (Adequate Yearly Progress Statistics (2006–2008) [Data File] Des Moines, IA: Iowa Department of Education). This mixed method study focused on the practices impacting student performance between the fifth grade and the sixth grade. Research related to the decline of sixth grade student achievement reveals the possible factors resulting in lower achievement: Grade span configuration, the transition between fifth and sixth grade, adolescent development and middle level …

Conflicting Identities And Ideologies: A Rhetorical Analysis Of The National Japanese American Memorial To Patriotism During World War Ii, Kaori Yamada

Dissertations and Theses @ UNI

This thesis is a rhetorical criticism of the National Japanese American Memorial to Patriotism During World War II, located in Washington, D.C. It was erected on November 9, 2000, to memorialize Japanese Americans who were forced to move to the relocation camps and Japanese American soldiers who died as members of the U.S. armed forces during WWII. Examining the intended meaning of the Memorial by its creators is not a central focus of this study. Rather, I investigate how interactions among the rhetoric of the Memorial, social contexts, and audiences create multiple meanings.

The first analytic focus is the symbolic …

A Case Study Of The Perceptions Of Stakeholders From A School District In Iowa On The Impact Of No Child Left Behind On The Comprehensive High School, Brian Coppess

Dissertations and Theses @ UNI

The American comprehensive high school was designed for a diverse society (Wraga, 1998, p. 1 ). The concept originated in the 1920s as a result of a report entitled The Cardinal Principles of Secondary Education (Commission on the Reorganization of Secondary Education [CRSE], 1918). Since the adoption of The Cardinal Principles, the institution of the comprehensive high school has withstood years of continued review and reform efforts. Despite the many attempts to change it, the comprehensive high school has remained a constant of secondary education in America. The nation's most recent educational reform effort-the No Child Left Behind Act (NCLB, …

Educational Applications Of Achievement Goal Theory, Michelle Hinzman

Dissertations and Theses @ UNI

In the past two decades, achievement goal theory has been found particularly useful in explaining student motivation (Kaplan & Maehr, 2007; Kaplan, Middleton, Urdan, & Midgley, 2002). The purpose of this study was to analyze differences between the achievement goals espoused by middle school and elementary teachers. A mixed-method approach was utilized that required teachers in an urban, eastern Iowa school district to complete a survey regarding their motivational beliefs. Select teachers were then identified based on survey results to be observed and interviewed in an attempt to further analyze instructional practices as they related to student motivation. Results of …

Do Pull-Out Programs Create A Mirage Of Long-Term Results For At-Risk Youth?, Varotta Mi'chele Johnson

Dissertations and Theses @ UNI

Educators and researchers cannot afford to ignore the achievement gap between at-risk students and their counterparts. The review examines educational practices for this targeted population. Historically, educational experts have supported the belief that teaching in isolated settings is one of the most effective practices for improving student achievement. Smaller class sizes are proposed as reform methods to substantially impact student performance (Odden, 1990). However, class size reduction must be coupled with research-based instructional strategies proven to further academic development. Traditionally, at-risk students receive instruction through pull-out interventions. A pull-out program in this study shall be defined as the removal of …

Improving The Instruction And Learning Of Topographic Maps Through The Use Of Geospatial Technologies, Troy Dean Schwemm

Dissertations and Theses @ UNI

Geographic information technologies (GIT) are spatially based technologies that include geographic information systems (GIS), remote sensing, and global positioning systems (GPS). Though GIT has been used in society for decades, and has grown tremendously in the last 10 years as advancements in technology have become available, its inclusion into the K-12 curriculum has not kept pace. As the educational reform movement places an ever increasing amount of pressure on schools to produce technologically literate, workforce ready graduates, school districts are scrambling to find creative, innovative ways to accomplish this task. Rather than learning passively, GIT allows students to construct their …

Regional Differences In Jurors’ Attitudes And Knowledge, Heather M. Caspers

Dissertations and Theses @ UNI

Dynamic social impact theory (DSIT; Latane, 1996) suggests that social influence leads to four phenomena: clustering (regional differences in attitudes), correlation (emergent relationships between attitudes), consolidation (reduction in attitude variance), and continuing diversity (whereby minority opinions persist). These phenomena have been shown in a variety of settings (Harton & Bourgeois, 2004; Harton & Bullock, 2007), but geographic clustering in attitudes about crime have not been examined. These attitudes have the potential to affect a verdict in a trial if a defendant has a change of venue to a different area of the state or the country. Two datasets, the National …

Identification Of Virulence Genes In The Corn Pathogen Fusarium Verticillioides, Divya Chouhan

Dissertations and Theses @ UNI

Fusarium verticillioides is a pathogenic fungus that causes infection of crops and vegetables such as corn, wheat, potato, cassava, banana, potato and sorghum. It causes various diseases in corn such as seedling blight, root, stalk, and ear rot. Pathogenic Fusarium species have caused billions of dollars of damage through reduced yield. F.verticillioides also produces mycotoxins such as fumonisin. Consumption of contaminated grain can cause various diseases in animals such as pulmonary oedema in pigs and leukoencephalomalacia in horses, and may be associated with esophageal cancer in humans. Identification of virulence genes in F. verticillioides will help in understanding its biology …

Trends In Environmental Concern By Grade Level: A Study Of Elementary, Middle, And High School Students, Ryan David Lensing

Dissertations and Theses @ UNI

Environmental concern has been frequently measured since the 1970's, however, much of this research has focused on adults. Of the studies that look at students, the majority focus on high school with little attention given to middle or elementary grades. None of these studies have looked at elementary, middle, and high school students from the same population. This study uses the NEP Scale for Children in conjunction with free response questions to examine the trends in environmental concern from 120 Catholic elementary, middle school, and high school students from Des Moines, Iowa. The findings show no significant differences in levels …

The Role Of Stereotype Threat In The Underrepresentation Of Minority Students In Gifted Education, M. Erin Potter

Dissertations and Theses @ UNI

Stereotype threat is a social psychological phenomenon that has been demonstrated to negatively affect performance of individuals who are members of non-Asian ethnic minority groups in terms of academic achievement. Although these effects have been documented in adults, very few studies have examined stereotype threat in K-12 students. Further, it is not clear whether stereotype threat could negatively impact students' performance on standardized tests, such as those used for screening for gifted programs. The purpose of this study was to examine whether stereotype threat could be reduced in a sample of Caucasian and African-American middle-school students who were taking a …