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University professors collaborated with a fifth grade science teacher to implement a mixed method study that investigated the effectiveness of a collaboratively developed planning model on fifth grade student science knowledge gain and the impact of coaching on teacher instructional change. For one school year, from the fall through the spring semester, the teacher implemented the planning model and was coached twice monthly by the professors. The research questions were: (1) what is the effect of the science planning model on fifth grade student science content gain on students receiving the treatment and those not receiving the treatment?; (2) what is the effect of the science planning model on fifth grade at-risk student science content gain and other fifth grade student science content gain when both groups receive the treatment?; and (3) what kind of change occurs in instructional delivery when content experts collaborate with and coach a fifth grade classroom science teacher? Science instruction integrating reading and writing strategies enhanced science knowledge gains of at-risk students. Coaching a teacher through the implementation of a planning model shifted instruction from teacher-centered to student-centered and placed the construction of science knowledge onto the students.

Ncpea education leadership review: portland conference special edition, volume 12, number 3 (october 2011)

This manuscript has been peer-reviewed, accepted, and endorsed by the National Council of Professors of Educational Administration (NCPEA) as a significant contribution to the scholarship and practice of education administration. In addition to publication in the Connexions Content Commons, this module is published in the Education Leadership Review, Portland Special Issue (October, 2011), ISSN 1532-0723. Formatted and edited in Connexions by Theodore Creighton and Brad Bizzell, Virginia Tech and Janet Tareilo, Stephen F. Austin State University.

Introduction

Teachers at an elementary school in deep, east Texas were challenged to fit science into the daily schedule partially due to reading and math expectations reiterated in the No Child Left Behind Act’s goal of all students performing at or above grade level by the year 2014 (ED.gov, 2008). Oftentimes, teachers in the lower elementary grades do not implement science instruction on a daily basis partially because they do not feel proficient in teaching science, and/or they perceive science as less critical than the teaching of reading and mathematics (Berube, 2008). The teachers of this elementary school were no different and were faced with science scores on the Texas accountability measure, Texas Assessment of Academic Skills (TAKS), that were lower than their reading and mathematics scores. The teachers were challenged to increase science performance while maintaining and increasing performance in reading, writing, and mathematics. The diversity of the student population also impacted academic performance. The demographic composition of the campus was approximately 33.8 % African American, 33 % Hispanic, 28.4 % White, .2 % Native American, and 4.6 % Asian. In addition, 59.1 % were classified as at-risk of dropping out of school. The purpose of the study was to investigate the effectiveness of a collaboratively developed planning model that included integrating reading and writing strategies into the instruction of science. The research questions were: (1) what is the effect of the science planning model on fifth grade student science content gain on students receiving the treatment and those not receiving the treatment?; (2) what is the effect of the science planning model on fifth grade at-risk student science content gain and other fifth grade student science content gain when both groups receive the treatment?; and (3) what kind of change occurs in instructional delivery when content experts collaborate with and coach a fifth grade classroom science teacher?

Questions & Answers

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studies of microbes
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Assimilatory nitrate reduction is a process that occurs in some microorganisms, such as bacteria and archaea, in which nitrate (NO3-) is reduced to nitrite (NO2-), and then further reduced to ammonia (NH3).
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Prevent foreign microbes to the host
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they provide healthier benefits to their hosts
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They are friends to host only when Host immune system is strong and become enemies when the host immune system is weakened . very bad relationship!
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cell is the smallest unit of life
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cell is the structural and functional unit of life
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is the fundamental units of Life
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Source:  OpenStax, Education leadership review special issue: portland conference, volume 12, number 3 (october 2011). OpenStax CNX. Oct 17, 2011 Download for free at http://cnx.org/content/col11362/1.5
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