K-12 science
Guest Editorial: Limiting Risk in the K-12 Science Lab Through Increased Supervision
... Limiting the use of large amounts of flammable substances particularly solvents has been a focus of lab safety experts for some time and in this respect seeing the rainbow experiment ...
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Development and Validation of Physical Science Workbook for Senior High School
... the K-12 program and includes Grades 11 and 12, where students go through a core curriculum and subjects under a track of their ...physical science is one of the core subjects offered across ...
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A Visual Representation of Three Dimensional Learning: A Model for Understanding the Power of the Framework and the NGSS
... in science education is changing how we think about the teaching and learning of science ...learn science by actively engaging in the practices of science, including conducting investigations; ...
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Developing an Educational Tool to Model Food Chains
... for K-12 Science Education (NRC, 2012) and Next Generation Science Standards (NGSS Lead States, 2013) stress that in addition to disciplinary core ideas (content), students need to engage in ...
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Year: 2018 Volume: 6 Number: 4 (Special Issue on Engineering Education)
... reading, science, writing, the arts, civics, economics, geography, United States history, and more recently in Technology and Engineering Literacy (TEL) (Institute of Education Sciences, ...for K-12 ...
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A Needs Assessment for the Adoption of Next Generation Science Standards (NGSS) in K-12 Education in the United States
... of alternate language for educational technology – encouraging a counter-lexicon that reflects more accurately the conflicts, compromises and exclusions at play” (p.5). Liu, Navarrete, and Wivagg (2014) noted that there ...
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Year: 2017 Volume: 5 Number: 1 (Special Issue on STEM Education)
... of science and engineering that are essential to explain and predict a host of phenomena and to solve ...of science, serve as thinking tools to make sense of phenomena, and serve as building blocks for ...
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Needs assessment of teachers’ knowledge bases, pedagogical approaches and self-efficacy in implementing the K to 12 science and mathematics curriculum
... Carlos Science and Mathematics Education Department (USC SMED) is a member of a consortium network of universities in the country who served as delivering institutions for the scholarship programs offered by the ...
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PARTNERSHIPS: A SYSTEMIC STUDY OF TWO PROFESSIONAL DEVELOPMENTS WITH UNIVERSITY FACULTY AND K-12 TEACHERS OF SCIENCE, TECHNOLOGY, ENGINEERING, AND MATHEMATICS
... forms, science, technology, engineering, and mathematics (STEM) K-12 teacher professional development (PD) is important around the ...two K-12 teacher PDs (n=31 and 19 total PD days), ...
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12. Jeyaprakash, K. Karthigeyan and S. Rathinavel
... Petioles 2-5 cm long, terete, glabrous, petiolar glands crater-shaped with raised margin, present just below the insertion point of pinnae and first leaflet pair; rachis 1.5-6 cm long[r] ...
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PSEUDOINVERSIONS IN THE CHROMOSOME OF ESCHERICHIA COLI K-12
... coli donor strains, gives rise to pseudo- transpositions or pseudoinversions when: (1 ) The markers investigated are very close to the leading end of the donor chromosome; a[r] ...
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The Absence of Religious Neutrality in K-12 Public Science Education
... 292. Framework, supra note 156, at 24-25 (“Children entering kindergarten have surprisingly sophisticated ways of thinking about the world, based in part on their direct experiences with the physical environment, such ...
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THE GENETIC MAP OF ESCHERICHIA COLI K-12
... Independent tests suggested that extrapolation of the initial slopes of the resulting anomalous transfer curves provides the most accurate time of entry data and that extra[r] ...
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The Essential Genome of Escherichia coli K 12
... FIG 1 Genome-wide transposon insertion sites mapped to E. coli strain BW25113. (A) Frequency and location of transposon junction sequences from a mini-Tn5 transposon library in strain BW25113, mapped to the BW25113 ...
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Plasmid maintenance in Escherichia coli K 12
... independently of the recA gene product by enzymes that recognize such short homologous sequences. Support for this latter model comes from evidence which indicates that precise excision of transposable elements can be ...
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STEM education K-12: perspectives on integration
... doing so, Li emphasized the need for researchers to “span disciplinary boundaries. ” Boundary crossing is a primary feature of integrated STEM perspectives, although the ex- tent of disciplinary crossing in definitions ...
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Vol 59, No 2 (2019)
... It has now been three years of working with the UMass Center, with a total of fifty sessions. That means I have pre- sented to 1,250 local students, grades K–12. It continues to be such a special and ...
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Bernstein Multi-Scaling Operational Matrix Method for Nonlinear Matrix Differential Models of Second-Order
... ing can be modelled in the form of matrix dif- ferential equations. Models of differential equa- tions of second-order frequently appear in molec- ular dynamics, quantum mechanics and for scat- tering methods, where one ...
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12. P. Muthupriya, M. Mugilan and K. Sivakumar
... In the present study, the peroxidase enzyme was extracted from the tubers of Raphanus sativus L. and tested for their decolourization efficiency against reactive dyes. The extracted peroxidase was concentrated and ...
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A network model for biofilm development in Escherichia coli K-12
... Recently, there has been a dramatic upsurge of research on biofilms aimed at pre- venting or controlling their formation or eradicating them [10], since they are often deleterious and more complex to treat than ...
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