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Introducing Students to Surface Modification and Phase Transfer of Nanoparticles with a Laboratory Experiment
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Alkilany, Alaaldin M.; Mansour, Sara; Amro, Hamza M.; Pelaz, Beatriz; Soliman, Mahmoud G.; Hinman, Joshua G.; Dennison, Jordan M.; Parak, Wolfgang J.; Murphy, Catherine J. – Journal of Chemical Education, 2017
A simple, reliable, and cost-effective experiment is presented in which students synthesized citrate-capped gold nanoparticles (GNPs), functionalized them with poly(ethylene glycol) (PEG), and transferred the PEG-GNPs from water to the organic phase dichloromethane. The experiment introduces students to nanotechnology with foci on important…
Descriptors: Chemistry, Science Instruction, Science Experiments, College Science
Comparative Perspectives on Inquiry-Based Science Education
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Bevins, Stuart, Ed.; Lehane, Louise, Ed.; Booth, Josephine, Ed. – IGI Global, 2019
The core practice of professional scientists is inquiry, often referred to as research. If educators are to prepare students for a role in the professional scientific and technological community, exposing them to inquiry-based learning is essential. Despite this, inquiry-based teaching and learning (IBTL) remains relatively rare, possibly due to…
Descriptors: Inquiry, Science Education, Foreign Countries, Cultural Differences
Jordanian and Malaysian Science Teachers' Prominent Perceived Professional Needs: A Comparison.
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Bakar, Kamariah Hj. Abu; And Others – Journal of Research in Science Teaching, 1988
Compares the professional need of science teachers across subject areas and countries by using the Science Teacher Inventory of Need. Reports the results and compares them with United States' research data. (YP)
Descriptors: Comparative Analysis, Foreign Countries, International Studies, Needs Assessment