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Direct linkSet, Seng; Ford, David; Kita, Masakazu – Journal of Chemical Education, 2015
This research revealed that metal ions with different charges could significantly affect the viscosity of aqueous sodium carboxylmethylcellulose (CMC) solution. On the basis of an Ostwald viscometer, an improvised apparatus using a dropping ball for examining the viscosity of liquids/solutions has been developed. The results indicate that the…
Descriptors: Science Instruction, Molecular Structure, Metallurgy, Chemistry
Farrell, Ivan; Hamed, Kastro M. – Science Activities: Classroom Projects and Curriculum Ideas, 2016
This article describes the use of project-based instruction in activities and labs intended to develop higher-order thinking skills with high school students and pre-service teachers through the use of soap making.
Descriptors: Active Learning, Student Projects, Teaching Methods, Preservice Teacher Education
Scharfenberg, Franz-Josef; Bogner, Franz X. – EURASIA Journal of Mathematics, Science & Technology Education, 2014
Nowadays, outreach labs are important informal learning environments in science education. After summarizing research to goals outreach labs focus on, we describe our evidence-based gene technology lab as a model of a research-driven outreach program. Evaluation-based optimizations of hands-on teaching based on cognitive load theory (additional…
Descriptors: Science Education, Outreach Programs, Science Laboratories, Genetics
