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Ruiz, Kevin A.; López, Marta; Suppan, Gottfried; Makowski, Kamil – Journal of Chemical Education, 2020
We present an experiment designed to hone the decision-making skills of (undergraduate) chemistry students by using aqueous crossed aldol reactions. Here, we present two simple crossed aldol reactions based on inexpensive and readily available materials: The condensation of vanillin and cinnamaldehyde with acetone. The procedure uses the variation…
Descriptors: Science Instruction, Science Experiments, Science Laboratories, Laboratory Experiments
Finberg, Ethan Abraham; Griffin, David Michael; Shiflett, Mark Brandon – Chemical Engineering Education, 2020
A Unit Operations Laboratory (UOL) is fundamental to undergraduate chemical engineering education. This article discusses a new course structure for the University of Kansas UOL and details for three new experiments covering the fundamentals of vapor-liquid equilibrium, fluid mechanics, and kinetics. Students apply knowledge from these courses as…
Descriptors: Chemical Engineering, Science Laboratories, College Science, Science Instruction
Ndihokubwayo, Kizito – Online Submission, 2017
This study aims at investigating the barriers encountered by science teachers in laboratory activities in Rwandan teacher training colleges (TTCs) using questionnaires and interviews. The results confirmed that teachers face barriers like time limitation, material scarcity and lack of improvising skills in their everyday science teaching life.…
Descriptors: Creative Activities, Barriers, Science Teachers, Laboratory Experiments
Grooms, Jonathon; Enderle, Patrick J.; Hutner, Todd; Murphy, Ashley; Sampson, Victor – NSTA Press, 2016
Are you interested in using argument-driven inquiry for middle school lab instruction but just are not sure how to do it? "Argument-Driven Inquiry in Physical Science" will provide you with both the information and instructional materials you need to start using this method right away. The book is a one-stop source of expertise, advice,…
Descriptors: Biological Sciences, Science Instruction, Persuasive Discourse, Inquiry
Brown, Lesley R. – Biochemistry and Molecular Biology Education, 2006
This laboratory exercise encourages upper level biochemistry students to build and expand upon previously developed laboratory skills and knowledge as they conduct a comparison of two methods of plasmid preparation based upon cost, quality of product, production time, and environmental impact. Besides creating an environment that mimics a more…
Descriptors: Teaching Methods, Biochemistry, Laboratory Experiments, Comparative Analysis