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Direct linkJunsheng Huang; Longfei Cai – Journal of Chemical Education, 2022
We introduced a microfluidic paper-based analytical device ([mu]PAD) to undergraduates majoring in nutrition education using a modified acid-base titration on paper microzones. After designing experiments for sample analysis using micro acid-base titration, students fabricated the devices and implement the experiment as designed. Then they…
Descriptors: Chemistry, Undergraduate Students, Nutrition Instruction, Majors (Students)
Earl, F. A. – Performance and Instruction, 1982
Examines backward chaining, a method of producing demonstration films in which sequential steps in a procedure are taught backwards; that is, the last step is taught first, then the next to the last step, and so on. A film designed to teach procedures used in a science experiment is used as an example. (JJD)
Descriptors: Demonstrations (Educational), Foreign Countries, Higher Education, Instructional Design
