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Direct linkHughes, Bill – Technology and Engineering Teacher, 2013
A low-cost and portable colorimeter kit has been designed and developed as an educational tool at Penn State University by Dr. Daniel Sykes for K-12 schools' integrated STEM learning. This scientific instrument allows students to learn how scientists utilize light as a means to study the chemical and physical properties of materials with an…
Descriptors: Chemistry, Algebra, Technology Education, Electronics
Lombardi, S.; Monroy, G.; Testa, I.; Sassi, E. – Physics Education, 2010
A new procedure for performing quantitative measurements in teaching optics is presented. Application of the procedure to accurately measure the rate of change of the variable refractive index of a water-denatured alcohol mixture is described. The procedure can also be usefully exploited for measuring the constant refractive index of distilled…
Descriptors: Optics, Chemistry, Educational Technology, Science Instruction
