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Direct linkPeterson, Karen I. – Journal of Chemical Education, 2008
The experiment developed in this article addresses the concept of equipment calibration for reducing systematic error. It also suggests simple student-prepared sucrose solutions for which accurate densities are known, but not readily available to students. Densities are measured with simple glassware that has been calibrated using the density of…
Descriptors: Chemistry, Science Instruction, Measurement, Scientific Concepts
Peterson, I. – Science News, 1989
Describes the theory and application of an atomic fountain which pushes the atoms by laser pulses. Discusses the applications in measuring atomic properties and in building an atomic clock. (YP)
Descriptors: Atomic Structure, Higher Education, Lasers, Measurement
Chidume, Kwashira – 1983
The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This ZIM-SCI study guide presents activities…
Descriptors: Electric Batteries, Electric Circuits, Electricity, General Science
Stocklmayer, Sue – 1981
The Zimbabwe Secondary School Science Project (ZIM-SCI) developed student study guides, corresponding teaching guides, and science kits for a low-cost science course which could be taught during the first 2 years of secondary school without the aid of qualified teachers and conventional laboratories. This ZIM-SCI study guide introduces students to…
Descriptors: General Science, Matter, Measurement Equipment, Measurement Techniques
