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Rode, Henning; Friege, Gunnar – Physics Education, 2017
In this paper a sequence of nine, easy to manufacture optical black-box experiments with increasing levels of difficulty, and supportive frameworks for physics classes are introduced. They have been evaluated in a lower-secondary school at the end of optics lessons. A black-box is a kind of experimental task where the inner structure is not…
Descriptors: Physics, Science Instruction, Science Experiments, Difficulty Level
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Ganci, S. – Physics Education, 2008
This short article describes some useful and quick applications of a cooking electronic balance. Newton's third law, Archimedes buoyancy and an estimate of relative density are accomplished in a very simple way. (Contains 1 figure.)
Descriptors: Physics, Science Instruction, Science Experiments, Scientific Concepts
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Lovell, M.S. – Physics Education, 2007
This paper presents a derivation of all five Lagrange points by methods accessible to sixth-form students, and provides a further opportunity to match Newtonian gravity with centripetal force. The predictive powers of good scientific theories are also discussed with regard to the philosophy of science. Methods for calculating the positions of the…
Descriptors: Motion, Physics, Scientific Concepts, Science Instruction