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Ramírez Díaz, Mario H.; Nieto Betance, Gabriela; García Trujillo, Luís Antonio; Chávez-Campos, David A. – European Journal of Physics Education, 2015
In its program of studies for preschool level, the Secretary of Public Education of Mexico promoted development of four standards of science: Scientific knowledge, applications of scientific knowledge and technology, skills associated to science, and attitudes associated to science. However, to develop this skills and reach out the standards there…
Descriptors: Foreign Countries, Physics, Science Instruction, Preschool Education
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Aguilar, Horacio Munguia – Physics Education, 2009
An electronic circuit for controlling "RLC" experiments is shown. This arrangement does not employ a function generator, which makes it more suitable when a wide range of "R," "L" and "C" values is required and a relatively high current is involved. This circuit can be used for driven and undriven DC…
Descriptors: Physics, Electronic Equipment, Science Experiments, Measurement Techniques