The preschool level is often the first formal opportunity for children to experience science. There are many examples of appropriate experiments and scientific experiences aimed at young children, both in Mexico and around the world. Even the formal public preschool program in Mexico includes sections called Academic Training Topics, one of which…

Though the field of physics is moving toward more realistic problems and the use of computers and mathematical modeling to promote insightful treatment of physical problems, artificial problems still appear in textbooks in the field of electrostatics. Discusses physical arguments why one of the most popular textbook applications of Coulomb's Law…