Entre ímãs e fios

Synopsis: In this episode of Family Brazil the question 'When unexpected happens' refers to the Hans Christian Oersted's discovery when, in 1820, during a lesson, notes the needle of a compass move being close to a conductor traversed by electrical current . The situation leads to the reflection of essential aspects of the unification of the then separate sciences Electricity and Magnetism, founding Electromagnetism, consolidated the work of James Clerk Maxwell.
Source: Experiential Physics.
URL: http://objetoseducacionais2.mec.gov.br/handle/mec/15092