In this paper we describe a classical experiment with an air track in which smartphones are used as experimental devices to obtain physical data. The proposed experiment allows users to easily observe and measure relationships between physical magnitudes, conservation of momentum in collisions and friction effects on movement by utilizing the users' own mobile devices.
O uso das tecnologias na educação exige uma adequada integração dos conhecimentos a fim de evitar frustrações e desperdícios de tempo. Logo, um plano de aplicação precisa delinear as reflexões não apenas didáticas, mas também tecnológicas e do conteúdo, uma proposta de gestão do conhecimento relacionada ao TPACK (Technological Pedagogical Content Knowledge). Assim, o objetivo desse artigo é apresentar o desenvolvimento de um plano de aplicação de jogos digitais que permita a observação ampla dos conhecimentos necessários para a realização das atividades pedagógicas a distância baseada no TPACK. Desse modo, o plano permite sistematizar a integração dos jogos em uma concepção pedagógica de extensão da sala de aula e ampliação dos conhecimentos expostos. Além disso, a análise em um estudo empírico com uma turma do ensino fundamental permitiu validar o plano. Apesar das limitações em relação as extensões dos jogos disponibilizados, a EaD se mostrou viável no complemento dos conteúdos.
This paper describes an open source hardware and software platform devised specifically to allow high school and undergraduate instructors to prepare new laboratory demonstrations and projects for kinematics and dynamics in an easy, affordable and extensible way. The platform consists of a computing portable station with static sensors and a microcontroller based mobile device small sensors embedded. The whole platform rely heavily on wireless technologies so the students could operate the platform with their own tablets or smartphones.To meet the open source requirements, all the components comply with open source restrictions and also the design documents and the source code are made publicly available to the education community. Therefore, there is not only an economical sensing alternative to current configurations of laboratories but an extensible system in which new requirements and sensors could be added covering new areas such as electronics, magnetism and thermodynamics. A user friendly web client permits the students to configure and perform measurements using an Internet connected smartphone or any portable computing device in a way that makes possible to the instructor to broaden the type and intensity of experiments.
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