O ensino de conceitos ecológicos no nível médio na educação de jovens e adultos

Abstract

The YAE (Youth and Adult Education) is characterized by heterogeneous public and has a frequency spotty record at school. The teaching of science and biology is taught in all its stages (primary and secondary) and aims both compliance with curriculum guidelines as the scientific literacy of their audience. This study aimed to investigate as a teaching sequence, using the General Systems Theory (GST), based on a historical and cultural perspective of human development, can enable the students of YAE - second high school phase, ownership and evolution of concepts ecological concerning the ecosystem, biotic, abiotic, photosynthesis, energy flow, material cycle and trophic relationships. The study was conducted in a social character of school, where students are trade workers during the day and students at night. The information for the construction of the data were obtained by recording, audio and video, in lessons which the instruction sequence was given. Data were constructed and analyzed based on theoretical and methodological reference of historical and cultural perspective of human development, based on the thought of Lev Vygotsky. The results showed that the teaching sequence based on the GST can encourage students the conceptual evolution, since it gives applicability to the operational concept of ecosystem.