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Uma abordagem interdisciplinar à porosidade dos solos em contexto de formação de professores
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Advisor(s)
Abstract(s)
O solo é um recurso natural complexo e não renovável, fundamental para a manutenção dos ecossistemas e para o fornecimento de alimento, energia e fibras para os seres humanos. Neste trabalho apresenta-se uma atividade de caráter experimental e investigativo designada "A porosidade dos solos", que possui a particularidade de proporcionar uma experiência de aprendizagem interdisciplinar entre a Matemática e as Ciências Naturais. Os participantes foram 28 estudantes de uma turma do 3.º ano da Licenciatura em Educação Básica da Escola Superior de Educação de Santarém (Portugal). Tiveram de dar resposta às seguintes questões: Qual é a porosidade de diferentes tipos de solos? Como representar quantitativamente a porosidade dos solos? Para tal, planificaram e implementaram investigações, com controlo de variáveis para recolher as evidências empíricas necessárias para avaliar a porosidade de três tipos de solos. A partir dos dados recolhidos empiricamente nas medições efetuadas, construíram e determinaram o índice de porosidade dos solos, enquanto medida da proporção de solo não ocupado por partículas sólidas. De seguida, analisaram os resultados e elaboraram conclusões e analisaram-nas criticamente para criarem explicações baseadas nas evidências recolhidas. O trabalho terminou com a comunicação dessas evidências e a justificação dos resultados e conclusões. Esta atividade interdisciplinar promoveu nos participantes a aprendizagem de conteúdo científico relacionado com os solos e de aspetos associados à planificação de atividades experimentais e investigativas, devido ao seu caráter prático e promotor das competências de raciocínio e resolução de problemas. Palavras-chave: ciências, investigação, interdisciplinaridade, matemática, porosidade, solos. Abstract Soil is a complex and non-renewable natural resource, essential for the equilibrium of the ecosystems and for the provision of food, energy and fibres to humans. This study presents an inquiry and experimental activity about soil porosity. This activity has the particularity of proportionate an interdisciplinary learning experience between mathematics and science. The participants were 28 students of an elementary teacher education degree. They had to answer these questions: What is the porosity of different soils? How to quantitatively represent soil porosity? With this focus, students planned and implemented an inquiry to collect evidences in order to evaluate the soil porosity of three soil samples, with variable control. Afterwards, formulate explanation from evidence. The inquiry was concluded with the exchange of those evidences and justification of the results and conclusions. This interdisciplinary activity promoted in the participants the learning of scientific content related to the soils and aspects associated to the planning of experimental and investigative activities, due to its practical nature and promoter of the skills of reasoning and problem solving.
Soil is a complex and non-renewable natural resource, essential for the equilibrium of the ecosystems and for the provision of food, energy and fibres to humans. This study presents an inquiry and experimental activity about soil porosity. This activity has the particularity of proportionate an interdisciplinary learning experience between mathematics and science. The participants were 28 students of an elementary teacher education degree. They had to answer these questions: What is the porosity of different soils? How to quantitatively represent soil porosity? With this focus, students planned and implemented an inquiry to collect evidences in order to evaluate the soil porosity of three soil samples, with variable control. Afterwards, formulate explanation from evidence. The inquiry was concluded with the exchange of those evidences and justification of the results and conclusions. This interdisciplinary activity promoted in the participants the learning of scientific content related to the soils and aspects associated to the planning of experimental and investigative activities, due to its practical nature and promoter of the skills of reasoning and problem solving.
Soil is a complex and non-renewable natural resource, essential for the equilibrium of the ecosystems and for the provision of food, energy and fibres to humans. This study presents an inquiry and experimental activity about soil porosity. This activity has the particularity of proportionate an interdisciplinary learning experience between mathematics and science. The participants were 28 students of an elementary teacher education degree. They had to answer these questions: What is the porosity of different soils? How to quantitatively represent soil porosity? With this focus, students planned and implemented an inquiry to collect evidences in order to evaluate the soil porosity of three soil samples, with variable control. Afterwards, formulate explanation from evidence. The inquiry was concluded with the exchange of those evidences and justification of the results and conclusions. This interdisciplinary activity promoted in the participants the learning of scientific content related to the soils and aspects associated to the planning of experimental and investigative activities, due to its practical nature and promoter of the skills of reasoning and problem solving.
Description
Keywords
ciências matemática porosidade solos investigação interdisciplinaridade science inquiry interdisciplinarity mathematics soil soil porosity
Citation
Cavadas, B., Mestrinho, N., Cunha, J., Sousa, M. C., & Laranginha, R. (2020). Uma abordagem interdisciplinar à porosidade dos solos em contexto de formação de professores. Experiências em Ensino de Ciências, 15(1), 194-206.
Publisher
Universidade Federal de Mato Grosso do Sul, Department of Chemistry, Center for Science and Technology