This practice presents an innovative, cross-curricular learning model that integrates STEM, sustainability, and digital competences through a real-life problem: soil salinity and water scarcity. Implemented in a vocational upper secondary education context, learners actively design, build, and test a solar-powered smart greenhouse prototype that uses sensors, data analysis, and sustainable water management solutions.
The learning process combines hands-on experimentation, digital monitoring, and collaborative problem-solving, enabling learners to apply scientific knowledge, technological skills, and environmental awareness in an authentic context. Students collect and analyse real-time data (soil moisture, salinity, temperature, water quality) and use digital tools to interpret results and improve system efficiency.
As a result, the practice generates reusable learning resources, including a functional prototype, digital monitoring tools, and an implementation framework that can be adapted to other educational settings. The model supports learner engagement, critical thinking, responsibility, and learning-to-learn competences, while promoting sustainable and future-ready education.
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