Traditional classrooms have shifted globally and undergone unimaginable changes.
In the flipped classroom, teachers serve as facilitators while students engage in their own learning. This brings me to the discussion of the constructivist approach to teaching and learning in K–12 classrooms using models.
Constructivism is defined as "a learning approach that holds that people actively construct or make their own knowledge and that reality is determined by the learner's experiences."
Constructivism holds that the learner's personal construction of meaning through experience is influenced by the interaction of prior knowledge and new events. The central idea of constructivism is that human learning is constructed and that learners build new knowledge on top of previous knowledge.
This prior knowledge influences the new or modified knowledge that an individual constructs as a result of the new learning experience.
The second idea is that learning is an active process rather than a passive one. The passive approach to teaching sees the learner as an "empty vessel" to be filled with knowledge, whereas constructivism asserts that learners construct meaning only through active engagement with the world (such as experiments or real-world problem-solving).
Understanding cannot be passively received because it requires making meaningful connections between prior knowledge, new knowledge, and the processes involved in learning.
The constructivist approach is heavily emphasized in international school teaching. This involves the development and application of models and simulations to aid in the explanation of natural phenomena.
Models allow us to go beyond the observable and simulate a world we have yet to see. Models enable predictions in the form of "if" and "then" statements, which lead to hypothesis formulation and experimentation.
Models and simulations are used in design and STEM programs to analyze existing systems to identify flaws that may occur or to test potential solutions to a new problem. Engineers create various models to test proposed systems and identify the strengths and limitations of their designs.
What does this mean for our 21st-century classrooms? As a science and design teacher, I have decided to make my teaching and learning environment one that is problem-focused and solution-focused, drawing heavily upon interdisciplinary subject areas, so that students can always empathize through modelling solutions to solve problems using science and engineering practice.
Students who understand how to empathize through the constructivist approach make better students, friends, employees, community members, and leaders. They will carry an understanding of the world's complexities and the experiences of others, which will deepen all of their relationships.
They improve their learning abilities, develop a better understanding of concepts, read others more accurately, and demonstrate better demonstration skills. When we help students develop their ability to empathize, we inspire them to change their perceptions of people who are different from them.
When developing models, it is critical to consider whether the models are feasible. If a model is not feasible, students can create conceptual models that include sketches, renderings, and arrow diagrams that focus on aesthetics, design, and STEM classrooms to explain natural phenomena through products, systems, and services.
If a model is doable, In order to develop a visual rhythm, conceptual awareness, and innovation, students can develop their ideas in a sequence that includes drawing on existing ideas with an emphasis on aesthetics, form, function, and useful purpose.
Students can use this to create modelling success criteria for a logical plan or sequence to transfer sketches to CAD-CAM, soft-resistant materials, hard-resistant materials, and assembly models for robotics and engineering.
The author is the Department Head of Design Technology of International School Dhaka.