Teaching Science Through Models

A repertoire of strategies of teachers in the delivery of daily lessons matters most. Teachers sometimes miss to consider learners’ way of learning and are trapped on conventional ways of teaching such as solely letting pupils imagine everything. In dealing about strategies in teaching, the philosophy of the teacher, which one believes to be effective, serves as a framework of doing one’s part inside the classroom. The efforts in teaching can be observed from the performance of pupils and the way they use their learning in day-to-day activities.

Science is one of the academic disciplines in school. A factual subject that includes terminologies and activities that require deeper understanding for retention. It is very impossible for teachers to teach science concepts using the chalk and talk teaching. Many available teaching strategies would involve not just pupils’ sense of hearing but also their sense of sight, taste, smell and touch. Using of available technology may also do. However, in the levels of cognitive development presented by Bloom, which was revised by Krathwhol (2001), filling the mind of the pupils by knowledge is not enough. One should lead them to evaluate and create a model based on what is in the mind.

Using models is one effective method of teaching science where the teacher uses models for the good of classroom discussions or a model is later be developed by the learners after the introduction of a certain concept. Modeling method of instruction fixes many weaknesses of the traditional lecture-demonstration method, including the division of knowledge, pupil passiveness, and the resolution of untested beliefs about information of the world. Examples of these science models are circulatory system model, nervous system model, respiratory system model, oxygen-carbon dioxide cycle terrarium and a lot more. Common materials found in the locality can be used to create models.

You may take the following suggestions in creating models for your science lessons: creating models is not feasible in all science lessons and concepts, consider the availability of materials to be used, localize and use recyclable materials, models should clearly represent the concepts, create a plan, test the model and ensure that proper guidelines are made in the manipulation and utilization of the said material.  As observed in general, learning models are of great help in teaching.

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