Asia-Pacific Forum on Science Learning and Teaching, Volume 7, Issue 1, Article 4 (June, 2006) Muammer ÇALIK , Alipaşa AYAS and Richard K. COLL A constructivist-based model for the teaching of dissolution of gas in a liquid
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A Four-step Constructivist Teaching Model
There are a number of models of teaching based on constructivism reported in the literature. Here we utilize the four-step constructivist-teaching model, which builds on students’ pre-existing ideas. The four-step constructivist-teaching model is as follows: eliciting students’ pre-existing ideas, focusing, challenging and applying (fruitfulness) (Ayas, 1995). These strategies are now described in turn, using our example of the dissolution of a gas in a liquid. We begin by describing an activity, and follow this by explication of the four-step constructivist-teaching model.
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