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Development of a Predict-observe-explain Strategy for Teaching Flow Injection at Undergraduate Chemistry

By Saowapak Teerasong, Wanrawee Chantore, Pintip Ruenwongsa and Duangjai Nacapricha.

Published by The Learning Collection

Format	Price
Article: Print	$US10.00
Article: Electronic	$US5.00

Although traditional lecture is often regarded as a passive way of learning, most of the teachings in university including science subjects are indeed carried out by this method. Teaching of flow injection and flow phenomena to undergraduate students in chemistry can be boring if traditional lecture is the only method the teacher uses. In this work, a demonstration together with ‘predict-observe-explain’ (POE) teaching approach was developed. The demonstration equipment set, assembled using transparent materials for clear observation of the flow phenomena, together with POE teaching strategy was introduced to the students. The POE approach offers real-time probing of student understanding. Students were first asked to predict, observe the demonstration, and finally to discuss the results with peers. This strategy provided an opportunity for students to generate their own conceptual knowledge via reconciliation and negotiation between their prior knowledge and new experience. The results revealed that the new phenomena. The questionnaire results showed that the students had positive attitude toward the new teaching strategy. The developed activity was well-fitted in a time period of classroom lecture.

Keywords:	Demonstration, Flow Injection, Predict-observe-explain, Undergraduate Students

The International Journal of Learning, Volume 17, Issue 8, pp.137-150. Article: Print (Spiral Bound). Article: Electronic (PDF File; 1.136MB).

Saowapak Teerasong

PhD Student, Institute for Innovative Learning, Mahidol University, Nakhon Pathom, Thailand

Wanrawee Chantore

Researcher, National Center for Genetic Engineering and Biotechnology, Thailand Science Park, Pathumthani, Thailand

Pintip Ruenwongsa

Assoc. Prof., Institute for Innovative Learning, Mahidol University, Nakhon Pathom, Thailand

Prof. Duangjai Nacapricha

Asst. Prof., Department of Chemistry,, Faculty of Science, Mahidol University, Bangkok, Thailand

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