Using Principles of Subtractive Colors to Teach Color of Pigments: A 5E Learning Cycle Lesson for Pre-service Elementary Teachers

By Ampaporn Munmai, Pintip Ruenwongsa, Bhinyo Panijpan, Natalie Barman, Paula A. Magee and Ekasith Somsook.

Published by The Learner Collection

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

A 5E lesson plan was designed for pre-service elementary teachers to understand the nature of pigment colors by observing visible absorption spectra obtaining from a spectrophotometer. Twenty-four pre-service elementary teachers participated in this 5E learning cycle lesson. There were 4 concepts in the lesson plan: color vision, primary colors, spectrophotometry (wavelength and absorbed light) and visual colors. This lesson involved 3 main hands-on activities, i.e., mixing color inks on color plates, color mixing using a computer program and the determination of the wavelength at the maximum absorption of ink pigments. Instruments for data collection were pre-test, post-test, student projects, student reflection, student perception and classroom observation. After the lesson, students had better understanding of the nature of pigment color as supported by the post-test that gains over the pre-test. They were able to design their own experiments and achieved the understanding of light absorption and reflection, concepts that are of basic importance for further in-depth study. Also, the pre-service teachers’ perceptions toward this lesson were positive. Moreover, it was stated that the hands-on experiment was crucial for learning and helped them to understand better. However, more time and guidance were needed to learn more about this topic.

Keywords: 5E Learning Cycle, Inquiry, Pigment Color, Pre-service Teacher, Spectrophotometer

The International Journal of Learning, Volume 18, Issue 1, pp.203-218. Article: Print (Spiral Bound). Article: Electronic (PDF File; 831.285KB).

Ampaporn Munmai

PhD Candidate, Institute for Innovative Learning, Department of Chemistry, Faculty of Science, Mahidol University, Bangkok, Thailand

I have been received the scholarship from The Institute for The Promotion of Teaching Science and Technology (IPST), Thailand. I am studying Ph.D. program in science and technology education (chemistry) at Mahidol University. My work focused on the development of experiments for improve the chemical concept, achievement and attitude such as the experiment of nanocatalysis of gold and silver nanoparticles which is applied for monitoring yeast activities for demonstration or individual laboratory for learning chemistry contents with graduate students. In addition, there are many experiments of chemistry experiment such as the study of nanocatalyst in Homocoupling reaction, the study of pKa of red cabbage using spectrohotometer and Excel Solver. All of them will be designed to teach in general and inorganic chemistry laboratory class.

Pintip Ruenwongsa

Deputy Director, Institute for Innovation and Development of Learnign Process, Mahidol University, Bangkok, Thailand

Bhinyo Panijpan

Deputy, Institute for Innovation and Development of Learnign Process, Mahidol University, Bangkok, Thailand

Dr. Natalie Barman

Clinical Lecturer, Science Education, School of Education, Indiana University Purdue University Indianapolis (IUPUI), Indianapolis, Indiana, USA

Natalie teached in science education program. The courses she teached focus on science, technology and research methods. Her research interested in using inquiry-based teaching methods to help students create their ideas about science, technology, society and education.

Dr. Paula A. Magee

Clinical Assistant Professor, School of Education, Indiana University Purdue University Indianapolis (IUPUI), Indianapolis, Indiana, USA

Currently Dr. Paula teach in both the elementary teacher education program and the graduate program. The courses she teach focus on science, technology and research methods. Her own research interests include understanding how people learn and also how issues of race, equity and power impact that learning and those learning experiences in school settings. She particularly interested in using inquiry-based teaching methods to help students interrogate their ideas about science, technology, society and education.

Asst. Prof. Dr. Ekasith Somsook

Assistant Professor of Chemistry, NANOCAST Laboratory and Center for Alternative Energy Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahidol University, Bangkok, Thailand

Ekasith Somsook is assistant professor of chemistry at Department of Chemistry, Faculty of Science, Mahidol University, Thailand. He holds a PhD in chemistry from University of Wisconsin-Madison, USA. He is now head of NANOCAST laboratory. His ongoing research projects include the synthesis of new ligands for nanotechnology and catalysis, the determination of NMR-based solution structure of biomolecules, the utilization of biomass for sufficiency economy, and the development of new learning process for science students.

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