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presented as science was problematic issue. The scientists in the history needed to argue with others for using word ‘Photosynthesis’. The students would then discuss and play game to identify those three aspects. Also, the three aspects would be discussed along teaching based on the unit. The scientists’ stories of discovering evidences about the light and dark phases were questioned, analyzed and discussed. The discussion focused on how the scientists had cooperatively worked to each other including scientists’ social expirations, evaluations and constraints. Practically, ‘science demands evidence’ and ‘science is a complex social activity’ were focused on using the experimentation, problem solving and science project. Perhaps, the experiment in plant leaves enabled students to understand how scientists practiced inquiry about pigments in chloroplast, and the problem solving in studying the photosynthetic factors enabled the students themselves to demonstrate an evidence of photosynthesis. Also, the students’ cooperation on a science project would tell them on how the scientists had cooperatively worked to develop the knowledge in society. Not only integrating the nature of science but also integrating environmental education in photosynthesis was an additional way of developing student learning about photosynthesis. 3.4) Enabling Students to Relate Photosynthesis Knowledge to Conserve the Environment A major problem found in the prior study of 2002 (Kijkuakul, 2002; Kijkuakul and Yutakom, 2004) was that traditional teaching had never given students enough opportunity to discuss their ideas about the relationship between photosynthesis and environment. Carlsson (2002) and Ekborg (2003) indicated that the traditional teaching might prevent development of students’ understanding about photosynthesis, and students’ awareness of using science in classroom for their live. 98
Therefore, this study focused on using science project to enable the students relating photosynthesis knowledge to conserve the environment. The science project integrating the nature of science in Principle III was also used. The project could be collection and experiment, survey and report, poster/display, model and demonstration or research project. It would be called “A campaign for photosynthesis and environment” that would come up with basic information for developing the students’ environment e.g. water, air and plants of school, house or community. The students were anticipated to use the accepted scientific ideas about photosynthesis to solve their environmental problems such as waste water in the community. Because the students lived in the community, this study also recognized socio-cultural influences in their learning about photosynthesis. Next principle suggested how to teach the students based on the influences. 3.5) Having Regard to Culture and Society as Socio-Cultural Perspectives on Teaching and Learning This study held that the students learn by individual and social transformations. The students assuming role of student have been born and have lives outside the classroom, so they also assume roles of social, family, community and political aspects (Packer and Goicoechea, 2000). Learning was perceived as functioning of a good citizen in the classroom and the society (Cobb, 1994). The learning could be occurred everywhere every time in the classroom and the society. Teaching needed to regard the society and culture influencing the students’ learning in the classroom. Because of Thai living style (Srivichit, 2004), young students are seriously taught to respect their teacher, who had higher authority in the classroom. Arguing the teacher’s ideas or comments in classroom discussion might worry them about showing what they really think about photosynthesis. Therefore, teaching has to emphasize developing good relationship between teacher and student, and student and student in classroom. The teachers would not refuse to the students’ argument. 99
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THESIS CASE STUDIES OF TEACHING AND
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TABLE OF CONTENTS Page LIST OF TABL
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TABLE OF CONTENTS (CONTINUED) iii P
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TABLE OF CONTENTS (CONTINUED) v Pag
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LIST OF TABLES Table Page 2.1 Struc
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LIST OF TABLES (CONTINUED) Table Pa
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CHAPTER I INTRODUCTION This chapter
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led to improvement in the promotion
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water worked as food transported wi
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suggested peer collaboration for hi
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chloroplasts and pigments, the ligh
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would like to develop a new teachin
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concepts, such as absorption of lig
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conceptions, the scope of biology e
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3, and 8. In Grades 11-12, the scie
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Table 2.3 Basic Science Content Sta
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Table 2.3 (Cont’d) Contents Conte
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light energy and chlorophyll 2 H O
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2. Photosynthesis Itself Plants, al
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of chlorophyll. The students believ
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Up to this point, those previous st
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partly because of the biology educa
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(Matthews, 1997: 6). Philosophicall
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understanding capability of environ
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4. Social Constructivism The Russia
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5. Constructivist-Based Teaching ab
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peers, while the control group work
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generation to the next” (Cobb and
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2.1) Thai Living Styles Thailand is
Page 61 and 62: focuses prepare them to take the Na
Page 63 and 64: culture. First, Thai existing views
Page 65 and 66: Third, the nature of science is the
Page 67 and 68: democratic view, that the understan
Page 69 and 70: 4. Summary: Integrating the Nature
Page 71 and 72: elationship between one concept and
Page 73 and 74: Brown (2003) used a combination of
Page 75 and 76: Focusing on thinking and encouragin
Page 77 and 78: Which aspect of the nature of scien
Page 79 and 80: teaching photosynthesis needs impro
Page 81 and 82: − encouraging students to partici
Page 83 and 84: The attempt to understand and inter
Page 85 and 86: Figure 3.1 Research Design of the T
Page 87 and 88: was considered to differentiate the
Page 89 and 90: 2.1) Teacher Preparation for Implem
Page 91 and 92: 3. Evaluating Impacts of Photosynth
Page 93 and 94: Figure 3.2 Survey Developmental Pro
Page 95 and 96: 1.2) Advanced Photosynthesis Survey
Page 97 and 98: 1. accessibility - is enabling the
Page 99 and 100: implementation of the teaching inte
Page 101 and 102: Table 3.4 Data Collection Program S
Page 103 and 104: students. The learning culture in t
Page 105 and 106: 1. Surveys: Content Analysis Conten
Page 107 and 108: They were confirmed by the teachers
Page 109 and 110: CHAPTER IV THE PHOTOSYNTHESIS TEACH
Page 111: structures and functions of chlorop
Page 115 and 116: from constructivism to socio0cultur
Page 117 and 118: Sub-stand 1: Living Things and Livi
Page 119 and 120: stroma. 5.3) Lists of Concept Propo
Page 121 and 122: c) Light independent (dark) phase
Page 123 and 124: Figure 4.1 Photosynthesis Concept M
Page 125 and 126: Lesson 1 ‘Plant food’, aimed to
Page 127 and 128: Lesson 5 ‘Light independent (dark
Page 129 and 130: Table 4.1 Photosynthesis Lesson Pla
Page 131 and 132: Table 4.1 Cont’d Lesson 3. Struct
Page 133 and 134: Table 4.1 Cont’d Lesson 5. Light
Page 135 and 136: Table 4.1 Cont’d Lesson 6. Studen
Page 137 and 138: After the researcher finished devel
Page 139 and 140: per a week, namely two 60-min perio
Page 141 and 142: always asked what she really did no
Page 143 and 144: schooling studying, she studied Phy
Page 145 and 146: B = blackboard C = instrument cupbo
Page 147 and 148: Forty nine percentages had partial
Page 149 and 150: for photosynthesis. Only seven perc
Page 151 and 152: Table 5.3 Correcting the Introducto
Page 153 and 154: Mrs. Engka: Right (confirmed). You
Page 155 and 156: structures might be a metaphor of u
Page 157 and 158: Table 5.4 Advanced Photosynthesis C
Page 159 and 160: In her planning for the nature of s
Page 161 and 162: participating in role play discussi
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5.4) Principle IV: Enabling Student
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inside and outside teaching period.
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Activities 5.6) Principle VI: Encou
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6. Summary of the Border School In
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2. Background Information about Mr.
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Table 5.7 Mr. Vyn’s Students Sele
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Mr. Vyn had his own style of teachi
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5. Mr. Vyn’s Implementation of th
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Mr. Vyn: …No. 4…mineral is plan
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The misconception that CO2, mineral
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Although the students incompletely
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model of chloroplast structure base
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undle-sheath cells. Both cells cont
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Table 5.9 Advanced Photosynthesis C
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However, there was no discussion ab
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change in term of application of ol
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5.4) Principle IV: Enabling Student
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discussion. “The teacher always d
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photosynthesis e.g. dark phase. Als
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2. Background Information about Mrs
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Table 5.12 Mrs. Amp’s Students Se
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laboratory activities and concept m
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misconceptions about plant food, pa
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The misconceptions about plant and
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Table 5.13 Correcting the Introduct
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percentages misunderstood that the
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Table 5.14 Advanced Photosynthesis
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One conception about science demand
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Table 5.15 The Nature of Science of
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Not only relating photosynthesis kn
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the book and summarized the concept
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Cross Case Studies: Implementation
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In case of the teachers e.g. Mrs. A
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students’ own views about plants
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CHAPTER VI SUMMARY, DISCUSSION AND
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5. The students’ understanding of
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learning participation rarely appea
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the students to understand the rela
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the science project for environment
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ecause old knowledge was reinterpre
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Table 6.2 Learning Activities Sugge
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understandings about the light inde
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Therefore, this research suggested
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Amir, R. and P. Tamir. 1995. Propos
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Bell, B. 1998. Teacher development
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Campbell, N. and J. Reece. 2002. Bi
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Duit, R. and D. Treagust. 2003. Lea
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Govindjee, J., T. Beatty, and H. Ge
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Institute for the Promotion of Teac
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Lin, H. and C. Chen. 2002. Promotin
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Merriam, S. 1988. Case Study Resear
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Patton, M. 1990. Qualitative Evalua
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Smith, M. and L. Scharmann. 1999. D
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Von Glasersfeld, E. 1995. Radical C
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APPENDIX A: INTRODUCTORY PHOTOSYNTH
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1. Tick any of these items which ca
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6.5) Plants need carbohydrate for t
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APPENDIX B: ADVANCED PHOTOSYNTHESIS
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5. Tick any item (s) which you thin
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12. Here is a statement about plant
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