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204 had been proved true many times. However, she understood that scientific knowledge was developed through scientists’ observation and experiment. S12, who believed that biology in classroom could not complete her expectation of taking the National Entrance Examination and then she needed to studied biology by herself, believed that new knowledge was unknown ideas which nobody had ever known. So, the ideas appeared to change by adding new knowledge on to the old knowledge. However, she understood that scientists used scientific method to prove the scientific ideas. Table 5.15 shows the students’ conceptions about nature of science in three aspects.
Table 5.15 The Nature of Science of Mrs. Amp’s Students Selected as Participants in the Case Study NOS Aspect Student Conceptions of the Nature of Science (NOS) (Questions) S09 S10 S11 S12 1. Scientific ideas are “…they used different “…with different methods they “Scientific knowledge didn’t “…may be their concepts had subjected to change. processes…so they could produce new theories.” change because they had been changed…they wanted to find out Q: Why had the scientific ideas been changed? concluded differently.” proved conclusively.” more knowledge, new knowledge. ” 2. Science demands evidence. Q: Why did the scientists need to do the experiments? 3. Science is a complex social activity. Q: How did the scientific knowledge come about? The summary of ideas about the nature of science. Q: How had the photosynthesis knowledge been developed? “…to prove how it happened. The expectation was to find answers to the questions.” “They carried out experiments to find out what they wanted to know…after which they would use to construct a theory...” “With scientists’ curiosity and thought …the knowledge was developed.” “…to construct a new theory…to provide support providing how things came about…” “…they used the knowledge …techniques…and practice to get the principle…” “It has been developed through experiment… argument and conclusion of scientists. After it was accepted by [people], new theories would be born.” “…they wanted to observe and then describe what they didn’t understand…” “First is observation, second is proposing a theory.” “The knowledge was developed by observation, note and experiment.” “…to prove their ideas, their hypotheses…” “…to uncover the hidden truth unknown by others to provide support…” 205 “Scientists cooperatively observed, collected, and experimented with others. Then, they proposed the conclusions of their ideas, knowledge.” 205
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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
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focuses prepare them to take the Na
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culture. First, Thai existing views
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Third, the nature of science is the
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democratic view, that the understan
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4. Summary: Integrating the Nature
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elationship between one concept and
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Brown (2003) used a combination of
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Focusing on thinking and encouragin
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Which aspect of the nature of scien
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teaching photosynthesis needs impro
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− encouraging students to partici
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The attempt to understand and inter
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Figure 3.1 Research Design of the T
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was considered to differentiate the
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2.1) Teacher Preparation for Implem
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3. Evaluating Impacts of Photosynth
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Figure 3.2 Survey Developmental Pro
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1.2) Advanced Photosynthesis Survey
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1. accessibility - is enabling the
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implementation of the teaching inte
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Table 3.4 Data Collection Program S
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students. The learning culture in t
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1. Surveys: Content Analysis Conten
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They were confirmed by the teachers
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CHAPTER IV THE PHOTOSYNTHESIS TEACH
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structures and functions of chlorop
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Therefore, this study focused on us
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from constructivism to socio0cultur
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Sub-stand 1: Living Things and Livi
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stroma. 5.3) Lists of Concept Propo
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c) Light independent (dark) phase
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Figure 4.1 Photosynthesis Concept M
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Lesson 1 ‘Plant food’, aimed to
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Lesson 5 ‘Light independent (dark
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Table 4.1 Photosynthesis Lesson Pla
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Table 4.1 Cont’d Lesson 3. Struct
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Table 4.1 Cont’d Lesson 5. Light
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Table 4.1 Cont’d Lesson 6. Studen
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After the researcher finished devel
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per a week, namely two 60-min perio
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always asked what she really did no
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schooling studying, she studied Phy
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B = blackboard C = instrument cupbo
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Forty nine percentages had partial
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for photosynthesis. Only seven perc
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Table 5.3 Correcting the Introducto
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Mrs. Engka: Right (confirmed). You
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structures might be a metaphor of u
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Table 5.4 Advanced Photosynthesis C
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In her planning for the nature of s
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participating in role play discussi
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5.4) Principle IV: Enabling Student
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inside and outside teaching period.
Page 167 and 168: Activities 5.6) Principle VI: Encou
Page 169 and 170: 6. Summary of the Border School In
Page 171 and 172: 2. Background Information about Mr.
Page 173 and 174: Table 5.7 Mr. Vyn’s Students Sele
Page 175 and 176: Mr. Vyn had his own style of teachi
Page 177 and 178: 5. Mr. Vyn’s Implementation of th
Page 179 and 180: Mr. Vyn: …No. 4…mineral is plan
Page 181 and 182: The misconception that CO2, mineral
Page 183 and 184: Although the students incompletely
Page 185 and 186: model of chloroplast structure base
Page 187 and 188: undle-sheath cells. Both cells cont
Page 189 and 190: Table 5.9 Advanced Photosynthesis C
Page 191 and 192: However, there was no discussion ab
Page 193 and 194: change in term of application of ol
Page 195 and 196: 5.4) Principle IV: Enabling Student
Page 197 and 198: discussion. “The teacher always d
Page 199 and 200: photosynthesis e.g. dark phase. Als
Page 201 and 202: 2. Background Information about Mrs
Page 203 and 204: Table 5.12 Mrs. Amp’s Students Se
Page 205 and 206: laboratory activities and concept m
Page 207 and 208: misconceptions about plant food, pa
Page 209 and 210: The misconceptions about plant and
Page 211 and 212: Table 5.13 Correcting the Introduct
Page 213 and 214: percentages misunderstood that the
Page 215 and 216: Table 5.14 Advanced Photosynthesis
Page 217: One conception about science demand
Page 221 and 222: Not only relating photosynthesis kn
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Page 225 and 226: Cross Case Studies: Implementation
Page 227 and 228: In case of the teachers e.g. Mrs. A
Page 229 and 230: students’ own views about plants
Page 231 and 232: CHAPTER VI SUMMARY, DISCUSSION AND
Page 233 and 234: 5. The students’ understanding of
Page 235 and 236: learning participation rarely appea
Page 237 and 238: the students to understand the rela
Page 239 and 240: the science project for environment
Page 241 and 242: ecause old knowledge was reinterpre
Page 243 and 244: Table 6.2 Learning Activities Sugge
Page 245 and 246: understandings about the light inde
Page 247 and 248: Therefore, this research suggested
Page 249 and 250: Amir, R. and P. Tamir. 1995. Propos
Page 251 and 252: Bell, B. 1998. Teacher development
Page 253 and 254: Campbell, N. and J. Reece. 2002. Bi
Page 255 and 256: Duit, R. and D. Treagust. 2003. Lea
Page 257 and 258: Govindjee, J., T. Beatty, and H. Ge
Page 259 and 260: Institute for the Promotion of Teac
Page 261 and 262: Lin, H. and C. Chen. 2002. Promotin
Page 263 and 264: Merriam, S. 1988. Case Study Resear
Page 265 and 266: Patton, M. 1990. Qualitative Evalua
Page 267 and 268: 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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