Chang, C. Y. (2025, March). A new decode model for teacher professional development. Visiting  Lecture: Invitation as Visiting Lecturer for the Guest Lecture at UMM, Indonesia. (March 10, 2025) 

Chang, C. Y. (2025, February). Reimagining Education in the Age of AI: Innovations, Impacts, and implications. Invited Speech: The 6th International Conference on Education for All, Indonesia. (February 14, 2025)

Chang, C. Y. (2025, January). The Future of Scientific Inquiry: Cutting-Edge Assessments Merging Al and Genomics. Keynote Speech: The Future of Scientific Inquiry: Cutting-Edge Assessments Merging Al and Genomics, Macau, P.R. China. (January 7, 2025)

005

Chang, C. Y. (2024, December). Science Education in the 4.0 Era. Keynote Speech: Science Education in the 4.0 Era, Vietnam. (December 19-20, 2024)

006

007

008

009

010

011

012

013

014

015

016

017

018

019

020

021

022

023

024

025

026

027

Chang, C. Y. (2023, March). Online Science Inquiry Learning and Assessment: The Good, The Bad, The Ugly, and The Future. Virtual Invited Speech: 次世代型オープンエデュケーション推進部門の取り組み, Kyushu University, Japan. (March 31, 2023)

028

2023 SERC International Symposium (Teaching Strategies and Science Teacher Education in a New Era), Seoul, Korea.(March 23, 2023)

029

030

031

Chang, C. Y. (2021, May). Developing Science Teacher’s TPACK through the DECODE model. Virtual Invited Seminar: Blended Learning for University Enhancement II Project Seminar, The Education University of Hong Kong, China. (May 25, 2021)

068

Chang, C. Y. (2013, March). Developing Pre-service Science Teachers’ Ability in Integrating ICT and Teaching. Invited Seminar: The Department of Curriculum and Instruction at The University of Texas at Austin, USA. (March 15-22, 2013).

Chang, C. Y. (2013, January). Developing Pre-service Science Teachers’ Ability: Integrating ICT and Teaching. Opening Keynote: epiSTEME-5 conference,   Mumbai, India. ( January 7-11, 2013)

Chang, C. Y.  (2012, December). MAGDAIRE: A Model to Foster Pre-service Teachers’ Ability in Integrating ICT and Teaching in Science. Invited Speech: The 14th Hokkaido University – Seoul National University Joint Symposium, Sapporo, Japan. (December 18-19, 2012)

Chang, C. Y. (2012, December). Innovating School Science Content through the SLiM approach. Invited Speech: Asia Science Educator Academy 2012: Scientific and Technological Literacy (STL) - focus on Transformative Curricula and Content, Seoul, Korea. (December 5-7, 2012)

Chang, C. Y. (2012, December). Do we need FaT or SLiM to transform learning and teaching in the 21st century? Invited Keynote Speech: The 24^rd Biennial Conference of the Asian Association for Biology Education (AABE) Biology Teachers Organization of the Philippines, Philippines. (December 5-9, 2012)

Chang, C. Y. (2012, April). MAGDAIRE: A Model to Foster Pre-service Teachers’ Ability in Integrating ICT and Teaching in Science. Invited Speech: Shaanxi Normal University, Shaanxi, China.(April 26-27, 2012)

Chang, C. Y. (2011, November). High-Scope Curriculum Program in Taiwan: Beyond High-Scope inquiry-Tailoring learning environments to students' needs. Keynote Speech: NTNU-HU-SNU Joint Symposium on Science Education: Broadening Horizons Through Asian Dialogues, Taipei, Taiwan.(November 17-18, 2011)

Chang, C. Y. (2011, November). From FAT to SLiM? A Taiwanese perspective of future science and mathematics education. Invited Keynote Speech: Conference of Strengthening the capacity of Future Pillars of Science and Mathematics (S&M) Education, Pasay City, Philippines. (November 15-16, 2011)

Chang, C. Y. (2011, September). i4 future learning environment. Virtual Keynote Speech: West 6 Cluster School ICT Committee Educational Research Sharing Session, Singapore. (Virtual Online Presentation) (September 9, 2011)

Chang, C. Y. (2011, August). Discussing the current state and future prospect of Science Education in Taiwan: From my perspective as both a scholar and a father. Invited Keynote Speech: China Adolescents Science & Technology Innovation Contest - Science Education Forum, Hohhot, Inner Mongolia (August 4)

Chang, C. Y. (2011, April). Leveraging on Educational Pathways to Bridge Formal and Informal Science Learning: An OSR and NTNU-SEC Collaborative Initiative. Invited Speech: The 2011 International Conference on Informal Science Education (ICISE), Taipei, Taiwan. (April 29-30)

Chang, C. Y. (2011, March). Beyond High-Scope inquiry: Tailoring learning environments to students' needs. Invited Keynote Speech: High Scope Program Conference on Asia-Pacific Science Education, Taipei, Taiwan (March 28-29, 2011)

Chang, C. Y. (2010, November). Invited Speech: The 13th Hokkaido University – Seoul National University Joint Symposium, Sapporo, Japan (November 4-5, 2010)

Chang, C. Y. (2010, October). Invited Keynote Speech: The 23^rd Biennial Conference of the Asian Association for Biology Education (AABE) National Institute of Education, Singapore (October 19-21, 2010)

Chang, C. Y. (2010, February). Invited Seminar: The Center for Science and Mathematics Education at The University of Texas at Austin, USA

Chang, C. Y. (2010, January). Invited Keynote Speech: The 6th International Conference on Science, Mathematics, and Technology Education (ICSMTE), Hualien, Taiwan (January 19-22, 2010)

Chang, C. Y. (2009, November). Invited speech and workshop: The global leadership workshop for the gifted in science at Korea Foundation for the Advancement of Science and Creativity (KOFAC), Seoul, Korea (November 19-20, 2009)

Chang, C. Y. (2009, October). Invited Speech: The 10th International conference on Education Research (ICER) held in Hoam Convention Center at Seoul National University, Korea (October 29-30, 2009)

Chang, C. Y. (2009, February). Conducting interdisciplinary research. Invited Keynote Speech: 2009 TELDAP International Conference, Taiwan (February 25, 2009)

Chang, C. Y. (2008, November). The Good, the Bad, and the Ugly (or the Beauty) in conducting interdisciplinary research: A personal journey.  Invited Seminar: The Center for Science and Mathematics Education at The University of Texas at Austin, USA (November 5, 2008).

Chang, C. Y. (2008, April). The science education program and recent development on national e-Learning research in Taiwan.  Invited Seminar: The Division of Research on Learning in Formal and Informal settings, National Science Foundation, Arlington, USA (April 2, 2008).

Chang, C. Y. (2008, January). The science and technology educational model of Taiwan.  Invited Keynote Speech: The academic community of Universidad Metropolitana (UMET), Puerto Rico (January 23, 2008).

Chang, C. Y. (2007, September). The many faces of special education for the gifted in science: Taiwanese status quo.  Invited Speech: The 3^rd APEC Forum for the Gifted in Science, Changwon Exhibition Convention Centre (CECO), Gyeongnam, KOREA (September 10-12, 2007).

Chang, C. Y. (2006, June). Deep time research in Taiwan.  Invited Speech: Deep Time International Workshop (DTIW) held at University of Exeter, United Kingdom (June 20-22, 2006).

Chang, C. Y. (2006, June). Curriculum guidelines, instructional materials and evaluation tools associated with natural hazards education in Taiwan.  Invited Speech: The International Workshop on Education for Natural Disaster Preparedness and its Implementation Mechanism in the Context of ESD held at the National Institute for Educational Policy Research of Japan, Japan (June 12-16, 2006).

Chang, C. Y. (2004, November). Exploring secondary Earth science teachers’ perceptions toward goals of Earth science education and students’ Earth science literacy.  Invited Speech: The International Conference on Science Education, College of Education, Chungbuk National University, Chongju, Korea (November 30, 2004).

Chang, C. Y. (2004, November). Seeking a shared vision: Exploring secondary Earth science teachers’ perceptions of goals of Earth science education.  Invited Seminar Speech: College of Education, Seoul National University, Seoul, Korea (November 29, 2004).

Chang, C. Y. (2004, November). Trends in assessing student Earth science problem-solving ability: The importance of domain-specific knowledge and reasoning skills in Earth sciences.  Invited Speech: The Seoul Conference for International Earth Science Olympiad (IESO), Seoul, Korea (November 26-27, 2004).

Chang, C. Y. (2004, November). Taiwanese Earth science curriculum guidelines for the compulsory grades nine and ten.  Invited Speech: The Seoul Conference for International Earth Science Olympiad (IESO), Seoul, Korea (November 26-27, 2004).

Chang, C. Y. (2004, March). A roadmap from Earth systems to an integrated science curriculum.  Invited Keynote Speech: Special seminar “The practical research related with the educational system based on the international comparative study of earth systems education” held at the National Institute for Educational Policy Research of Japan, Japan (March 24-28, 2004).

Chang, C. Y. (2003, September). Taiwanese science curriculum reform and earth system education.  Invited Keynote Speech: The 2003 Joint Fall Meeting of The Korean Earth Science Society and Geomorphological Association of Korea, Dajeon, Korea (September 26-27, 2003).