Dear Publishers, editors, keynotespeakers, and all presenters: We are delighted to introduce the proceedings of the fifth edition of the International conference on Science, Education, and Technology (ISET 2019).

The 5th International Conference on Science, Education and Technology (ISET 2019) was held in Semarang, Central Java, Indonesia on June 29th, 2019. ISET 2019 is aimed at providing an international platform for the acceleration of scientific, technological innovation and the utilization of technology in assisting pedagogical process. Therefore, researchers, stakeholders, practitioners, and lecturers from various fields in science, education, and technology are welcomed to present their findings from their latest scientific research. The ISET 2020 was organized by Graduate School of Universitas Negeri Semarang. The conference consisted of plenary sessions and parallel sessions which covers the following topics: Biology, Chemistry and Material Science, Environment, Human Ecology, Green Technology Engineering, Mathematics, Applied Mathematics, Statistics, Computer Science, Natural Science, Physics Education, Physics, Instrumentation and Energy, Technology Assisted Pedagogy. The plenary sessions were held in two sessions in which four keynote speakers from four countries presented their valuable knowledge and insights. We would like to highly appreciate the Graduate School of Universitas Negeri Semarang for the financial support in organizing this conference.

There are 266 presenters with the total 917 participants in the 5th International Conference on Science, Education and Technology.

Our most sincere gratitude also goes to the Editors and Reviewers for their help and suggestion in compiling the papers. We would also like to express our appreciation to all presenters and participants for their contribution in this valuable event.

Farid Ahmadi, S.Kom., M.Kom, Ph.D, Universitas Negeri Semarang, Indonesia.
Thank you