Based on Technological Pedagogical Content Knowledge(TPACK)framework and teachers' knowledge of integrating of information technology and chemistry curriculum, this paper constructed the experiential learning activities, and studied the teaching practice of primary battery including theme selection, software design, teaching implementation, teaching reflection and so on.

This paper selected "common substances" theme of junior high school science new courses both in China and Japan, compared contents of "properties of substances", "properties and preparation of gases", "solution""state change" and "acid, alkali, salt". This study found the similarities and differences between the two countries in these aspects, and gained enlightenment from it.

Letting the creative ideas from science fiction into chemistry classroom, can activate classroom atmosphere and students' learning interests; help students understand chemical principles and laws, internalize scientific methods and thoughts; improve teaching effectiveness.

With chemical events in news as teaching materials, this paper studied strategies for teaching of organic polymer synthesis, such as making students feel and analyze polymer material in production and life, grasp the related basic concepts of polymerization reaction and its expression, and recognize the positive significance of chemistry to social development.

This paper applied scientific argumentation in experimental inquiry on deliquescence phenomenon of sodium hydroxide based on the different interpretations of students. This argumentation process included collecting experimental evidences, reasoning and drawing conclusions with evaluation and modification.

In specific inquiry experiment teaching, we should optimize the inquiry questions by discussion, setting contexts and reflection to promote students' independent inquiry which can enhance students' ability of thinking, judgment, analysis and practical operation.

This paper applied particle concept in teaching of acid, alkali and salt. Using particle concept helped students to break learning difficulties, construct concepts, understand the nature of reaction, grasp and use the common properties of substances properly.

This paper applied particle concept to guide teaching of the conditions of double decomposition reaction, constructed the level diagram of related knowledge, analyzed the cognitive process of students. According to teaching practice, this study induced several teaching strategies to break the learning difficulties of students, improve students' ability of transfer and application of knowledge, and get ready for the study of ion reaction in senior high school.

Using content analysis, this paper analyzed the tendency of preparing questions with table or figure information for college entrance examination in recent three years. Combining relevant examples, this study discussed the function and value of different types of the examination questions, and gave references for chemistry teaching and exam-preparation.

This paper developed chemical academic self-concept scale for middle school students based on the theories of academic self-concept and relevant scales. The statistical analysis showed that the chemical academic self-concept of middle school students included four factors such as chemical academic confidence, chemical academic self-recognition, chemical academic self-experience, and chemical academic self-regulation. The scale had good reliability and validity to reflect the status of the chemical academic self-concept of middle school students.

Guizhou province is a multi-ethnic region of China. In order to understand inquiry experiment teaching of senior high school chemistry in ethnic regions, this paper investigated the status of inquiry experiment teaching in Bijie by questionnaire, and gave some suggestions and countermeasures including updating teaching ideas,strengthening teacher training,adding inquiry contents and creating experimental conditions.

This paper designed serials of chemical experiments using dropping bottle, such as reaction of sodium and ethanol, aluminum reacting with NaOH solution, copper reacting with concentrated nitric acid and dilute nitric acid, hydrogen evolution corrosion and oxygen absorption corrosion of iron. The devices of these experiments were easy to carry. These experiments were simple to operate, with obvious phenomena and nonpollution, and saved time of classroom teaching.

This paper simulated production process of tap water which was only presented by pictures in textbook. The simulated experiment helped students learn various methods of water purification, such as sedimentation, filtration and absorption, and understand the purification degree and the order of each method.

This paper designed the experimental apparatus for oxygen absorption corrosion of iron based on the dissolved oxygen involved in electrode reaction. This digital experiment showed the change of dissolved oxygen and electric current by sensors. Furthermore, this study explored the optimal concentration of sodium chloride solution for this experiment.

This paper designed explosion experiment of flour in junior high school chemistry using cute pumpkin, which was interesting with obvious phenomena, made students develop the comparative understanding of chemical explosion and physical explosion.

This paper discussed the use of carbon tetrachloride in middle school chemistry experiments according to the national environmental protection policies for carbon tetrachloride, analyzed the chemical experiments using carbon tetrachloride and the amount of carbon tetrachloride in chemistry textbook for senior high school. Put forward four measures for controlling the use of carbon tetrachloride: finding alternative reagents, recycling reagents, separation and disposal of waste liquid, and reducing unnecessary experiments.

This paper discussed the construction of the concept of organic compounds and substitution reaction, which showed that the reaction between methane and chlorine played an important role in organic chemistry teaching. Analyzed the misunderstanding of the conditions (such as the selection of light source), the types of products, the verification method of products, the ratio of the reactants and the risks of the experiment of the reaction between methane and chlorine using theoretical and experimental methods, and put forward an improved experiment program and the directions to eliminate the misunderstanding of teaching.

This paper analyzed the different data of energy released by the oxidation of one mole glucose in senior high school chemistry and biology textbooks, and gave relevant interpretation using chemical theories. The energy data in chemistry textbooks was enthalpy change, while free energy change was used in biology textbooks, which caused the data different. Moreover, this paper gave some constructive suggestions of curricula construction and implementation.

This paper analyzed the stereochemistry questions in chemistry competition of senior high school, in order to help the instructors and the students who participated in the chemistry competition understand the general methods to answer these questions, and prospected the future examination questions of stereochemistry.

Chemical epistemology embodied the history of chemistry from experiences to rough experiment, then to fine scientific research, now to interdisciplinary integration of knowledge and methods. The process of presenting chemical knowledge should be similar with the development history of chemistry, because individual development is alike to the formation of knowledge. Chemical epistemology implicated that chemistry teaching should start with students' experiences, emphasize the process of knowledge formation, achieve innovative level and enhance scientific literacy of students.