Junior Chemistry Teaching Strategies Terms

Chemistry is at the molecular, atomic level properties study theproperties of matter, composition, structure and its changes in thelaws of science. Chemistry expressions was born in chemistry as thestudy and exchange of chemical knowledge of tools, therefore, Chemistryexpressions is unique, proprietary chemical scientific language, is animportant sign of the chemistry.it is different from other sciences,chemical sciences is the most basic and the most important part of. Juniormiddle school chemistry as students enlightenment stage chemistrylearning, started to learn chemistry expressions in great quantities, cancorrect writing and using chemical language skillfully thinking andlearning is the basic requirement of chemistry learning of junior middleschool students. Students in the master degree of junior chemistry stagealso directly affects the chemical expressions and high school chemistrylearning.However, the study found, junior high school students in learningchemistry expressions difficulties, chemistry expressions is one of thereasons causing the differentiation of junior middle school students.However, discovered in the teaching, in teaching to chemical expressions,both teachers and students spend considerable time and effort, but thechemical expressions still become most students studying chemicaldisorder, students still can not effectively control the chemicalexpressions. For this problem, many scholars at domestic and abroad tostudy chemical expressions learning in the difficult reason, and proposedthe solution chemistry teaching strategy, constructs the teaching model inchemistry expressions. In this paper, on the basis of previous studies, analysis of the chemicalexpressions, classification and function of Chemistry expressionsTeaching in the difficult reason, chemistry teaching strategy, analysis ofthe mind mapping as a concept map’s role in learning, and finally, to"chemical formula and valence","how to write" the chemical equationfor example, in the mind map to teaching and research for the teachingstrategy, research and reference for other chemical education.