The author suggests that chemical literacy consists of four dimensions: key chemical concepts, chemistry and life, the academic process and methods of chemistry science, the at.

The Original Analysis and Interpretation of Key Concepts in Politics by Andrew Heywood;

This paper makes clear the meaning of "inquiry" in children s science activities, and discusses the issues such as how to choose science content, nucleus science concepts and the process of science inquiry in science education activities.

The core concept and the conceptual system are the bedrocks of a theory as well as the key factors of a theoretical opinion or a theoretical system,which in turn determine the power of its explanation.

It introduced the theory of unpleasant symptoms from aspects of background and development,core concept,influencing factors,internal and external evaluations,and theoretical application of the theory of unpleasant symptoms theory.

In the different historical period the key conception of the library science has different variations, the knowledge is the key conception of the modern library science, and around this key conception a series of basic conceptions are derived, we should examine again the constitutive relations between the library and the society through the variation of the key conception of the library science.

After the fading of the heat of Newman study,based on Newman s The Idea of a University,this paper makes a structural analysis of his idea with the approach of text analysis,and sorts out six core concepts in this book,namely,truth,moral,reason,general knowledge,liberal knowledge and liberal education.

This essay also gave a account to the core concepts of the harmonized socialist society such as richness,equality and sustainable d.