Mathematics is a subject that studies concepts such as quantity, structure, change and spatial model. By using abstract and logical reasoning, the shape and motion of objects are counted, calculated, measured and observed. Mathematicians have extended these concepts in order to express new conjectures with formulas and establish strictly deduced truths from properly selected axioms and definitions.

2. Physics

Physics is a natural science that studies the structure, interaction and movement of natural materials. It is a natural science based on observation and experiment. Its achievements are of positive significance for human beings to understand nature scientifically and get rid of superstition. An eternal theme of physics is to find all kinds of order, symmetry and symmetry breaking, conservation laws or invariance.

3. Chemistry

Chemistry is a science that studies the composition, structure, properties and changing laws of matter. The world is made of matter, and chemistry is one of the main ways and means for human beings to understand and transform the material world. It is a discipline with a long history and full of vitality, and its achievement is an important symbol of social civilization.

4. Biology

Biology is a branch of natural science, which studies the structure, function, occurrence and development of organisms and the relationship between organisms and their surrounding environment. Biology originated from natural history, experienced experimental biology and molecular biology, and entered the period of systematic biology.

5. Geography

Geography is knowledge about the earth, its characteristics, inhabitants and phenomena. It is a discipline system that studies the interaction between the earth's surface layers and their spatial differences and changes, mainly including physical geography and human geography.