1. Means systematic knowledge. Has 2fields, natural & social sciences.
2. Applied science- Knowledge applied from natural scientific fields to solve practical problems. ex: fields of engineering like ceramic engineering, computing technology, electronics, nanotechnology, nuclear technology, zoography etc.
3. Mathematics- has 4fields., arithmetic, algebra, geometry, analysis.
4. Arts- Includes architecture(designing bldgs), visual arts like painting, crafts etc, dance, design, drawing, fashion, film, literature(books & writings), music, photography, poetry, sculpture, ikebana etc.
5. Philosophy- study of fundamental nature of knowledge, reality & existence.

Natural science- study of nature

1. Astronomy: study of celestial obj’s, space & universe.
2. Biology: study of living organisms.
3. Chemistry: study of composition of matter.
4. Earth science: Term for all sciences related to earth like geology(study of physical matter of earth), geophysics(Earth’s physics), hydrology, meterology, geography(Earth’s physical features), oceanography, soil science.
5. Physics: study of nature & properties of matter & energy.
6. Environmental science: study of envt.

Social science- study of human behr & society.

1. Anthropology: Study of human kind, esp societies, cultures, human origins. Study of human history through fossils, excavation of sites is archeology. Study of human culture is humanities.
2. Economics: Study of mgt of wealth. Home economics is study of cookery & household mgt.
3. History: Study of past events.
4. Law: Rules recognized by a country.
5. Linguistics: study of language.
6. Political science: Study of politics.
7. Psychology: Study of mind.
8. Sociology: Study of human society.

1. Aristocracy: form of govt where people of noble birth with hereditary titles rule.
2. Autocracy: by one self appointed person with absolute power. Dictatorship is one kind of autocracy.
3. Communist: under ctrl of a communist party. This system is derived from Marxism, practised in China & formerly in the Soviet Union. May have sev legal political parties but communist party has dominant role in govt.
4. Democracy: people have a voice in the exercise of power, typically through elected representatives.
5. Feudalism: dominant system in medieval europe.
6. Monarchy: by monarch usually single person.
7. Republic: Supreme power by people & their elected representatives. Has elected President.