1. Natural Sciences:
* Physical Sciences: Study the inanimate world.
* Physics: Study of matter and energy and their interactions.
* Chemistry: Study of the composition, structure, properties, and reactions of matter.
* Astronomy: Study of celestial objects and phenomena.
* Geology: Study of the Earth's composition, structure, and history.
* Meteorology: Study of the Earth's atmosphere and weather.
* Oceanography: Study of the oceans and their processes.
* Life Sciences (Biology): Study of living organisms.
* Botany: Study of plants.
* Zoology: Study of animals.
* Microbiology: Study of microorganisms.
* Ecology: Study of the interactions between organisms and their environment.
* Genetics: Study of heredity and the variation of inherited traits.
* Evolutionary Biology: Study of the origin and diversification of life.
* Molecular Biology: Study of the structure and function of biological molecules.
2. Social Sciences: Study human society and its interactions.
* Anthropology: Study of human societies and cultures.
* Sociology: Study of human social behavior and interaction.
* Psychology: Study of the mind and behavior.
* Economics: Study of the production, distribution, and consumption of goods and services.
* Political Science: Study of government and political processes.
* History: Study of past events.
* Geography: Study of the Earth's surface and its features.
* Linguistics: Study of language.
3. Formal Sciences: Deal with abstract concepts and formal systems.
* Mathematics: Study of numbers, quantities, and shapes.
* Logic: Study of reasoning and argumentation.
* Computer Science: Study of the design, development, and application of computer systems.
* Information Science: Study of the structure, processing, and retrieval of information.
It's important to note that these are just major categories, and there are many sub-fields and overlapping areas within each division. Furthermore, new scientific disciplines are constantly emerging, blurring the lines between traditional categories.