1. *Physics*: The study of matter, energy, and the fundamental forces of nature.
2. *Chemistry*: The study of substances, their properties, and how they interact.
3. *Biology*: The study of living organisms and their interactions with the environment.
4. *Earth Science*: The study of the Earth, including geology, meteorology, and oceanography.
5. *Astronomy*: The study of celestial objects and the universe beyond Earth.
