1. Biology: The study of life, including living organisms, their structure, function, growth, origin, evolution, and distribution.

2. Chemistry: The study of matter and its properties, as well as how matter changes.

3. Physics: The study of the fundamental constituents of the universe and the laws that govern their behavior.

4. Earth Science: The study of the Earth, including its composition, structure, processes, and history. This includes disciplines like geology, meteorology, and oceanography.

5. Computer Science: The study of computers and computational systems, including their design, development, and application.