Natural science; the academic disciplines that study natural phenomena and laws (e.g., physics, chemistry, biology).
大学では自然科学と人文科学の両方を学びたい。
At university I want to study both natural sciences and the humanities.
自然科学の基礎として実験の方法を学ぶ。
Learn experimental methods as a foundation of the natural sciences.
自然科学の研究は観察と実験が中心だ。
Research in the natural sciences centers on observation and experimentation.