地学(ちがく)

ちがく
noun
earth science; geoscience
academicscienceeducation
1. earth science; geoscience
The study of the Earth, including its structure, atmosphere, oceans, and geological processes.
高校(こうこう)で地学(ちがく)を選択(せんたく)した。
I chose earth science in high school.
地学(ちがく)の授業(じゅぎょう)で地震(じしん)について学(まな)んだ。
I learned about earthquakes in earth science class.
地学(ちがく)は地質学(ちしつがく)や気象学(きしょうがく)を含(ふく)む。
Earth science includes geology and meteorology.

Branches of earth science

Related academic subjects

Japanese education context: In Japanese high schools, students typically choose between 物理(ぶつり), 化学(かがく), 生物(せいぶつ), and 地学(ちがく) for their science subjects. 地学(ちがく) is less commonly chosen but covers important topics like earthquakes, volcanoes, and weather systems relevant to Japan.

Related Words

Related: 天文学(てんもんがく) (astronomy)
Related: 生物学(せいぶつがく) (biology)
Related: 物理学(ぶつりがく) (physics)
Related: 化学(かがく) (chemistry)
Compare: 地理学(ちりがく) (geography (academic discipline))
Compare: 地質学(ちしつがく) (geology)
general
Added 2026.1.19 8:16 · Revised 2026.9.2 13:01
07000/07106_chigaku