(ちがく)

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

BRANCHES OF EARTH SCIENCE:

  • 地質学(ちしつがく) (geology)
  • 気象学(きしょうがく) (meteorology)
  • 海洋学(かいようがく) (oceanography)
  • 天文学(てんもんがく) (astronomy - sometimes included)

RELATED ACADEMIC SUBJECTS:

  • 物理学(ぶつりがく) (physics)
  • 化学(かがく) (chemistry)
  • 生物学(せいぶつがく) (biology)

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.