科学

かがく

science

JLPT N4

Character Breakdown

Meaning and Usage

"科学" (かがく) means "science" and refers to the systematic study of the natural world through observation and experiment. It is a common noun used in both academic and everyday contexts.

Common Contexts

You will often see "科学" in educational settings, such as "科学の授業" (science class), or in discussions about technology and research, like "科学技術" (science and technology).

Collocations and Patterns

  • "科学の授業" (science class): used when talking about school subjects.
  • "科学技術" (science and technology): refers to scientific and technological advancements.
  • "科学者" (scientist): a person who works in science.

Register and Nuance

"科学" is a neutral, formal word suitable for written and spoken Japanese. It is not casual slang and is appropriate in academic, professional, and general conversations.

Common Mistakes

Learners sometimes confuse "科学" with "理科" (りか), which also means science but is more specifically used for school science subjects. "科学" is broader and can refer to science as a whole discipline or field.

Example Sentences

かがくのじゅぎょうであたらしいじっけんをしました。

We did a new experiment in science class.

かがくぎじゅつのしんぽはせいかつをべんりにします。

Advances in science and technology make life more convenient.

かれはかがくしゃになりたいといっています。

He says he wants to become a scientist.