How to Say “Science Class” in Japanese

理科の授業
The English phrase "science class" is translated into Japanese as 理科の授業.
理科の授業 is used to refer to a science class. While 理科 refers to the subject of science itself, adding の授業 specifies the lesson period.

What does it mean word for word?

The term breaks down as follows: 理科 refers specifically to the natural sciences taught in primary and secondary education.

Which one should you use?

理科の授業 refers to the specific lesson period, whereas 理科 alone refers to the subject of science itself.

Did you know?

  • Japanese students often use the slang 理系 to describe someone who is 'science-type' and 文系 for 'humanities-type'. This binary classification deeply influences social identity and career paths in Japan.
  • The character 理 in 理科 originally referred to the veins or patterns in jade. Over time, it evolved to mean the 'underlying logic' or 'reason' of the natural world.
  • While 理科 is used for school science, the general word for science as a professional or academic field is 科学. Using 科学の授業 instead of 理科の授業 would sound unnaturally formal to a native speaker.

Examples in context

  • 理科の授業は楽しいです。
    Science class is fun.
  • 理科の授業はとても楽しいです。
    rika no jugyou wa totemo tanoshii desu.
    Science class is very fun.
  • 明日の理科の授業は何をしますか?
    ashita no rika no jugyou wa nani o shimasu ka?
    What are we doing in science class tomorrow?
  • 理科の授業で実験をしました。
    rika no jugyou de jikken o shimashita.
    I did an experiment in science class.

Example conversation

Two students are talking about their school schedule in the hallway.

  1. 健太 Kenta

    結衣さんは、理科の授業が好きですか?
    Yui-san wa, rika no jugyou ga suki desu ka?
    Yui, do you like science class?
  2. 結衣 Yui

    はい、理科の授業は大好きです。
    Hai, rika no jugyou wa daisuki desu.
    Yes, I love science class.
  3. 健太 Kenta

    僕も、理科の授業は得意ですよ。
    Boku mo, rika no jugyou wa tokui desu yo.
    I am good at science class, too.
  4. 結衣 Yui

    じゃあ、今度教えてくださいね。
    Jaa, kondo oshiete kudasai ne.
    Then, please teach me next time.
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Maude Kathy
Maude KathyHelp make this guide better. Spot a mistake, know another way to say it, or have an example from real life? Share it below.
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