十二年國民教育自然領域課程綱要在傳統的生物、化學、物理與地球科學之 外，提出了4 學分創新課程「自然科學探究與實作」﹔凸顯了實作教育對於現代 教育重要性。本文觀察探討近半世紀以來，高中科學課程的改革歷程，以至於近 年來實作教育興起的緣由與現代實務。

In addition to the traditional courses of Physics, Chemistry, Biology, and Earth Science, the 12-year compulsory education curriculum in natural science has proposed a 4-credit-hour innovative course named "Inquiry and Practice of Natural Sciences". It emphasizes the importance of "Practice Education" in the modem science education. This paper review and discuss the evolution of high school science curriculum in the past half century, and the recent renascence of practice. An example of modem practice is also proposed and discussed.