Five new editions of Senior high school chemistry, Textbooks (entitled Chemistry 2) used since the 1984 school year have been analyzed, in respect to the their experimental titles and contents. The number of the experiments contained in the Textbooks ...
Five new editions of Senior high school chemistry, Textbooks (entitled Chemistry 2) used since the 1984 school year have been analyzed, in respect to the their experimental titles and contents. The number of the experiments contained in the Textbooks is 16 in Textbook A, 20 in Textbook, B, 17 in Textbook C, 18 in Textbook D, and 20 in Textbook E. The number of illustrations used in explication of the experiments is 10 in Textbooks A and B, 11 in Textbook C, 9 in Textbook D, and in Textbook E, in particular, the number almost doubles to 20. Every book except Textbook E has a chapter or two which contain no experiment, namely chapter 3 in Textbook A, chapter 3 and 4 in B, chapter 3 in C and chapter 3 in D. Each Textbook shows a characteristic in the titles and content explanation of experiments of their chapters.