Abstract:
The Purposes of this research were to develop science games on "Chemical and Fuel" to be used in the practice of Prathomsuksa 3 students science process skills and to find the efficiency of these games.Samples of the study were 40 Prathomsuksa 3 students from the Bilingual Program of Udomsuksa School, Wangthonglang Bangkok. Instruments of the study consisted of twelve science games, twelve exercises and a test on science process skills which had the reliability of 0.81 - 0.86 and 0.91 respectively. Analyses of the data were carreid out to find the percentage of scores from the exercises, percentage of scores from the test, and the t - value from the pre- and post- tests.Results of the study revealed that the science games on "Chemical and fuel" bad an efficiency of 83.81/86.63 which was higher than the predetermined value of 80/80. A t - test done on the scores from the pre-and post-test confirmed the difference which was statistically significant at the .01 level.