Abstract:
The purposes of this research were 1) to compare students scientific reasoning abilities before and after using the game-based inquiry learning and 2) to investigate the scientific reasoning abilities during employing game-based inquiry learning. The participants in this study were 40 students studying in matthayomsuksa 4 at the secondary school under the Secondary Educational Service Area Office Singburi Angthong. The instruments used in this study were the achievement test of scientific reasoning abilities, informal interviews, learning logs, lesson plans, and educational games. The data was analyzed by using mean, percentage, standard deviation, t-test, and content analysis.The findings showed that 1) The statistically significant of the post-test students who were taught by using game-based inquiry learning was higher than the pre-test students at .05. 2) The students who were taught by game-based inquiry learning showed a change in their scientific reasoning abilities during learning. From the first stage, the abilities of scientific reasoning at a low, middle, and high level were 37.5, 60, and 2.5 percent. In the final stage, the scientific reasoning abilities were 22.5, 17.5, and 60 percent, respectively.