Using Project-Based Learning to Enhance Scientific Process Skills for Grade 11 Students

The purposes of this research were 1) to study scientific process skills using project-based learning for grade 11 students 2) to compare learning achievement before and after studying with project-based learning. The sample groups used in this research were grade 11 students at the demonstration school of Rajabhat Phra Nakhon Si Ayutthaya University by random sampling. The research tools were project-based learning lesson plans, science process skills assessment form and learning achievement tests. Statistics used in this research were percentage, means, standard deviation and t-test. The results of this research found that 1) grade 11 students who studied with project-based learning had high levels of scientific process skills. 2) learning achievement of grade 11 students after studying was higher than before studying with statistical significance at the .05 level.