Development of STEM activities in Chemistry on “Protein” to enhance 21 st century learning skills for senior high school students

This study aimed to develop STEM education activities on “Protein” for high school students and study efficiency of STEM activities for enhancing the 21 st century skills including on learning and innovation skills in creativity,information media and technology skills and life and career skills of students. The evaluating result from the experts showed that developed STEM education activities was ranked in high score level. The STEM education activities efficiency E1/E2 was 85.65/89.52 that higher than the criteria of 80/80. The STEM activities was used by 42 students in grade 12 in the first semester of the academic year 2015 at Bodindecha (Sing Singhaseni) School. Sampling group was chosen using a purposive sampling approach. The results revealed thatafter students studied STEM activities, the academic achievement and the 21 st century skillson learning and innovation skills in creativitywas significantly higher at .05 level, information media and technology skills of students were ranked in excellent level and life and career skills of students were ranked in very good level.