Abstract:
The purpose of this research were to 1) examine science communication writing abilities of students after using inquiry instructions and collaborative writing and 2) compare the science communication writing abilities of students between before and after learned through inquiry instructions and collaborative writing. The research group was eleventh-grade students from a large secondary school in Bangkok. The design of this pre-experimental research was a one-group pretest-posttest design. The data of the students' science communication writing was collected before and after the instruction. The research instruments was science communication writing test. The collected data were analyzed by arithmetic mean, mean percentage score, standard deviation, t-test and content analysis The research findings were as follows: 1) the written science communication abilities mean post test score of students was rated at good level. 2) the written science communication abilities mean posttest score of students was significantly higher than the mean pretest score (p=0.05)