There were three Purposes of the study: 1) to development and identify educational quality of science activity packages learning on “The Impact of Particulate Matter 2.5 Micrometer (PM.2.5)”. 2) to study learning outcomes; knowledge and science process skills of Mathayomsuksa 1. Students by science activity packages learning on “The Impact of PM.2.5” and 3) to study attitude toward environment of Mathayomsuksa 1. Students by science activity packages learning on “The Impact of PM.2.5”. The study was accomplished through two stages of operation; 1) development and quality evaluation of science activity packages learning by the experts and conducting a teaching experimentation with a group of three students and nine students successively. 2) performing experimental teaching by employing the science activity packages learning with the sampling coming up with a group in one class (from 5 class of 40 MS.1 (grade 7) of Sriboonyanon school ) for 14 periods (50 minutes a period)for the experimental teaching. The results were as follows:
1. The science activity packages learning were at higher educational quality good level.
2. Learning outcomes of students exposed to instruction utilizing the developed science activity packages learning were found positive: 1) students’ post-test scores on knowledge were significantly higher than their pre-test scores. 2) students’ posttest scores on science process skills were significantly higher than their pre-test scores.
3. Students’ post-test scores on attitude toward Environment designated as “good level”.

Authors:
Onanong Thongpan, Sriboonyanon School, Thailand

About the Presenter(s)
Mrs.Onanong Thongpan Senior Professional Level Teachers(K3Teachers) Bachelor of Education, Nakhon Pathom Rajabhat University Master of Education, Srinakharinwirot University Teaching Science.I'm interested in the environment.Current projects The Development of Science Activity Packages learning on “The Impact of Particulat Matter 2.5 Micrometer (PM.2.5) for Mathayomsuksa 1. Students.

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