1440
        
        
          
            P104
          
        
        
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          A Development of Solar System Laboratory to Promote Learning Achievement
        
        
          and Science Process Skills of the Grade 11 Students
        
        
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          Abstract
        
        
          The purposes of this research were 1) to develop of Solar System laboratory for the grade 11 students
        
        
          had efficiency the set criteria of 80/80, 2) to compare science learning achievement before and after learning of
        
        
          the grade 11 students by using Solar System laboratory, and 3) to compare science process skills before and after
        
        
          learning of the grade 11 students by using Solar System laboratory. The target group consisted of 33 students
        
        
          from grade 11 students who were studying at the Hatyaipittayakom School. The instruments used for collecting
        
        
          data were. 1) The three laboratory on Solar System for the high school students had efficiency levels higher than
        
        
          the set criteria of 80/80, 2) The learning achievement of the student before and after learning by using the
        
        
          laboratory on Solar System were significantly different at the level of .01, and 3) The science process skills of the
        
        
          student before and after learning by using the laboratory on Solar System were significantly different at the level
        
        
          of .01
        
        
          Keywords:
        
        
          Solar System Laboratory, Learning Achievement, Science Process Skills
        
        
          1
        
        
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          Corresponding author: E-mail address: