Abstract:
This study aims to describe the feasibility of student worksheets on natural
science with Kokami (Kotak Kartu misterius/ mysterious card box) media to
increase the students’ learning outcome. The themes of the developed
product are work and energy for junior high school level students. The
specific objectives of this study were to describe the validity, practicality,
and effectiveness of natural science students' worksheets with Kokami
media. The type of this research is research and development with the
ADDIE development model. The test subjects were 36 students from one of
the public junior high school in Barito Kuala regency. The instruments of
this research were validation sheets, questionnaires, and learning outcomes
tests. The results showed that: 1) the validity of students’ worksheets of
natural science with the Kokami media was included in the highly valid
category, (2) the practicality of students’ worksheets of natural science with
the Kokami media was in the very good category, and (3) the effectiveness
of students’ worksheets of natural science with Kokami media was in the
high category. It can be concluded that the natural science students'
worksheets with Kokami media were feasible to be used at the junior high
school level. Kokami media can be an effective and attractive alternative
learning media in learning physics.
