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Abstract
The aim of this research was to examine the level validation of student worksheets based on science process skills with the theme of acid rain for class VII SMP. This research was an RnD (Research and development) research using a development model by Thiagarajan which was adapted into 3D (define, design and develop). The data collection instrument used was a questionnaire in the form of an assessment instrument for student worksheets. The assessment of the student worksheets consists of the feasibility of content, the feasibility of presentation, the feasibility of science process skills, the feasibility of language and the feasibility of graphics. The results of the assessment carried out by material expert validators, media expert validators and practitioner expert validators on student worksheets based on science process skills on the theme of acid rain for class VII junior high school, namely 90.27% for content feasibility, 92.7% for presentation feasibility, 90.62% for science process skills feasibility, 88.63% for language feasibility and 84,61 for graphics feasibility. So the percentage of the final score for the assessment of the student worksheets is 88.47% with very valid criteria, it means that the student worksheets is suitable for use in science learning.
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References
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References
Ambarsari, W., Santosa, S., & Maridi. (2013) Penerapan Pengembangan Inkuiri Terbimbing Terhadap Keterampilan Proses Sains Dasar Pada Pembelajaran Biologi Siswa Kelas VIII Negeri 7 Surakarta, Jurnal Pendidikan Biologi, 5 (1), 81-95
Atiyah, R.I., Wahidin, W, & Roviati, E. (2016) Penggunaan Lembar Kerja Siswa Untuk Meningkatkan Literasi Sains Siswa Pada Konsep Kingdom Plantae Kelas X di SMAN 3 Kuningan, Jurnal Pendidikan Sains, 5 (2), 144-155
Daryanto & Karim, S. (2017) Pembelajaran Abad 21. Yogyakarta: Gava Media
Depdiknas, (2007) Pedoman Memilih Menyusun Bahan Ajar dan Teks Mata Pelajaran. Jakarta: CV. Mini Jaya Abadi
Hidayati, S.W., Razi, P., & Kamus, Z. (2015), Pengaruh Penerapan Lembar Kerja Siswa Berbasis Keterampialn Proses Sains Terhadap Daya Nalar di Kelas XI SMAN 3 Payakumbuh, Pillar Of Physics Education, 5, 193-200
Karamustafaoglu, S. (2011), Improving the Science Process Skills Ability of Science Student Teachers Using I Diagrams, Eurasian Journal of Physics and Chemical Education, 3 (1), 26-38
Kemendiknas, (2011) Panduan Pengembangan Pembelajaran IPA Secara Terpadu. Jakarta: Direktorat Jenderal Pendidikan Dasar Direktorat Pembinaan Sekolah Menengah Pertama.
Purwanto, N. (2012) Prinsip-prinsip dan Teknik Evaluasi Pengajaran. Bandung: PT. Remaja Rosdakaya.
Rahayu, A.H & Anggraeni, P. (2017), Analisis Profil Keterampilan Proses Sains Siswa Sekolah Dasar di Kabupaten Sumedang, Jurnal Pesona Dasar, 5 (2), 22-33
Rahmatillah, Halim, A., & Hasan, M. (2017), Pengembangan Lembar Kerja Siswa Berbasis Keterampilan Proses Sains Terhadap Aktifitas Pada Materi Koloid, Jurnal IPA dan Pembelajaran IPS, 1(2), 121-130.