Siska Yani. 2017. Pengaruh Lembar Kerja Peserta Didik ABSTRAK Penelitian ini bertujuan untuk mengetahui pengaruh hasil belajar, keterampilan proses sains, motivasi siswa, hubungan hasil belajar dengan keterampilan proses sains dan hubungan hasil belajar dengan motivasi setelah diterapkan LKPD eksperimen pada materi pencemaran lingkungan di SLTA Kecamatan Trienggadeng Kabupaten Pidie Jaya. Penelitian ini dilakukan pada tanggal 4 Maret sampai 31 Maret 2017, menggunakan metode quasi eksperimental dengan rancangan pretestposttest control group design. Populasi dalam penelitian ini adalah seluruh siswa kelas X SMAN 1 Trienggadeng berjumlah 116 siswa dan siswa kelas X MAN 1 Trienggadeng berjumlah 104 siswa. Sampel penelitian berjumlah 42 siswa untuk setiap sekolah. Instrument penelitian menggunakan tes, lembar observasi keterampilan proses sains dan lembar motivasi siswa. Analisis data perbedaan hasil belajar antara kelas kontrol dengan eksperimen menggunakan uji independent sample t-test pada taraf signifikan 0,05. Keterampilan proses sains dan motivasi siswa dianalisis dengan presentase. Hubungan hasil belajar dengan Keterampilan Proses Sains dan motivasi dianalisis dengan rumus korelasi. Hasil penelitian menunjukkan bahwa hitung 5,45 > t 1,98 pada taraf signifikan 5% tabel Kata Kunci: LKPD ekepserimen, Hasil belajar, Keterampilan Proses Sains, Motivasi, Pencemaran lingkungan Siska Yani. 2017. The Implementation of in Experiment and Non-Experiment Student Worksheet ABSTRACT This study aimed at determining the influence in learning outcomes, science processing skills, student motivation, the relationship between learning outcmes and science prosses skills, and the relationship between laerning outcomes and motivation after the implementation of expriment LKPD on environmental pollution learning material in senior high school of Trienggadeng Sub-District, Pidie Jaya Regency. The study was conducted on March 4-31, 2017 by using a quasiexperimental method with a pretest-posttest control group design. The population in the study was all students of class X in state senior High School 1 of Trienggadeng consisting of 116 students and all students of class X of State Islamic Senior High Scholl 1 of Trienggadeng consisting of 104 students. The instruments used in this research wre tests, observation sheets of science procss skills and student motivation sheets. The data analysis of learning outcome differences between control and experiment class was carried out by using independent sample t-test with the lavel of significance of 0,05. The science procss skills and student motivation were analyzed in percentage. The relationship among learning outcomes, the Science Process Skills, and motivation were analyzed with the correlation formula. The results showed that Keyword: experiment LKPD, Learning outcomes, Science process Skills, Motivation, Environmental Pollution. v