This study aims to look at the effect of science process skills on Jambi City Junior High School students' critical thinking ability on the density and reflection of the material in the mirror. This research method used was mixed method, while the design used was sequential explanatory. The study was conducted at Adhyaksa 1 Junior High School in Jambi City and Al-Jauharen Islamic junior high school in Jambi. The sampling technique used was cluster sampling, so that the sample of this study amounted to 58 students. The data collection instrument consisted of an observation sheet of science process skills, a test of critical thinking skills, and an interview. Data were analyzed using descriptive statistics and inferential statistics. Based on the results of the linear regression test that has been carried out, the t value is greater than the t table, it can be said that there is a significant influence between science process skills and critical thinking skills on the density material and the reflection on the mirror.<strong> </strong>Students who have low process skills will tend to have low critical thinking skills. Low science process skills and students' thinking abilities lead to low student learning outcomes.

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Tujuan Penelitian ini yaitu mengetahui tingkat keterampilan proses sains mahasiswa Pendidikan Fisika Universitas Jambi pada praktikum Pembiasan pada prisma fisika dasar terhadap penggunaan e-modul. Penelitian ini merupakan jenis penelitian deskriptif. Pendekatan yang digunakan dalam penelitian ini adalah pendekatan kuantitatif. Pelaksanaan penelitian ini dilakukan pada bulan  Oktober tahun 2019. Jumlah sampel pada penelitian ini ialah seluruh mahasiswa pendidikan fisika angkatan 2018 yang berjumlah 40 orang. Penelitian ini menggunakan teknik pengambilan sampel, yaitu total sampling. Instrumen yang digunakan pada penelitian ini ialah lembar observasi keterampilan proses sains yang sudah divalidasi. Data keterampilan proses sains yang diperoleh dianalisis menggunakan statistik deskriptif. Berdasarkan hasil penelitian yang dilakukan oleh peneliti, maka diketahui. Pada penelitian Keterampilan Proses Sains Mahasiswa Pendidikan Fisika Universitas Jambi pada praktikum pembiasan pada prisma dengan menggunakan e-modul memperoleh hasil sangat baik hal ini dapat dilihat dari hasil persentase setiap indikator. pengunaan e-modul dapat meningkatkan tingkat keterampilan proses mahasiswa dalam melaksanakan kegiatan prtaktikum

The purpose of this study was to describe the process skills of Muaro Jambi Senior High School 8 students on temperature and heat material. The research used in this study is research that uses research methods that use research This research. The sample used in this study was the students of Muaro Jambi High School 8, which collected 96 students of Class XI MIPA 1 to XI MIPA 3 odd semester 2019/2020. Data collection techniques in this study were observation and interviews. The results of observations of students' mastery of process skills in the material practicum of temperature and heat (change in form) showed a percentage of 55.2% classified in the bad category. I hope students have a low process. Low student learning process. Student-oriented learning process material.

The purpose of this study was to describe the critical thinking skills of students of SMAN 8 Muaro Jambi in physics learning material temperature and heat. The approach used in this study is a mixed-methods approach with a sequential explanatory design that combines sequential quantitative and qualitative research methods. The sample used in this study was 96 students of SMAN 8 Muaro Jambi. Data collection techniques using tests and interviews. The results showed that for the mastery of critical thinking skills as a whole on the material, the temperature and heat of the students were at a non-critical level with a percentage of 40.5%. Based on the results of the study, it was found that students of SMAN 8 Muaro Jambi were in the non-critical category. The low ability of students to think critically is because students are not used to being presented with active learning that maximizes their thinking potential. By doing this research, the teacher can improve students' critical thinking skills in learning physics, especially temperature and heat material.