“…Science process skills are scientific abilities that must be possessed by students in the 21st century (Wardani & Djukri, 2019), in order to be able to use the scientific method in understanding problems, and developing and discovering knowledge, and these skills are essential, for students as a provision to use the scientific method in developing science, and become able to gain a new understanding (Zeidan & Jayosi, 2015). According to Tawil & Liliasari (2014), science process skills have several indicators in order to achieve a scientific process, namely observing, classifying, interpreting, predicting, communicating, asking questions, hypotheses, planning experiment, using tools/materials, apply concepts, and conduct experiments as necessary tools in science.…”