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The research samples used was 70 samples divided into 35 samples in the experimental class and 35 samples in the control class. The data were analyzed descriptively and differently. The instrument used in this study was a scientific attitude questionnaire in the form of a Likert scale. The method used in this study is a quantitative method with a quasi-experimental design. Therefore, this study aims to see the effect of using virtual laboratory media on students’s scientific attitudes. One way to improve scientific attitudes in students is using interactive and interesting learning media. It is necessary to implement the PjBeL-STEAM learning model in online Biology learning to improve science process skills in better ecosystem learning.Ī scientific attitude is important for students to have because scientific attitudes affect the learning process and outcomes. The research results indicate that the PjBeL-STEAM learning model provides better effects on science process skills than in control class. The data analysis technique employs an Independent sample t-test. Students' response to learning uses Likert scale instruments. The research data on science process skills are collected using pretest and posttest questions.

The main projects in PjBeL-STEAM learning include creating an animation of biogeochemical cycles and independent experiments.

The research sample consists of 72 students taken using purposive sampling. The research population includes students of grade X in ecosystem learning at one of public senior high schools in Jakarta Timur, Indonesia. The research employs a quasi-experimental method with a pretest-posttest control group design.

The PjBeL-STEAM learning model emphasizes on project activities with interdisciplinary through online learning. This research aims to analyze the effect of the project-based e-learning with science, technology, engineering, arts, and mathematics (PjBeL-STEAM) learning model on students' science process skills.

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