September 2023

Ethnoscience is one of the activities in transforming indigenous science into scientific science that can be implemented in the biology learning process. The implementation of the ethnoscience stage in biology learning can improve students' critical thinking skills, which is the aim of this research. This research is experimental research using a pretest-posttest control group design. The research population consisted of 36 students. The sample selection used a random sampling technique consisting of 2 classes (experimental and control), each class consisting of 18 students.

The district's traditional drink, kawa drink, made from dried coffee leaves, is used by the Kerinci people. The primary purpose of this investigation is to use ethnoscientific research to turn common knowledge about the techniques used in processing kawa drinks into scientific knowledge. This study employs a qualitative, ethnoscientific phenomenological methodology that includes observation, which involves learning where to gather the coffee leaves that will be used to make kawa drinks in the step one.

Online learning is an alternative learning system, especially when face-to-face learning cannot be held. This study aims to analyse the perceptions of high school teachers in the city of Sungaipuh about the online learning system and find out the problems of teachers in implementing it. This research is quantitative research with a descriptive approach. The population of this study were high school teachers and equivalent schools in Sungaipuh with a sample of 182 people. Data was collected through surveys using open and closed questionnaires.