This development research aims to produce a POE-based E-LKPD using a liveworksheet on thermochemical material for class XI SMA/MA equivalent that is valid and to know the response of POE-based E-LKPD users using a liveworksheet based on aspects of attractiveness, effectiveness and practicality. Research and Development (R&D) research with the 4-D development model is the type of research used i…