Despite improved digital access to publications as digitized artifacts, they remain document-based and often behind paywalls, impeding open science. Researchers must push beyond the established boundary of publications as digitized documents. Open science infrastructures support them in organizing and (re-)using publications and their information so that they are Findable, Accessible, Interoperable, and Reusable (FAIR) for humans and machines in the long term. The Open Research Knowledge Graph (ORKG) and ORKG Ask are two sustainably governed open science infrastructure for FAIR scientific information, with successful use cases in requirements engineering (RE). This tutorial aims to familiarize the participants with open science and empower them to leverage ORKG and ORKG Ask for FAIR scientific information. The half-day tutorial consists of three sessions: 1) A theoretical session on open science, ORKG, and ORKG Ask regarding their importance, benefits, and incentives, 2) Two practical sessions with two hands-on exercises for learning skills and practical experiences to leverage ORKG and ORKG Ask, and 3) A feedback session for reflection. The tutorial raises awareness for open science in RE, introduces ORKG and ORKG Ask, fosters networking and future collaborations. The participants become familiar with open science, ORKG, and ORKG Ask by learning skills and gaining practical experience to leverage the infrastructures themselves. The transition away from digitized documents and towards FAIR scientific information is a long-term endeavor. We must gradually sensitize researchers to this transition, while guiding and empowering them to leverage existing solutions as an integral part of their work. The tutorial pursues this endeavor to promote open science in RE.