This Practice Book accompanies the Textbook, Fundamentals of Remote Sensing: History and Practice (S. O. Dovgyi, V. I. Lyalko, S. M. Babiichuk, T. L. Kuchma, O. V. Tomchenko, L. Ya. Yurkiv). It is packed with hands-on tasks aimed to help students explore the opportunities for application of imagery and data from Sentinel and Landsat Earth observation satellite systems in different research, namely climatic, hydrologic, forestry, agricultural, etc. This Practice Book may be used by teaching methodology experts and educators of the Junior Academy of Sciences of Ukraine, teachers, and students of higher educational institutions, educators and students who get science-oriented education at specialized educational institutions, as well as by anyone seeking to master the fundamentals of remote sensing and geographic information systems.