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The textbook is compiled in accordance with the new (2011) programme of natural science for primary school and textbooks by T. H. Gilberg, T. V. Sak (K.: «Genesis», 2012) and I. V. Hruschynska (K.: «Osvita», 2012).

The manual is intended for independent work of second-graders in the classroom, the purpose of which is to identify and timely eliminate gaps in students' knowledge. Each independent work is presented in two versions and is designed for 5-7 minutes. The teacher evaluates the correctness of the tasks verbally or in points. The student draws the appropriate facial expression to the droplet depicted next to the grade column.