Reshebnik Dlia Tetrdadi Po Fiziki Bozhinova Bondarenko Evlakhova May 2026

Investigating light reflection with plane mirrors, light refraction, and determining focal lengths of lenses.

The 9th-grade workbook contains approximately 8 laboratory works: Investigating light reflection with plane mirrors

Investigating conditions for bodies floating and studying the equilibrium conditions of a lever. Grade 8: Thermal and Electrical Phenomena Investigating light reflection with plane mirrors

The 8th-grade material is often divided into theoretical control, practical training, and laboratory works: Investigating light reflection with plane mirrors

Investigating sound vibrations and studying the law of conservation of mechanical energy.