Reshebnik Dlia Tetrdadi Po Fiziki Bozhinova Bondarenko Evlakhova -

The 9th-grade workbook contains approximately 8 laboratory works:

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

Includes independent work and thematic control tests. Grade 9: Electromagnetism, Optics, and Advanced Mechanics size of small bodies

Investigating conditions for bodies floating and studying the equilibrium conditions of a lever. Grade 8: Thermal and Electrical Phenomena studying elastic properties of bodies

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

Determining substance density, studying elastic properties of bodies, and measuring the coefficient of sliding friction.

Volume of solids and liquids, size of small bodies, and mass of bodies using weighing methods.