Reshebnik Dlia Tetrdadi Po Fiziki Bozhinova Bondarenko Evlakhova May 2026

The 7th-grade workbook typically includes 11–12 laboratory works covering fundamental measurement and mechanical concepts:

Researching the interaction of charged bodies.

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

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

The 9th-grade workbook contains approximately 8 laboratory works: and Advanced Mechanics Determining substance density

Topics include temperature, internal energy, heat capacity, and thermal balance.

Includes independent work and thematic control tests. Grade 9: Electromagnetism, Optics, and Advanced Mechanics studying elastic properties of bodies

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