: Simple machines (levers, pulleys), efficiency, and potential/kinetic energy. 2. Self-Study Tests (Samostoyatelnye Raboty)

: Pascal's law, atmospheric pressure, and Archimedes' principle.

Short diagnostic tests used in class to check understanding after a specific lesson. A reshebnik provides: for numerical problems. Correct choices for multiple-choice questions.

More comprehensive exams covering entire chapters. Most reshebniks include solutions for all variants (usually 2 to 4 variants) to ensure students can verify their work regardless of which version they were assigned. 4. Examples of Problem Solving

These are organized by the main chapters of the 7th-grade curriculum. They usually offer three levels of complexity to help students practice basic concepts: