1. Question sets designed for scientific understanding in physics, chemistry, or mathematics. 2. Detailed analysis of specific topics through problem-solving exercises. 3. Each question focuses on particular aspects of theoretical and practical applications. 4. Complex concepts explained via step-by-step examples to reinforce learning. 5. Multiple-choice and open-ended questions to test critical thinking and knowledge application. 6. Emphasis on assessment through real-world scenarios and experimental problem-solving.