Introduction:
When it comes to learning, videos can be a great resource as they provide visual and auditory stimulation, making it easier to understand complex topics. However, finding good quality videos that cover all subjects and their topics can be challenging. Some videos may be difficult to comprehend, while others may start abruptly or skip important information.

Subject-wise Videos:
To ensure a comprehensive understanding of all subjects and their topics, it is important to search for reliable and educational videos. Here are some suggestions for finding videos for different subjects:

1. Mathematics: Look for videos that explain mathematical concepts clearly and step-by-step. EduRev offers a wide range of videos on various math topics for Class 7. These videos cover topics such as algebra, geometry, and arithmetic.

2. Science: Find videos that provide visual explanations of scientific concepts and experiments. Look for videos that cover topics like physics, chemistry, biology, and environmental science. EduRev has a collection of science videos specifically designed for Class 7 students.

3. Social Science: Look for videos that provide historical context, geographical explanations, and insights into social and political concepts. EduRev offers videos on subjects like history, civics, geography, and economics for Class 7.

4. English: Search for videos that enhance language skills, including grammar, reading comprehension, and writing. Look for videos that cover topics like literature, vocabulary, and communication skills. EduRev has a variety of English videos catering to the needs of Class 7 students.

Tips for Finding Understandable Videos:
To avoid videos that are difficult to understand or start abruptly, follow these tips:

1. Check the video duration and comments: Longer videos often provide more detailed explanations. Also, reading comments can give you an idea of the video's quality and clarity.

2. Choose videos from reputable sources: Look for videos from trusted educational platforms or channels. EduRev is a reliable platform that offers educational videos for various subjects.

3. Read video descriptions: Video descriptions often provide information about the content covered. Make sure the video covers the specific topic you are looking for.

4. Preview the video: Before committing to watching a complete video, skim through it to ensure it meets your requirements. This will help you avoid wasting time on irrelevant or poorly explained content.

Conclusion:
Videos can be a valuable resource for learning, but finding high-quality and understandable ones can be a challenge. By following the tips mentioned above and using platforms like EduRev, you can access a wide range of subject-specific videos that are designed to help Class 7 students understand their topics effectively. Remember to choose videos from reputable sources, preview them before watching, and read comments and descriptions to ensure they meet your needs.