There are several videos available online that provide demonstrations and explanations of practical experiments or activities for Class 5 students. These videos can be a great resource for visual learners and can help in better understanding the concepts through hands-on demonstrations. Here are a few examples:

1. Science Experiments for Class 5:
- This video showcases various science experiments that can be performed by Class 5 students. It covers experiments on topics like water density, surface tension, and chemical reactions. The video provides step-by-step instructions and explanations for each experiment, making it easy for students to follow along.

2. Math Activities for Class 5:
- This video focuses on math activities and games that can help Class 5 students practice and reinforce their mathematical skills. It includes activities like number patterns, fraction games, and mental math challenges. The video explains the rules and objectives of each activity, allowing students to actively participate and learn in a fun way.

3. English Grammar Lessons:
- This video series provides interactive lessons on English grammar for Class 5 students. It covers topics like parts of speech, sentence structure, and punctuation. The videos include examples and practice exercises to help students understand and apply the grammar rules effectively.

4. Social Studies Projects:
- This video demonstrates various social studies projects that Class 5 students can undertake to enhance their understanding of history, geography, and civics. It includes projects like creating a timeline, building a model of a historical monument, and conducting a mock election. The video provides clear instructions and guidelines for each project, making it easy for students to complete them independently.

5. Art and Craft Ideas:
- This video presents a collection of art and craft ideas suitable for Class 5 students. It includes projects like paper quilling, origami, and clay modeling. The video provides step-by-step instructions and visual demonstrations, allowing students to explore their creativity and develop their artistic skills.

These videos can be accessed on the EduRev platform, which offers a wide range of educational resources for students of all grades. By watching these videos, Class 5 students can engage in hands-on learning experiences and develop a deeper understanding of various subjects.