There are several supplementary videos and animations available for the topics covered in the Science textbook. These resources can be extremely helpful in enhancing the understanding of the concepts taught in the textbook. Here are some details about the available resources:

1. Online educational platforms:
Many online educational platforms like EduRev provide a wide range of videos and animations for various subjects, including Science. These platforms have dedicated sections for different topics covered in the Science textbook, making it easy for students to find relevant resources.

2. YouTube:
YouTube is another great source for finding supplementary videos and animations for Science topics. There are numerous educational channels that offer high-quality content specifically designed for students. These videos often provide visual demonstrations, experiments, and explanations that complement the textbook material.

3. Educational websites:
Several educational websites offer interactive animations and simulations for Science topics. These resources allow students to explore concepts in a more engaging and visual manner. They often provide step-by-step explanations and interactive elements that help in understanding complex ideas.

4. Educational apps:
There are also educational apps available for smartphones and tablets that offer supplementary videos and animations for Science topics. These apps provide a convenient way to access resources on-the-go and often include quizzes and interactive elements to reinforce learning.

5. Open educational resources:
Many organizations and institutions provide open educational resources (OER) that include videos, animations, and other multimedia materials for Science education. These resources are freely available online and can be accessed by anyone.

6. Teacher-created resources:
Teachers often create their own videos and animations to supplement the textbook material. These resources are often shared on educational websites or platforms and can provide a unique perspective and additional explanations to help students grasp the concepts better.

In conclusion, there are various supplementary videos and animations available for the topics covered in the Science textbook. These resources can be found on online educational platforms, YouTube, educational websites, apps, open educational resources, and teacher-created materials. They offer visual demonstrations, simulations, and explanations that enhance understanding and make learning more engaging.