Practical components mentioned in the CBSE Class 4 syllabus include activities and experiments that allow students to apply theoretical knowledge in a hands-on manner. These practical components are designed to enhance the learning experience and develop key skills such as observation, critical thinking, and problem-solving abilities. Here are some of the practical components mentioned in the syllabus:

1. Science Experiments:
- The Class 4 syllabus includes various science experiments that cover topics such as water, air, plants, animals, and the human body.
- Students are encouraged to perform experiments like testing solubility, making a model of the digestive system, investigating magnets, and observing the growth of plants.
- These experiments help students understand scientific concepts through practical application and foster a spirit of inquiry.

2. Mathematics Activities:
- The syllabus includes activities that reinforce mathematical concepts and skills.
- Students engage in activities like measuring the length of objects using a ruler, estimating and measuring the capacity of containers, and solving real-life problems involving money.
- These activities promote mathematical thinking, measurement skills, and the ability to apply mathematical concepts in everyday situations.

3. Language Skills:
- The Class 4 syllabus emphasizes the development of language skills through practical exercises.
- Students are encouraged to engage in activities like reading aloud, storytelling, role-playing, and creative writing.
- These activities enhance vocabulary, fluency, comprehension, and creative thinking.

4. Social Science Projects:
- The syllabus includes projects that enable students to explore various aspects of society, history, and geography.
- Students may undertake projects like creating a model of a historical monument, researching and presenting information about a famous personality, or making a map of their local area.
- These projects develop research skills, presentation skills, and a deeper understanding of social sciences.

5. Computer Applications:
- The Class 4 syllabus introduces basic computer applications and skills.
- Students learn to use word processing software, create presentations, and explore educational websites.
- These activities enhance digital literacy, typing skills, creativity, and the ability to use technology for learning purposes.

Overall, the practical components mentioned in the CBSE Class 4 syllabus provide opportunities for students to actively engage in the learning process, develop practical skills, and deepen their understanding of various subjects.