There are several online platforms and apps that can help you practice Science concepts for CBSE Class 1. One such platform is EduRev, which offers a wide range of resources and study materials specifically designed for CBSE curriculum.

1. EduRev Online Platform:
- EduRev provides access to a vast collection of study materials, including interactive videos, quizzes, and practice questions.
- The platform is user-friendly and offers a seamless learning experience.
- It covers all the Science concepts taught in CBSE Class 1 and provides detailed explanations for better understanding.
- You can access the platform from any device with an internet connection, making it convenient for students to study anytime, anywhere.
- EduRev also offers personalized learning recommendations based on your performance, helping you focus on areas that need improvement.

2. Interactive Videos:
- EduRev provides interactive videos that explain Science concepts in an engaging manner.
- These videos make learning fun and help in better retention of information.
- The videos are designed to cater to the specific needs of CBSE Class 1 students, ensuring that the content is age-appropriate and easy to understand.

3. Quizzes:
- EduRev offers quizzes to test your understanding of Science concepts.
- These quizzes are designed to assess your knowledge and provide instant feedback.
- The quizzes cover a wide range of topics and help you identify areas where you need to focus more.

4. Practice Questions:
- EduRev provides a large number of practice questions for each Science concept.
- These questions are carefully curated to cover all aspects of the topic.
- By practicing these questions, you can enhance your problem-solving skills and reinforce your understanding of the concepts.

In conclusion, EduRev is a reliable online platform that offers various resources, including interactive videos, quizzes, and practice questions, to help you practice Science concepts for CBSE Class 1. It provides a comprehensive learning experience and ensures that you have a solid foundation in Science.