Class 10 Most important question CBSE Board (SCIENCE )

Here are some important questions for Science Class 10 CBSE based on the latest syllabus:

1. Explain the difference between potential and kinetic energy.
2. What is the principle of conservation of energy? Give an example to illustrate it.
3. What is meant by the term 'power'? How is it related to work done?
4. Define the term 'refraction'. Explain the phenomenon of refraction of light.
5. What is a convex lens? How does it form an image of an object placed in front of it?
6. What is the difference between a conductor and an insulator? Give examples of each.
7. Define the term 'electric current'. How is it related to the flow of charge?
8. Explain the working of an electric motor.
9. What is a chemical reaction? Give an example of a chemical reaction.
10. What is the role of catalysts in a chemical reaction?