1. What is the meaning of sphere?

2. What is meant by radius of sphere?

3. What are the properties of a sphere?

4. Which are some examples of spheres in everyday life?

5. What is meant by Hemisphere?

6. What is the difference between Sphere and Hemisphere?

7. How many faces a sphere has?

8. What is meant by surface area of a sphere?

9. What is the formula for calculation of surface area of a sphere?

10. What is meant by volume of a sphere and how it is calculated?

11. What is meant by “π” in the formula for calculation of a sphere?

12. How to find the volume of a sphere when radius is given?

13. How to calculate the amount of water displaced by a solid spherical ball when diameter of the sphere is known?

14. How to calculate the amount of water displaced by a solid sphere when diameter of the sphere is known?

15. How to calculate the mass of a metallic ball when the diameter of the metallic ball and density of the metal are given?

16. What fraction of volume of earth is the volume of the moon when diameter of moon and earth are given?

17. How to calculate the volume of sphere when surface area of sphere is given?

18. How to calculate the medicine needed to fill capsule when the diameter of spherical capsule is given?

19. How to calculate the radius and surface area of new sphere when a large number of spheres are melted to form a new sphere?