Taking the reference from “The story of a Voltaic Cell” below exercises can be solved:

1. Complete the story of electricity from Greek to Industrial Revolution.
    
2. Write the story of Astronomy, Heat, Mechanics, Optics, Hydraulics, Pneumatics and chemistry.
    
3. Write the contribution of Lavoisier in development of modern science. Write his contribution in the following sequence:
   • Routine Activity,
   • Observed Fact,
   • Question,
   • Reasoning,
   • Answer,
   • Experimentation and
   • Theory