Topic Details (Notes format)

Which American inventor was called the ‘Wizard of Menlo Park’?

What are the two main gases in Earth’s atmosphere?

What is the smallest unit of matter that retains the properties of an element?

Which country is known for its fjords and Viking heritage, located in Northern Europe?

Which Greek mathematician is known as the Father of Geometry?

Who discovered the Van Allen radiation belts?

Which Indian festival celebrates the bond between brothers and sisters?

Who discovered the telephone?

What is the primary ingredient in the manufacture of cement?

Which strait separates Africa from Europe?