Topic Details (Notes format)

Which ancient Greek philosopher taught by asking questions, later tried for corrupting the youth?

Which element has the chemical symbol "Cu"?

Which empire built the monumental Hagia Sophia in Constantinople (now Istanbul) in the 6th century?

Which mathematician introduced the Cartesian coordinate system in ‘La Géométrie’?

Which is the second-largest continent on Earth by land area?

Which mathematician discovered the ‘Eureka’ moment about buoyancy while in a bathtub?

In astronomy, which term describes the apparent path of the Sun across the sky over a year?

Who invented the airplane with the first successful powered flight?

In American history, which conflict was fought from 1861 to 1865 between the Union and Confederacy?

Which part of the ocean floor is a long, steep-sided depression, usually deeper than 6,000 meters?