1. Which UK city is nicknamed the 'Steel City'?

2. What is the chemical name for H₂O?

3. Who composed the violin concerto series 'The Four Seasons'?

4. What is the capital city of Brazil?

5. Which U.S. president appears on the one-dollar bill?

6. Which continent is the largest by land area?

7. Who is credited with discovering the Americas in 1492?

8. What is the longest river in Africa?

9. Who wrote 'Charlie and the Chocolate Factory'?

10. What is the scientific name for modern humans?

11. Which country spans both Europe and Asia?

12. Who was the first African American appointed to the U.S. Supreme Court?

13. What is the chemical symbol for potassium?

14. Which planet in our solar system features the Great Red Spot?

15. Who painted 'The Persistence of Memory'?

16. What is the smallest bone in the human body?

17. Which Shakespeare play is set on a remote island and features Prospero?

18. In which U.S. state is Mount Denali located?

19. Who wrote the novel 'To Kill a Mockingbird'?

20. Which element has the atomic number 6 on the periodic table?