1. Who discovered gravity after observing a falling apple?

2. Who developed the theory of relativity?

3. Who wrote The Origin of Species?

4. Who discovered electricity with his kite experiment?

5. Who invented the telephone?

6. Who is credited with inventing the light bulb?

7. Who invented the World Wide Web?

8. Who discovered penicillin in 1928?

9. Who was the first woman to win a Nobel Prize?

10. Who was the first woman in space?

11. Who was the ancient Greek philosopher sentenced to death by poison hemlock?

12. Who was the Greek philosopher who taught Alexander the Great?

13. Who was known as the “Father of Modern Physics”?

14. Who was the African American scientist and inventor known for work with peanuts?

15. Who was the Italian explorer who completed four voyages across the Atlantic?