World History Exam 9 / 10
Exploration, Ideas & Inventions
Galileo observed that Venus goes through a full set of phases. Which idea did this observation support?
About this quiz
Explore world history from early civilizations to the modern era, with familiar people, places, and turning points.
How to play
- 1 Answer 10 multiple-choice questions in each of 10 rounds.
- 2 Use the image as evidence when a question includes one.
- 3 Score at least 70 out of 100 to pass.
The challenge gets gradually harder, but no specialist knowledge or obscure dates are needed.