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10 knowledge questions
Question 1 of 10
Which country was formerly known as Persia?
Question 2 of 10
What is the chemical symbol for potassium?
Question 3 of 10
Which U.S. state is the only one made up entirely of islands?
Question 4 of 10
Who developed the theory of evolution by natural selection?
Question 5 of 10
What is the currency of Japan?
Question 6 of 10
Which famous battle took place in 1066?
Question 7 of 10
What is the name of the layer of gases surrounding Earth?
Question 8 of 10
Which famous structure was built to protect China from invasions?
Question 9 of 10
In computing, what does “CPU” stand for?
Question 10 of 10
Who painted the ceiling of the Sistine Chapel?