If you're like most people, what can't you do with your eyes open?
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Question 2 of 10
Three tiny bones called ossicles are nicknamed the hammer, anvil and stirrup. And they are indispensable. To what?
Question 3 of 10
What element shares its name with a planet ? even though we don't think that element is found anywhere on that planet?
Question 4 of 10
C is the chemical symbol for which element with the atomic number 6?
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Question 5 of 10
What reduces the efficiency of machines, because it turns kinetic energy into heat?
Question 6 of 10
I invented the ice calorimeter, a filter pump and the zinc-carbon electric cell, but my name is attached to one of Michael Faraday's inventions, a gas burner that produces a steady, smokeless flame. Who am I?
Question 7 of 10
What theory proposes that Earth's landmasses were once connected and drifted apart?
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Question 8 of 10
What continent is home to a flightless bird called the emu?
Question 9 of 10
What black and red butterfly migrates to Canada from Mexico, using internal "compasses" to track its position relative to the sun?
Question 10 of 10
At Queens University in Ontario, Barrie Frost somehow got what bird on a treadmill, where its characteristic head-bobbing stopped?
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Extremely Hard History Quiz, most people score only 3 out of 10.
Everybody likes music, but how much do you know about it?