Challenging Science Quiz
Hepatitis' affects which major organ?
What soft metal combines with chlorine to make table salt?
In Roman numerals, an I is a 1, a V is a 5 and an X is a 10. What is 0?
What does the word "constellation" mean?
What famed rock is 1396 feet high, 2.75 miles long, and .25 miles wide?
Robert Edwards, a pioneer of in vitro fertilization, won the Nobel Prize in Medicine in 2010. He's considered the father of what medical advance?
According to Newton's third law, what do you get for every action?
What inventor used to make all employees write an "exceedingly simple" 150-question trivia test so tough even Albert Einstein failed it?
Polyamide is better known as what?
Which of these is the name, not of a cloud, but of an ancient mound of earth on a tomb or grave?
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Extremely hard mixed knowledge quiz, how many did you answer correctly?
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Extremely Hard History Quiz, most people score only 3 out of 10.
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We bet you don't know a thing about who invented these things!