Science Quiz #858
A new science quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Q1. Which of these is subject to scientific debate about whether it is a bear (classified in the Family “Ursidae”), a raccoon (a "Procyonidae") or a type all of its own ("Ailuridae")?
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Q2. What medium had its first test with a recording of Richard Strauss's "Eine Alpensinfonie" by the Berlin Philharmonic conducted by Herbert von Karajan in 1981, and its first commercial pressing with "The Visitors" by ABBA a year later?
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Q3. What is the name for the phenomenon, e.g., in magnetic and ferromagnetic materials and in the elastic, electric, and magnetic behaviour of materials, in which a lag occurs between applying or removing a force or field and its subsequent effect?
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Q4. Pi, a mathematical constant whose value is the ratio of a circle's circumference to its diameter, is the same value as what other ratio?
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Q5. What is a lunula?
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Q6. Which of these is an acute disease that affects humans and animals, caused by inhaling or ingesting bacterial spores that are able to survive in harsh conditions for extremely long periods of time?
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Q7. How is storm intensity measured?
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