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Extremely Hard Science Quiz Even Einstein would scratch his head!
Question 1
Which of these surfaces is reflective?
Question 2
Sonar is an acronym for sound navigation and what?
Question 3
Which of these is NOT an organic compound?
Question 4
In physics, which Greek letter is used to denote wavelength?
Question 5
What is the oldest a seahorse can live?
Question 6
A group of jellyfish is called what?
Question 7
Which planet shares its name with a popular chocolate bar?
Question 8
The 'Russian Wreck' lies in which sea?
Question 9
Protons and neutrons have approximately the same what?
Question 10
What is the rarest penguin in the world?
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