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Extremely Hard Science Quiz Even Einstein would scratch his head!
Electrical charge is caused by the movement of what?
Aoede and Iocaste are moons of which planet?
In an element the number of protons is equal to the number of what?
Which of these have a positive charge?
How many moons orbit Mars?
What is the rarest penguin in the world?
What is the largest sea fish?
Which of these surfaces is reflective?
What is the second most abundant element in the Universe?
The Japanese Spider Crab can grow to what length?
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