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Extremely Hard Science Quiz Even Einstein would scratch his head!
The pearl is the birthstone for which star sign?
Pan is a moon of which planet?
In 1693 Giovanni Zupi observed that which planet actually orbited the sun?
Which famous scientist first theorized the existence of photons?
What name is given to horizontal rows of elements in the Period Table?
How many electrons does carbon have in its outer shell?
Amazonis Planum is a period of which planets history?
In physics, the turning effect of a force is called the what?
Which of these metals can be added to gold to make 'white gold'?
A molecule that can act as an acid or a base is described as what?
We selected 3 interesting quizzes for you
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We bet you don't know a thing about who invented these things!
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Can you beat the score of this nurse?
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Extremely Hard History Quiz, most people score only 3 out of 10.