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Extremely Hard Science Quiz Even Einstein would scratch his head!
Electric current is calculated by charge divided by what?
What is the rarest penguin in the world?
Hematite makes up the surface of which planet?
In 1693 Giovanni Zupi observed that which planet actually orbited the sun?
What is the atomic mass of oxygen?
In chemistry, what is the island of stability?
In 1631 Pierre Gassendi made the first telescopic observation of which planet?
What do chromosomes carry?
What colour is the mineral beryl when it contains chromium?
What year was the first transatlantic fibre-optic cable laid?
We selected 3 interesting quizzes for you
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Who sang these songs from the 20s?
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We bet you don't know a thing about who invented these things!
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Extremely Hard History Quiz, most people score only 3 out of 10.