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Extremely Hard Science Quiz Even Einstein would scratch his head!
Yogurt is produced by bacterial fermentation of what?
The sea creature named 'Slippery Dick' is a what?
Mimas is a moon of which planet?
Sonar is an acronym for sound navigation and what?
Which planet is the smallest of the "Gas giants"?
Which of these is defined as a chemical substance that consists of just one type of atom?
The Narwhal is what type of sea creature?
The solid state of water is known as what?
How long can a dolphin stay under water?
Which of these does not use plasma?
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Math Quiz
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Do you remember the 50s?