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Extremely Hard Science Quiz Even Einstein would scratch his head!
The pearl is the birthstone for which star sign?
How many types of sea urchin are there?
Lobate Scarps are a feature of which planet?
Complete the name of a famous feature on Mercury "The Caloris _____"?
Which of these is an example of a transverse wave?
How many times hotter than the sun is a lightning bolt?
Which planet shares its name with a popular chocolate bar?
What year was the first transatlantic fibre-optic cable laid?
About how many stars are in the Milky Way?
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