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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1
Which of these is NOT true of helium?
Question 2
CO2 is the chemical formula for which gas?
Question 3
A stegosaurus had which of these?
Question 4
All dinosaurs lived where?
Question 5
Who many species of seahorses are there?
Question 6
Telesto is a moon of which planet?
Question 7
Which sea does the European Eel spawn?
Question 8
What percentage of marine fish species inhabit coral reefs?
Question 9
What is the pH value of apple juice?
Question 10
Which planet is the smallest of the "Gas giants"?
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