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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1
Which of these is NOT an elemental gas?
Question 2
Seven muscles make up the calf, which is anchored to the heel bone by the tendon calcaneus, better known by what name?
Question 3
What term describes the overflowing of rivers or streams?
Question 4
When a gas changes into a liquid it is called what?
Question 5
A unit of length equal to one billionth of a metre is known as a what?
Question 6
Insects gather nectar from plants and store it in a special stomach, until it is time to be regurgitated in new form. So, what is honey?
Question 7
What sterile animal is produced when a male donkey breeds with a female horse?
Question 8
What does Earth's tilted axis mainly affect?
Question 9
In which of these countries could you natively see the Big Five safari animals?
Question 10
Which of the following animals is not a member of the Order Carnivora?
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