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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1

Which planet has a day which lasts the equivalent of 176 Earth Days?

Question 2

The first technical submarine was built in Germany in which year?

Question 3

The angle of reflection is equal to the angle of what?

Question 4

What is the second most abundant element in the Universe?

Question 5

Which of these is defined as a chemical substance that consists of just one type of atom?

Question 6

What is the pH value of seawater?

Question 7

Electric power is typically measured in what units?

Question 8

Janus is a moon of which planet?

Question 9

All dinosaurs lived where?

Question 10

Which planet shares its name with a popular chocolate bar?