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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1

In degrees Celsius, at what temperature does the sea start to freeze?

Question 2

What colour is the mineral beryl when it contains chromium?

Question 3

Which planet takes 29 Earth years to orbit the Sun?

Question 4

Electric current is calculated by charge divided by what?

Question 5

The pearl is the birthstone for which star sign?

Question 6

The Titanic was sunk by what?

Question 7

What name is given to a substance which reacts with an acid to form a salt plus water?

Question 8

About how many stars are in the Milky Way?

Question 9

What is the oldest a seahorse can live?

Question 10

Janus is a moon of which planet?