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Try to get a 5 or better in this hard science quiz.
Question 1 of 10
On the Mohs scale the hardest substance is diamond - what's the softest?
Question 2 of 10
What is the name for the boundary around a black hole, beyond which events cannot affect the observer?
Question 3 of 10
What are the lungs covered with?
Question 4 of 10
Cats are born with which colour eyes?
Question 5 of 10
I am the galaxy closest in light years to the Milky Way Galaxy?
Question 6 of 10
Which branch of science did young Carl Sagan tell his grandfather he wanted to practice?
Question 7 of 10
A particle of light, unit of electromagnetic energy is also known as what?
Question 8 of 10
What is the biggest shark in the world?
Question 9 of 10
Where is the humerus bone located?
Question 10 of 10
Which percentage of the worlds population has an I.Q. of 120 or more ?