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Extremely Hard Science Quiz Even Einstein would scratch his head!

Question 1
Which planet is the smallest of the "Gas giants"?
Question 2
What causes tides?
Question 3
What is Hg the chemical symbol for?
Question 4
Hematite makes up the surface of which planet?
Question 5
Electric current is calculated by charge divided by what?
Question 6
The gravity on the moon is what fraction of the gravity on Earth?
Question 7
Electric power is typically measured in what units?
Question 8
In an element the number of protons is equal to the number of what?
Question 9
CO2 is the chemical formula for which gas?
Question 10
Which of the following is not a greenhouse gas?
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