Titan and Enceladus are moons of which planet?
Platonism is the philosophy of which ancient Greek philosopher?
What was Albert Einstein's famous equation for relativity?
What do platelets help the blood to do?
What are a sepal, pistil and stamen all parts of?
The stars of Alnitak, Alnilam and Mintaka form a belt-like pattern in the night sky known as what?
What is the first visible colour in a rainbow (the first colour at the top)?
What is measured in knots?
What is the longest bone in the human body?
Can iron become a permanent magnet?