Q1 Approximately how many human beings have ever lived?
○ 7 billion
○ 56 billion
○ 107 billion
○ 321 billion
Q2 What is a sea cucumber?
○ A marine animal
○ A type of coral
○ An edible seaweed
○ A type of rock
Q3 What’s the coldest core temperature a human has survived?
○ 1.2 degrees Celsius
○ 8.2 degrees Celsius
○ 13.2 degrees Celsius
○ 22.2 degrees Celsius
Q4 What’s the half-life of Plutonium-244?
○ 120 seconds
○ 45.2 days
○ 24,100 years
○ 81 million years
Q5 How fast was Curiosity travelling when it reached the Martian atmosphere?
○ 32 miles per hour
○ 3,200 miles per hour
○ 8,200 miles per hour
○ 13,200 miles per hour
Q6 What type of star is the Sun?
○ G-type (yellow dwarf)
○ K-type (orange dwarf)
○ O-type (blue giant)
○ F-type (white giant)