Topic Details (Notes format)

What is the primary component of natural gas?

In which layer of the Earth do convection currents drive plate tectonics?

Which Greek scientist first calculated Earth’s circumference fairly accurately in the 3rd century BC?

Which is the fastest land animal?

Who is credited with discovering the sea route to India?

What is the name of Earth’s largest satellite?

Which continent is known as the "Dark Continent"?

Which subatomic particles bind quarks together, carrying the strong force?

What is the world’s largest coral reef system?

Which Greek philosopher taught Alexander the Great?