Geography
Which river flows through London?
River Thames
Which blood type is known as the universal donor?
O negative (O−)
Who was the first President of the United States?
George Washington
Which city hosted the 2016 Summer Olympics?
Rio de Janeiro
What is the largest land animal?
Elephant (African elephant)
Which country has the longest coastline in the world?
Canada
What is the most abundant element in the universe?
Hydrogen
Which wall fell in 1989, symbolizing the end of the Cold War?
Berlin Wall
Which ocean surrounds the Maldives?
The Indian Ocean
How many hearts does an octopus have?
3
Which European country has the most islands?
Sweden
What is the largest planet in our Solar System?
Jupiter
Which civilization developed the first known written legal code, the Code of Hammurabi?
The Babylonians
Which country has the most UNESCO World Heritage Sites?
Italy
What is the largest species of big cat?
Siberian (Amur) tiger
Through which three countries does the Mekong River primarily flow before reaching Vietnam?
China, Laos, Cambodia (The Mekong also forms part of the Thailand–Laos border and flows through Myanmar briefly before reaching Vietnam.)
What is the only metal that is liquid at room temperature?
Mercury
Which treaty officially ended World War I?
The Treaty of Versailles
What is the only continent without any active volcanoes?
Australia
Which animal's fingerprints are so similar to humans' that they can confuse crime scene investigators?
Koala
What is the only national capital city through which the Equator passes?
Quito (capital and second-largest city of Ecuador)
What is the pH of pure water at room temperature?
7 (neutral)
Which civilization built the city of Machu Picchu?
The Incas
What is the world's busiest airport by passenger traffic?
Hartsfield–Jackson Atlanta International Airport (ATL)
Which animal can survive being frozen solid and later thaw back to life?
Wood frog