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Test your knowledge of rivers, mountains, deserts and oceans around the globe!
1. Which desert is the largest in the world?
💡 The Antarctic Desert is the largest desert at 14.2 million km² — deserts are defined by low precipitation, not heat, so Antarctica qualifies.
2. What is the largest country in South America by area?
💡 Brazil covers 8.51 million km² — making it the largest country in South America and the fifth largest in the world.
3. Which African country has the largest population?
💡 Nigeria has approximately 220 million people — Africa's most populous country and the sixth most populous in the world.
4. Which country has the longest coastline in the world?
💡 Canada has the world's longest coastline at 202,080 km — including its mainland coast and offshore islands along three oceans.
5. Which is the deepest lake in the world?
💡 Lake Baikal in Siberia, Russia reaches 1,642 metres deep and holds about 20% of the world's unfrozen fresh surface water.
6. Which country is home to Angel Falls, the world's highest waterfall?
💡 Angel Falls in Venezuela drops 979 metres — the world's highest uninterrupted waterfall, located in Canaima National Park.
7. The island of Madagascar lies off the coast of which continent?
💡 Madagascar is located in the Indian Ocean about 400 km off the southeastern coast of Africa — it is the world's fourth largest island.
8. Which country do the Galapagos Islands belong to?
💡 The Galapagos Islands are a territory of Ecuador, located 900 km off its Pacific coast — famous for inspiring Darwin's theory of evolution.
9. Which canal connects the Red Sea to the Mediterranean Sea?
💡 The Suez Canal opened in 1869 and connects the Mediterranean to the Red Sea — shortening the Europe-to-Asia sea route by about 7,000 km.
10. Which country contains the most of the Amazon Rainforest?
💡 Brazil contains approximately 60% of the Amazon Rainforest — the world's largest tropical rainforest at 5.5 million km².
11. The Strait of Gibraltar separates which two continents?
💡 The Strait of Gibraltar is a narrow waterway just 14 km wide at its narrowest point, separating Spain (Europe) from Morocco (Africa).
12. Which sea lies between Italy and the Balkans?
💡 The Adriatic Sea separates the Italian Peninsula from the Balkans (Slovenia, Croatia, Bosnia, Montenegro, Albania) and connects to the Mediterranean.
13. Which mountain range separates Europe from Asia?
💡 The Ural Mountains stretch 2,500 km through Russia and form the traditional geographic boundary between Europe and Asia.
14. What is the largest island in the world?
💡 Greenland covers 2.17 million km², making it the world's largest island — though Australia is larger, it is classified as a continent.
15. Through how many countries does the Danube River flow?
💡 The Danube flows through 10 countries: Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, and Ukraine — more than any other river.