World Mountains, Rivers and Oceans
Expand your geographical knowledge with this essential reference flashcard deck covering the world's most significant physical features — the highest mountains, longest rivers, deepest ocean trenches, largest lakes, and key oceanic facts. These facts are essential for geography competitions, quizzes, GCSE and A-Level examinations, and building an overall picture of Earth's physical geography. Cards also include continental records and key geographical extremes. Based on publicly available data from the USGS, National Geographic, and CIA World Factbook.
All Cards in This Deck
Question
What is the highest mountain in the world?
Answer
Mount Everest — 8,849 m (29,032 ft). Located in the Himalayas on the border of Nepal and Tibet (China). First summited by Edmund Hillary and Tenzing Norgay on 29 May 1953.
Question
What are the top 5 highest mountains in the world?
Answer
1. Everest (8,849 m) — Nepal/Tibet. 2. K2 (8,611 m) — Pakistan/China. 3. Kangchenjunga (8,586 m) — Nepal/India. 4. Lhotse (8,516 m) — Nepal/Tibet. 5. Makalu (8,485 m) — Nepal/Tibet. All five are in the Himalayas/Karakoram.
Question
What is the longest river in the world?
Answer
Nile River — approximately 6,650 km (4,130 miles). Flows northward through 11 countries in northeast Africa, emptying into the Mediterranean Sea. (Note: Amazon River is close — some studies give it priority.)
Question
What is the largest river by volume (discharge)?
Answer
Amazon River — carries ~20% of all freshwater flowing into the world's oceans. Located in South America, flowing through Brazil. Drains the Amazon rainforest basin (~7 million km²).
Question
What are the world's five longest rivers?
Answer
1. Nile (6,650 km) — Africa. 2. Amazon (6,400 km) — South America. 3. Yangtze (6,300 km) — Asia (China). 4. Mississippi-Missouri (6,275 km) — North America. 5. Yenisei-Angara (5,539 km) — Asia (Russia).
Question
What is the deepest point in the world's oceans?
Answer
Challenger Deep in the Mariana Trench, western Pacific Ocean — approximately 11,034 m (36,201 ft) deep. Located near Guam. Deepest known point on Earth's surface.
Question
What are the world's five oceans?
Answer
Pacific (largest — 165 million km²), Atlantic, Indian, Southern (Antarctic — recognized as 5th ocean in 2000), Arctic (smallest). The Pacific Ocean alone covers more area than all land on Earth.
Question
What is the largest lake in the world?
Answer
Caspian Sea — 371,000 km² (technically a lake as it is landlocked). If only freshwater lakes: Lake Superior (82,100 km²) in North America. Lake Baikal (Russia) is the world's deepest lake (1,642 m).
Question
What is the Great Rift Valley?
Answer
A 6,000 km system of geological rifts running from northern Syria to Mozambique in east Africa. Contains many lakes: Tanganyika (world's 2nd deepest), Malawi, Victoria. Caused by the African and Somali plates diverging.
Question
What are the world's seven continents and their largest countries?
Answer
Asia (Russia — partly), Africa (Algeria), North America (Canada), South America (Brazil), Antarctica (no countries), Europe (Russia — partly), Australia/Oceania (Australia).
Question
What is the highest mountain on each continent (Seven Summits)?
Answer
Asia: Everest (8,849m). South America: Aconcagua (6,961m). North America: Denali (6,190m). Africa: Kilimanjaro (5,895m). Europe: Elbrus (5,642m). Antarctica: Vinson Massif (4,892m). Australia/Oceania: Puncak Jaya (4,884m) or Kosciuszko (2,228m).
Question
What is the longest mountain range in the world?
Answer
The Andes — approximately 7,000 km long, running along the entire western coast of South America through Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.
Question
What is the largest desert in the world?
Answer
Antarctic Desert — approximately 14.2 million km². Most people say the Sahara (9.2 million km²) as the largest hot desert. The Sahara is the world's 3rd largest desert overall.
Question
What is the Amazon Basin and why is it significant?
Answer
A vast drainage basin (~7 million km²) in South America drained by the Amazon River and its 1,100+ tributaries. Contains the world's largest tropical rainforest. Home to ~10% of all Earth's species.
Question
What are the major mountain ranges of the world?
Answer
Himalayas (Asia — highest), Andes (S America — longest), Rockies (N America), Alps (Europe), Appalachians (N America), Urals (Europe-Asia border), Atlas (Africa), Great Dividing Range (Australia), Caucasus (Europe/Asia).
Question
What is the Dead Sea and why is it significant?
Answer
A hypersaline lake on the Jordan-Israel border — the lowest point on Earth's surface at ~430 m below sea level. 10× saltier than the ocean — nothing can live in it. Shrinking due to water diversion.
Question
What is the Sahara Desert and how large is it?
Answer
The world's largest hot desert — ~9.2 million km² covering most of North Africa. Countries include Morocco, Algeria, Libya, Egypt, Sudan, Mali, Niger, Chad, Mauritania. Expanding southward (desertification) into the Sahel.
Question
What is the Pacific Ring of Fire geographically?
Answer
A ~40,000 km horseshoe-shaped zone around the Pacific Ocean with 75% of Earth's active volcanoes. Follows the plate boundaries of the Pacific Plate. Includes the Andes, Cascades, Japan, Philippines, and New Zealand.
Question
What are the world's major rivers in Asia?
Answer
Yangtze (longest in Asia, 6,300 km), Yellow River/Huang He (China), Mekong (SE Asia), Ganges (India), Indus (Pakistan), Brahmaputra (Tibet/India/Bangladesh), Ob-Irtysh and Yenisei (Russia/Siberia).
Question
What is the Congo River notable for?
Answer
The world's deepest river (250+ m in places) and the second largest by discharge. Located in Central Africa. Flows through the Congo Rainforest — the world's second largest tropical rainforest.