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Geography?

Countries, oceans, mountains, and the border disputes between them. 35 questions and counting.

How many continents are there?Depends where you went to school. English-speaking countries teach seven, much of Europe and Latin America teach six by…
How many countries are there in the world?195 is the standard answer: 193 UN member states plus two observers, Vatican City and Palestine. But the real number is…
What is the largest country in the world?Russia, by a huge margin, spanning about 6.6 million square miles across eleven time zones and two continents. It is nearly…
What is the tallest mountain in the world?Everest is the highest above sea level at 29,032 feet, but Mauna Kea in Hawaii is taller base to peak, most of it…
What is the difference between the UK, Great Britain, and England?England is one country; Great Britain is the island holding England, Scotland, and Wales; the UK adds Northern Ireland. So…
What is the difference between weather and climate?Weather is what is happening now, today's rain or heat; climate is the long-term average over decades. Weather is your mood…
Why do heavy ships float but a small rock sinks?It is about density and displacement, not weight. A steel ship is hollow, so the whole thing averages out lighter than…
Why does Greenland look so huge on maps?Map distortion. The common Mercator projection stretches areas near the poles, so Greenland looks as big as Africa when…
Why is the ocean blue?Water itself absorbs red light and scatters blue, so deep water genuinely is blue, not just reflecting the sky. That is why…
How many oceans are there?Five, by current convention: Pacific, Atlantic, Indian, Arctic, and Southern. Physically there is one connected world ocean…
What is the largest desert in the world?Antarctica, which surprises people. A desert is defined by low precipitation rather than heat or sand, and Antarctica…
What is the capital of Australia?Canberra, not Sydney or Melbourne. It exists because those two cities could not agree which should be the capital, so a new…
Is the Bermuda Triangle actually dangerous?No. Insurers do not charge higher rates for it and the Coast Guard does not recognize it as unusually hazardous…
How many states and territories does the United States have?Fifty states, one federal district, and five permanently inhabited territories: Puerto Rico, Guam, the US Virgin Islands…
Why does the Amazon matter so much?It holds around a tenth of known species, stores an enormous amount of carbon, and generates its own rainfall. The claim…
What is the difference between latitude and longitude?Latitude lines run horizontally and measure north to south from the equator; longitude lines run vertically and measure east…
What is the deepest part of the ocean?Challenger Deep in the Mariana Trench, about 36,000 feet down. Everest would fit inside with more than a mile of water above…
What is the International Date Line?An imaginary line near 180 degrees longitude where the calendar date changes. Cross it westbound and you lose a day…
What is the longest river in the world?Traditionally the Nile, at about 4,130 miles, but it is genuinely contested: many scientists argue the Amazon is longer…
What is the most spoken language in the world?By total speakers, English leads at over 1.5 billion, most of them second-language learners. By native speakers, though…
What is the smallest country in the world?Vatican City, at about 0.17 square miles, smaller than many city parks and home to roughly 800 people. It is an independent…
What is the difference between a sea and an ocean?Oceans are the vast open bodies of saltwater; seas are smaller, usually partly enclosed by land, and often part of an ocean…
Why do we have time zones?Because the Earth rotates, so noon happens at different moments in different places. Before railroads, every town set clocks…
Why does Australia have so many dangerous animals?Long isolation. Australia broke off from other continents around 100 million years ago, so its wildlife evolved separately…
Why is it hotter at the equator?Because the equator faces the sun most directly, so sunlight hits concentrated on a small area. Near the poles the same…
Why is the Dead Sea so salty?Because water flows in and only leaves by evaporating, concentrating minerals for millennia. At roughly ten times ocean…
Why is Greenland icy and Iceland green?The names are partly marketing. Norse sagas say Erik the Red named Greenland to attract settlers. Iceland's name reportedly…
What is the Ring of Fire?A horseshoe-shaped belt around the Pacific Ocean where tectonic plates collide, producing about 75 percent of the world's…
What is the difference between an island and a continent?There is no scientific threshold, only convention. Australia is called a continent and Greenland an island despite both…
What is the largest lake in the world?The Caspian Sea by area, though whether it counts as a lake or a sea has been a genuine legal dispute worth billions in oil…
Why do some countries drive on the left?About a third of the world does, mostly former British territories. Left-hand traffic likely predates cars, tracing to…
What are the Great Lakes, and how much water do they hold?Superior, Michigan, Huron, Erie, and Ontario, holding about 21 percent of the world's surface fresh water. Michigan and…
How does the Panama Canal work?A system of locks lifts ships about 85 feet up to a man-made lake, carries them across the isthmus, and lowers them on the…
Do rivers only flow south?No, and the belief is a map artifact. Rivers flow downhill, and direction on a map has nothing to do with it. The Nile flows…
Why does China have one time zone and Russia have eleven?Because time zones are political decisions rather than astronomical ones. China spans about five geographic zones and uses a…