How many continents are there? Depends on where you went to school

Ask a class in the United States and they'll say seven continents. Ask in France, Brazil, or much of Europe and Latin America and you'll hear six — because they treat North and South America as a single continent called "the Americas." In parts of the Spanish- and Portuguese-speaking world, the same six-continent model also merges Europe and Asia into Eurasia, arriving at six a different way. There is no single global answer.

Why the disagreement? Because a "continent" isn't a strict scientific unit — it's partly geology and partly cultural convention. Europe and Asia sit on one continuous landmass with no ocean between them, yet tradition splits them at roughly the Ural Mountains. Meanwhile the Americas are joined only by the thin Isthmus of Panama, yet English-speaking countries still count them separately.

Some geologists prefer to talk about landmasses or tectonic plates instead, which don't line up neatly with the schoolbook continents either. And newer proposals argue for a submerged eighth continent, Zealandia, mostly hidden beneath the ocean around New Zealand. The lesson: the map you memorized reflects a choice, not a law of nature.