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  1. List of countries and dependencies by area; List of countries and dependencies by population; List of countries and dependencies by population density; List of countries by past and projected future population; List of countries by population in 1900; List of countries by population in 2005; List of countries by population in 2010

    • Matt Rosenberg
    • 2 min
    • Asia, the Largest Continent. Asia is by far the largest continent in the world, spanning 17.2 million square miles (44.6 million square kilometers). Being the largest geographically also puts Asia at an advantage population-wise, as having 4.6 billion of the world's 7.7 billion-person population.
    • Africa. Africa is No. 2 on both lists: population and size. In area, it spans 11.6 million square miles (30 million square kilometers). Its population is estimated at 1.3 billion.
    • North America. North America is where area and population diverge in their rankings because this continent's population is not growing as fast as Asia's.
    • South America. South America is the fourth-largest continent, spanning 6.9 million square miles (17.8 million square kilometers). It is fifth on the world population list, with 431 million people living there.
    • Building the Continents. Earth formed 4.6 billion years ago from a great, swirling cloud of dustand gas. The continuous smashing of space debrisand the pull of gravitymade Earth's coreheat up.
    • Wandering Continents. If you could visit Earth as it was millions of years ago, it would look very different. The continents have not always been where they are today.
    • Continental Features. The surface of the continents has changed many times because of mountain building, weathering, erosion, and build-up of sediment. Continuous, slow movement of tectonic plates also changes surface features.
    • North America. North America, the third-largest continent, extends from the tiny Aleutian Islands in the northwest to the Isthmusof Panama in the south.
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  3. Learn about the seven continents of the world, their land area, population, GDP, and description. Compare and contrast the continents using maps, charts, and facts.