Continents are large, continuous masses of land on Earth. There are seven continents: Asia, Africa, North America, South America, Antarctica, Europe, and Australia. They vary in size, with Asia being the largest and Australia being the smallest. Continents are surrounded ...

Oceans are vast bodies of saltwater that cover about 71% of the Earth’s surface. There are five major oceans: the Atlantic, Pacific, Indian, Southern, and Arctic Oceans. Oceans play a vital role in regulating the Earth’s climate, as they store ...