Oceans and Continents
Water covers 71 percent and land 29 percent of Earth's surface; seven continents and five oceans form its largest first-order divisions.
Topic article hub
6 bilingual articles
Oceans and Continents: Earth's First-Order Landforms
Water covers 71 percent and land 29 percent of Earth's surface; seven continents and five oceans form its largest first-order divisions.
Open article →Oceans and Continents: Seas and Geographic Measurement
Oceans are vast water expanses, while seas are wholly or partly land-enclosed; area, depth and latitude provide consistent comparisons.
Open article →Oceans and Continents: Pacific Ocean Boundaries and Scale
The Pacific is Earth's largest and deepest ocean, bounded by Asia and Australia westward and the Americas eastward.
Open article →Oceans and Continents: Atlantic Ocean Shape and Connections
The Atlantic is the second-largest ocean, S-shaped between the Americas and Europe-Africa, with a key Mediterranean connection.
Open article →Oceans and Continents: Indian Ocean Boundaries and Straits
The triangular Indian Ocean is bounded by Africa, Asia and Australia and linked to the Pacific through the Strait of Malacca.
Open article →Oceans and Continents: Southern and Arctic Polar Oceans
The Southern Ocean encircles Antarctica at 60°S, while the smaller Arctic Ocean lies within the Arctic Circle and remains largely frozen.
Open article →Article access
Preview freely, then unlock focused reading
Each permanent article page includes its summary, learning context and sources. Registration unlocks all complete bilingual articles for 24 hours; Annual All Access continues afterward for ₹1,499/year.