What are the seven continents and oceans?
The most commonly cited amount of continents is 7, which are:
- North America
- South America
- Africa
- Asia
- Australia
- Europe
- Antarctica
What are the continents in order from smallest to largest?
What are the continents from largest to smallest?
- Asia - 17,212,000 sq mi (44,579,000 sq km)
- Africa - 11,668,599 sq mi (30,221,532 sq km)
- North America - 9,540,000 sq mi (24,709,000 sq km)
- South America - 6,890,000 sq mi (17,840,000 sq km)
- Antarctica - 5,400,000 sq mi (14,000,000 sq km)
- Europe - 3,930,000 sq mi (10,180,000 sq km)
What are the 7 major oceans?
- According to NOAA, there are five ocean basins in the world - Arctic, Atlantic, Indian, Pacific, and Southern. However, there is only one Global Ocean.
- The ocean covers about 71% of the surface of the Earth.
- As per estimates, 97% of the water on our planet is found in the ocean.
- The ocean remains one of the most unexplored places on Earth. ...
What are the 7 continents and their countries?
7 continents of the world: The Earth consists of 71% and 29% landmasses. These landmasses are further divided into continents. These are Asia, Africa, Europe, North America, South America, Oceania and Antarctica. Let’s take a look at each of these continents and their countries. 1- Asia
What is the difference between an ocean and a continent?
A continent is a large continuous landmass that has a regional divide that is largely accepted by cultural conventions. An ocean is a large body of...
What are the 7 continents and 5 oceans?
The seven continents are North America, South America, Europe, Africa, Asia, Australia, and Antarctica. The five oceans are the Pacific, Atlantic,...
Why do we have 7 continents?
There are seven continents because of accepted cultural standards in the region that one grows up and lives, the cultural convention. In China, Ind...
How many continents are there?
Although the number seven is the most common for continents, there are two other widely spread and fairly accepted number of continents.
What are the 7 continents?
Juan Ramos on November 29, 2017 10 Comments ! The 7 continents of the world are North America, South America, Antarctica, Europe, Asia, Africa, and Australia. The 5 oceans of the world are the Atlantic Ocean, the Indian Ocean, the Pacific Ocean, the Southern Ocean, and the Arctic Ocean. One of the most fascinating scientific topics is the study ...
Why is it important to study continents and oceans?
Why does studying continents and oceans so important? Because if you want to understand Planet Earth, you really need to understand the planet’s surface. Most of the surface is actually covered in water (about 70%). More than 95% of it is saltwater. This saltwater surface has been organized into 5 distinct oceans, whereas the relatively small land surface we have organized into 7 distinct continents.
What is the youngest ocean on Earth?
The Southern Ocean is the “ youngest ” ocean on Earth, as it was only considered as such in the year 2000. Before then it was merely considered a southern extension of the Atlantic, the Pacific, and the Indian Oceans. This is because its waters are joined to the north with the southern portions of the Indian, the Atlantic, and the Pacific Oceans.
How many square miles are there in Africa?
Africa. This continent has a landmass of 11,670,0000 square miles or 28,489,869 square kilometers. Africa is the second continent on the planet both in terms of size and population (1,119,307,147 as of 2016). It is estimated that about 15% of the world’s population currently lives in Africa.
Why is the Southern Ocean important?
The Southern Ocean is hugely important in global weather patterns , and not just those affecting the southern hemisphere.
Which continent is bigger, Antarctica or Europe?
Antarctica is one of the smallest continents on Earth, only larger than Europe and Australia. But, even though Antarctica is larger than Europe, its population is a lot smaller in size.
How many oceans are there on Earth?
Until the year 2000, it was generally accepted that there are four oceans on Earth: the Atlantic, Pacific, Indian, and Arctic Oceans.
How much of the Earth is ocean?
The so-called “World Ocean” comprises more than 71 percent of the Earth’s surface, a whopping 320 million cubic miles of water.
What is an Ocean, Anyway?
The simple definition of an ocean is a body of salt water that’s located on and/or under the surface of a planet. An ocean is typically distinct from a planet’s surface in regards to geologic composition.
How deep is the ocean floor?
Boasting an average depth of just over 12,000 feet, the Earth’s ocean is made up of about 3.5 percent salt. Traces of every chemical element found on Earth are present in the ocean. At its deepest, the ocean floor is located more than 36,000 feet below its surface, in the Pacific Ocean’s Marina Trench. But where does one ocean end and another begin?
Why is the ocean important?
The ocean is responsible for global weather patterns and is widely considered the origin of all life on Earth. In an effort to quell the mystery of the Earth’s ocean, it has been studied and subsequently divided throughout history. And that’s where things get a little tricky — the number of oceans on Earth isn’t a uniform number.
How deep is the Indian Ocean?
With an average depth of 12,762 feet, it meets the Pacific near Australia. The Indian Ocean’s deepest point is the Java Trench.
What is the largest ocean in the world?
Pacific Ocean. The world’s largest ocean, the Pacific covers more than one-third of the Earth’s surface, a total of more than 64 million square miles. It is home to the Marina Trench, the ocean’s deepest point, as well as the volcanic system known as the “Ring of Fire.”.
What are the names of the oceans?
Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, most countries - including the United States - now recognize the Southern (Antarctic) as the fifth ocean.
Which ocean is the newest?
The Pacific, Atlantic, and Indian are the most commonly known. The Southern Ocean is the 'newest' named ocean. It is recognized by the U.S. Board on Geographic Names as the body of water extending from the coast of Antarctica to the line of latitude at 60 degrees South.
How many ocean basins are there in the world?
Image credit: Alex Stemmer/Shutterstock.com. According to NOAA, there are five ocean basins in the world - Arctic, Atlantic, Indian, Pacific, and Southern. However, there is only one Global Ocean. The ocean covers about 71% of the surface of the Earth. As per estimates, 97% of the water on our planet is found in the ocean.
Where is the Arctic Ocean located?
The smallest, coldest, and shallowest of the oceans of the world, the Arctic Ocean is located in the Northern Hemisphere’s Arctic north polar region.
What is the Arctic Ocean?
The Arctic Ocean is located in a polar climatic zone characterized by frigid year-round temperatures. Long hours of darkness engulf the ocean during winters and summers are characterized by continuous daylight. The marine habitat of the Arctic Ocean is a fragile ecosystem that is highly susceptible to slight disruptions in weather. Threatened species of whales and walruses inhabit the ocean. Plant life in the Arctic Ocean is scarce except for abundant volumes of phytoplanktons. The Lion’s mane jellyfish and the banded gunnel are among the few species of marine creatures inhabiting the Arctic Ocean’s waters. The ocean bed also hosts petroleum and natural gas fields, polymetallic nodules, and placer deposits.
What is the habitat of the Arctic Ocean?
The marine habitat of the Arctic Ocean is a fragile ecosystem that is highly susceptible to slight disruptions in weather. Threatened species of whales and walruses inhabit the ocean. Plant life in the Arctic Ocean is scarce except for abundant volumes of phytoplanktons.
What countries border the Arctic Ocean?
The countries bordering the Arctic Ocean are the US, Canada, Iceland, Greenland, Norway, and Russia. Barrow and Prudhoe Bay in Alaska; Churchill, Nanisivik, and Inuvik in Canada; Nuuk in Greenland; Kirkenes, Vardø, and Longyearbyen in Norway; and several ports like Murmansk, Tiksi, and Pevek in Russia, all lie on the Arctic coast.
How deep is the Atlantic Ocean?
The average depth of the Atlantic Ocean is 3,646 m and the Milwaukee Deep (8,380 m) in the Puerto Rico Trench, is its deepest known point.
What is the largest animal in the world?
The ocean houses a plethora of marine organisms ranging from marine microbes to the world's largest animal, the blue whale. However, although the ocean plays a major role in sustaining life on Earth, we have explored or mapped only about 20% of the ocean. The rest remains a mystery. 1. Arctic Ocean.
How many countries border the ocean?
Three quarters of the world's countries border an ocean and of these, 22 countries border two or more oceans. And about one in eight countries have at least some areas that are located below sea-level. Many of these areas or depressions are located in remote or unpopulated regions.
How many species of animals are there in the ocean?
About 243,000 animal species live in the world's oceans. They account for roughly 16% of all species discovered so far on our planet. Most marine species live in tropical waters where sea temperatures are stable and less affected by climate change.
Why are ocean currents important?
Ocean currents are important in controlling our climate as they distribute the heat from the equator to the poles. The y are important to sea life as they carry nutrients and food.
What is the temperature of the ocean?
The temperatures in the world's oceans range widely. From -2 °C / 28 °F in the Arctic and Antarctic waters up to 28 ° C/ 82 °F in the Tropics. In general, ocean water is warmer closer to the shore and near hydrothermal vents.
What is the role of the ocean in our life?
The ocean is our life support system as the ocean regulates our climate, absorbs the dangerous carbon dioxide and generates the oxygen we need to breathe. Th e World Ocean accounts for 97% of all water that exists on our planet - the other 3 % is freshwater locked up in the ice caps, rivers and lakes.
How many islands are there in the Pacific Ocean?
The Pacific Ocean houses most of the islands in t he world. There are about 25,000 islands in the Pacific Ocean. The islands entirely within the Pacific Ocean can be divided into three main groups known as Micronesia, Melanesia and Polynesia.
Which ocean covers the smallest part of the Earth?
The Atlantic Ocean is about half the size of the Pacific Ocean and covers roughly 20% of the Earth's surface. The smallest ocean is the Arctic Ocean which only covers about 2.8% of our earth. However, only about 5% of our world oceans have been explored so there is still lots to discover!
Which ocean is the largest?
Pacific Ocean is the largest among all the five oceans of the world . It is situated on Eastern side of America and on the western side of Asia and Australia. On Northern and Southern sides, it is further capped by the North and South Arctics.
How many seas were there in ancient times?
In fact, they are a part of them. In ancient times there was no distinction between seas and oceans; were considered the same thing. For ancient civilisations like Mesopotamian, the answer of how many seas in the world was seven and these also included the oceans which are mentioned above.
What is the difference between ocean and sea?
Let’s begin with definition to highlight the difference between an ocean and the sea at first place. Ocean is usually larger than sea. Contrary to this, a sea is not only smaller than ocean but also its part. It is usually enclosed by the continents. One should also note that every single water body that ends with the suffix sea is not necessarily a sea. For example, Caspian Sea and Black sea are large salt water lakes and not really sea for not being a part of an oceans.
Which oceans are part of the Southern Ocean?
It also joins the parts of Atlantic, Pacific and Indian oceans . Southern Ocean also influences the Earth’s weather up to great extent. gif (1×1)
Which ocean is separated from the Atlantic Ocean?
Indian Ocean. This third largest ocean in the world is separated from Atlantic ocean by Southeast Asia and Australia. It covers an area between Africa, middle East and India. The Indian Ocean is linked to continents that have been home to a variety of flora and fauna on this planet.
Is the Caspian Sea a sea?
For example, Caspian Sea and Black sea are large salt water lakes and not really sea for not being a part of an oceans. Now Lets have a look at the 5 Oceans of the World.