Big ships move things on water. 

Big ships move things on water. 


Ships move people and goods across the water. This is called maritime transport. 


Different ships have different jobs. Container ships carry goods in large metal boxes. These boxes are called containers. 

Maritime transport is the way we move people and goods across waterways. This includes traveling on oceans, lakes, rivers, and man-made canals. 


Different types of ships work in different ways to finish their jobs. Container ships carry goods inside large, truck-sized metal boxes. 


People have been using water for travel for a very long time. Early civilizations even built canals to help move things more easily. The Industrial Revolution was a big moment for water transport. During this time, cheap shipping by canals and ships helped move heavy materials. 
There are many interesting numbers regarding the world's shipping fleets. In 2005, there were 30,936 merchant ships in the world with at least 1,000 gross register tons.
You can think of maritime transport as a giant, floating highway system. Just as cars use roads to reach different cities, ships use waterways to connect the world. 

Maritime transport, also known as ocean transport or waterborne transport, is the movement of people and goods via waterways. This system includes travel across oceans, lakes, rivers, and man-made canals. 
Water transport offers several distinct advantages and disadvantages compared to other methods. It is much cheaper than using aircraft or land vehicles like trucks and trains. This cost-effectiveness makes it ideal for moving heavy loads or bulk cargo. However, maritime transport is significantly slower for long journeys than air travel. It is also heavily dependent on having adequate port facilities to load and unload. Because of these factors, it is less practical for time-critical or perishable goods. 
In terms of global impact, the numbers are quite large. According to UNCTAD, maritime transport accounted for roughly 80% of international trade in 2020. The scale of the merchant fleet is also massive. In 2005, there were 30,936 merchant ships in the world measuring at least 1,000 gross register tons. By 2010, this number rose to 38,988, representing a 26% increase.
Ships can be categorized by how they operate their routes. A liner is a ship that follows a regular run on a fixed schedule. These ships must be better equipped to handle delays caused by bad weather. They are typically higher powered and more expensive to build than other types. They are often used for passengers or containers. In contrast, a tramp, or trader, has no fixed route. A tramp ship will go wherever a suitable cargo takes it.
There are many specialized types of cargo ships used today. Container ships, often called "box boats," carry goods in truck-sized containers. This method, known as containerization, revolutionized the industry starting in the 1970s. 


Other vessels serve specific transport needs. Roll-on/roll-off (RORO) ships use built-in ramps to let wheeled cargo, like cars, drive on and off. 


Maritime transport is also connected to complex infrastructure and technology. When cargo is moved using more than one mode of transport, it is called intermodal or co-modal transport. This connects ships to roads and railways to complete a journey. Some specialized vessels, like cable layers, use advanced dynamic positioning systems to lay underwater telecommunications cables.
🖼️ Images & Media (21)
+ 9 more
More to explore
✨ What else?
Related topics you might enjoy
🔬 Go deeper
More advanced topics to explore
What is Nepedia?
A free, ad-free encyclopedia for children. Every article is written at five reading levels, so the same page works for a five-year-old and a fifteen-year-old — use the level switcher above to see this one change. No account needed to read.