Did You Know?
Some submarines can go very deep!
How Submarines Work
They use air and water to float.
Why We Use Submarines
They help us learn about fish and sea.
What submarines Does
They help find lost things in the sea.
They can take pictures of fish.
Some help keep our waters safe.
They can help scientists learn more.
They can stay down for days.
They can be very big or small.
More About submarines
Submarines have been around for a long time. The first one was made a long time ago. They were used in wars and to help people. Now, they are used for fun and learning.
Submarines help us see the sea. They can show us fish and plants. They help keep our oceans safe. Many people work on submarines.
In the future, submarines may go deeper. They might help us find new things. They can also help us learn about the Earth.
How Topics Connect
graph TD
A["Submarine"] --> B["Watercraft"]
A --> C["Independent Operation"]
A --> D["Remotely Operated Vehicles"]
A --> E["Medium-sized Vessels"]
A --> F["Smaller Vessels"]
A --> G["Referred as Boats"]
What Do These Words Mean?
submarine:A type of boat that can operate underwater.
watercraft:Any vehicle that travels on water.
independent operation:Working on its own without help.
remotely operated vehicles:Machines controlled from a distance.
medium-sized vessels:Boats that are not too big or too small.
