Did You Know?
Some submarines can go very deep!
How Submarines Work
Submarines use air and water to float.
What They See
They can look at fish and plants.
What submarine Does
They can dive deep in the sea.
They can stay under for days.
They help find lost things.
They are used in the army.
They can be very quiet.
They have big windows to see out.
More About submarine
Submarines have been around for a long time. The first one was made over 300 years ago. They were used in wars to sneak up on ships. Now, they help us learn about the ocean.
Submarines help us see fish and plants. They can go to places we can't reach. This helps scientists learn more about the sea.
In the future, submarines may help us find new places. They might even help us explore other planets! Submarines are cool and help us in many ways.
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 travel underwater.
watercraft:Any vehicle that can travel on or under 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.
