
Chapter 1
The magic of buoyancy
Chapter 2
Staying upright and steady
Chapter 3
Powering a floating city
Chapter 4
Where giant ships are born
YOUR GOAL
Master of How cruise ships work
Ch 3 · Powering a floating city
futura Cruise Ship Buoyancy
A cruise ship, huge and bright, Displaces water with all its might, That equal weight keeps it afloat, just right!

futura Rotatable propeller pods under the ship allow it to maneuver without traditional rudders.

BETA
futura Stack heavy engines and light decks to learn how massive cruise ships stay upright.
Fun Fact
Power generation: A single large cruise ship can generate enough electricity to power a town of 50,000 people.
Glossary
liquefied natural gas (noun)
Natural gas that has been cooled to a liquid state for ease of shipping and storage. In 2021, Mardi Gras debuted as the first North American cruise ship powered by this fuel.
Natural gas that has been cooled to a liquid state for ease of shipping and storage. In 2021, Mardi Gras debuted as the first North American cruise ship powered by this fuel.
Quiz
Which technology do cruise ships use to turn salty ocean water into drinkable fresh water?
Quiz
What modern propulsion system features 360-degree rotating propeller pods under a cruise ship?

