The letters 'SS' in front of the name of a ship stands for ______________.
What group of people ruled the seas first?
One of the first famous rafting expeditions took place in the 1860s. Major John W. Powell and a small group went on an amazing rapids adventure in an oar raft. What object saved Powell on his raft expedition?
What is the approximate speed of The Queen Mary II?
What group of people built the first Kayaks?
Sailboats move by positioning the sail depending on the way the wind is blowing and which direction you want the boat to go. What is the name of this maneuver?
Which of the following can be found on a modern cruise ship?
What is it called when a hydrofoil is not travelling on its foils?
What are hovercrafts used for?
What part of a submarine helps it rise and sink in the water?