Public transport
Air transport
Maritime transport
100
What is the most common type of public road transport used in cities around the world?
Bus
100
What type of aircraft can take off and land vertically without a runway?
Helicopter
100
What type of boat is designed to carry passengers on vacations at sea?
Cruise ship 
200
Which is faster: an old steam train or a modern electric train?
A modern electric train
200
What is the main vehicle used to carry passengers through the air?
Airplane
200
What type of boat used wind power before modern engines?
Sailboat
300
What modern public transport runs underground, unlike most old street transport?
Subway
300
Which is faster: a propeller plane or a jet airplane?
A jet airplane
300
What small, fast boat is often used for short trips across rivers or bays?
Ferry