Show:
Submarines
Cars
Spaceships
Boats
100
This person steers the submarine.
Who is the helmsman?
100
This is why monster trucks need to be transported by a trailer.
What is they use a lot of gas?
100
These are two ways that astronauts practice feeling weightlessness on Earth.
What are scuba diving, flying on the "vomit comet", or use one of the tools at the space centre?
100
These prevent race boats from sinking.
What are drain plugs?
200
These are two ways to see where you are going in a submarine.
What are the periscope and sonar?
200
These are two ways that a race car keeps traction when going around corners.
What are good tires, and spoilers?
200
EMU's are also known as this common term.
What are spacesuits?
200
These types of boats help larger boats, like freighters, dock.
What are tugboats?
300
This is how a submarine dives.
What is the submarine blows out air and takes in water?
300
These things create mini explosions in the car's engine that move the cylinders.
What are spark plugs?
300
This is why blood "boils" in space if there is a rupture in the suit.
What is the gas in the blood expands?
300
This type of hull pushes water aside while moving.
What is a displacement hull?
400
This shape is used by submarines to make them withstand all of the pressure of the water around them.
What is a circle?
400
This is how models of vehicles are made.
What is using a 3D printer?
400
This is how long the main engines run for during lift off.
What is 8.5 minutes?
400
This is the term used when a sailboat turns into the wind.
What is tacking?
500
This is the name of the research sub that saw the Titanic after it sunk.
What is Calvin?
500
This substance causes engines to clog up if vegetable oil is used as fuel.
What is glycerin?
500
This is how many man-made objects may be floating in space.
What is 35 million?
500
These man-made objects help boats get from a high level of water to a low level of water safely (such as in the Panama Canal).
What are locks?