The horizontal structure that goes across the water.
What is the deck?
An arch bridge has this type of shape.
What is a curve?
The strongest shape in the world.
What is a triangle?
The tall parts of the suspension bridge. Usually there are two of them.
What are the towers?
The type of bridge most associated with a castle.
What is a drawbridge?
This is what makes the beam bridge bend.
What is the load?
Arch bridges were invented by these ancient people and we still have some of their bridges left in the world.
Who are the Romans?
Type of building material usually used to build truss bridges.
What is steel or metal?
These are needed to create longer suspension bridges.
What are more towers and cables?
What is a swing bridge?
This is the weakes point of the beam bridge.
What is the middle?
The most important stone that is found at the top of the arch.
What is the keystone?
The pushing type of force.
What is compression?
In a suspension bridge, the cable exerts this type of force.
What is tension?
https://www.youtube.com/watch?v=x0Dj7XA77hw
This rolling bridge in London is for what type of traffic?
What is foot traffic or pedestrians?
The vertical supports that help support the beam.
What is a pier?
The massive structure that helps support the arch by pushing against it.
What are the abutments?
The pulling type of force.
What is tension?
This part of a suspension bridge goes up, goes down and up in the middle like a jump rope, and then goes down again.
What is the cable or main cable?
This famous bridge in London is a bascule bridge.
What is the Tower of London Bridge?
This is the force that acts on the top side and the two piers of the beam bridge.
What is compression?
The oldest bridges left are made from this material.
What are stones?
The measurement of distance between two supports in a bridge.
What is the span?
They support the main cable using tension to distribute the load evenly.
What are suspenders?
A drawbridge in a castle usually goes over this type of waterway.
What is a moat?