D.5

Question 1

what is a beam bridge

Answer 1

A simple bridge that is solid
and straight

Question 2

What are some pros and cons of
beam bridges?

Answer 2

Pros:

• cheap for materials
• easy to construct

Cons:

• not aesthetically
  pleasing
• not as strong as a
  design with triangles

Question 3

what is a Truss Bridge

Answer 3

A bridge made up of
triangles

Question 4

What are some pros and cons of
truss bridges?

Answer 4

Pros:

• lightweight
• strong

Cons:

• complicated to
  construct

Question 5

what is a Suspension Bridge

Answer 5

A bridge that is supported
with wires

Question 6

What are some pros and cons of
suspension bridges?

Answer 6

Pros:

• lightweight
• aesthetically pleasing

Cons:

• don’t perform well
  against wind

Question 7

What is an arch bridge

Answer 7

A bridge with a half circle
shape

Question 8

What are some pros and cons of
arch bridges?

Answer 8

Pros:

• can carry great loads

Cons:

• uses lot’s of materials