Science (Building Bridges) June 12

What kind of scientists design bridges?

• An engineer

• A computer scientist

• A biologist

• A chemist

What is the most basic type of bridge?

• beam bridge

• floating bridge

• suspension bridge

• double decker bridge

What methods could make a bridge stronger?

(choose all that apply)

• add pillars

• stregthen the beam

• add suspension cables

• include cantilevers

What problem might you face if you build a bridge strong and heavy?

• It will not look beautiful

• It would sway easily in the wind

• it may bend under its own weight

• there would be no problems

What problem might you face if you build a bridge with really light material?

• the bridge may not support heavy weights

• the bridge will not look beautiful

• the bridge may fly away in the wind

How do pillars support a bridge?

• pillars support straight up and down

• pillars support from the side

• pillars pull the bridge up

• pillars pull the bridge down

How do arches support a bridge?

• arches support straight up and down

• arches support from the side

• arches pull the bridge up

• arches pull the bridge down

How do suspension cables support a bridge?

• cables support straight up and down

• cables support from the side

• cables hold the bridge up

• cables pull the bridge down

What shape do engineers use to make the strongest bridges?

• circles

• squares

• cones

• triangles

How do sides on a bridge affect a bridge?

• sides make it more flexible

• sides make it stronger

• sides make it weaker