Material
Name two materials you could use to build a small bridge across a river.
Stone, wood, concrete, steel
A force that squeezes a material together?
What is compression.
Name a type of bridges held by cables
Suspension
True or False: A Beehive is a natural structure?
True
What type of structure is a bicycle?
Frame
Name a material used to build roads.
Concrete or ashphalt
A force that stretches materials apart
tension
Type of bridge using horizontal spans?
beam bridge
What is a structure held together by an outer “skin”
Shell
Name a material to make tires.
rubber
A force that twists materials
Torsion.
What do we call a bridge that is built to carry water?
An aqueduct
A structure build by a beaver
Beaver dam
Which surface is more stable for building structures? -building a structure on either rock or sand.
Rock
What is plastic made out of?
Petroleum (oil)
A force that pulls down everything.
Gravity
A bridge that is built with triangular shapes
Truss bridge
A structure build by bees
Beehive
What type of structure is a mountain?
Natural
What is the strongest natural material?
The strongest material is a diamond.
A force that attracts certain metals.
Magnetism
A bridge built with curved shapes.
arch bridge
A structure built in Italy that is leaning
Leaning tower of Pisa
A structure must be able to support what?
Its own weight.