| A | B |
|---|
| tensile force | the force that causes a material to stretch |
| shear force | a force that tend to cause a material to tear or be cut apart |
| elastic response | the tendency of a material to return to its original shape or size after it has been stretched |
| deflection | the amount a material bends |
| compressive force | the force that causes material to be more compact and compressed |
| pyramid | built by the egyptians for their place of worship |
| dome | a hemispherical roof (3 dimensional arch |
| trusses | a frame work of connected beams or bars built to add strength and support to a bridge,roof, or other structure |
| arch | a curved structure, often consrtucted of stone, that supports the weight of the material above an open space |
| bridge | a structure built over a river, rail road etc, to serve as a road or path across |
| suspension | the use of cables that carry the force down the supports to the ground |
| Early Civilization | great pyramids built by Egyptians in 9000-1000BC |
| Renaissance | cultural wide spread revolution took place in Europe after Middle Ages 1300-1600 |
| Ancient Greece | temples (Acropolis) 800-338BC |
| Medieval Europe | cathedrals 1100-1500 |
| Ancient Rome | colosseum 27BC-AD 476 |
| Modern Civilization | achitecture late 1800's sky scrapper |
| cantilever | simple beam fixed at one end |
