1. Structures 10 different structures and their definitions By: Strawberry-cherry4

2. Solid structure Solid structure: structure made of a solid piece (or solid combination of pieces) of strong material; for example: a cement pad.

3. Frame structure Frame structure: structure consisting of a rigid arrangement of parts joined together; for example: a skeleton.

4. Shell structure Shell structure: structure with a solid outer surface (which may be rounded or flat in shape) and a hollow inner area; for example: a Styrofoam cup.

5. Beam bridge Beam bridge: bridge supported by a beam or several beams purpose: it gets things across easier then if it was an arch bridge because the arch bridge has an arch in it and it is harder to get across

6. Truss bridge Truss bridge: bridge supported by trusses Purpose: it is light weight but strong.

7. Purpose of a truss bridge: it is light weight so it is easy to make and it holds a lot of weight so it is good for any vehicle.

8. Suspension bridge Suspension bridge: bridge only having its roadway hung from large cables supported between tall towers. Purpose: so that any kind of vehicle can get by their and it is really strong

9. Purpose of the suspension bridge used over water: because it is a really strong bridge and can stand heavy loads.

10. Arch bridge Arch bridge: bridge supp0rted by an arch or a series of arches. Purpose: it is designed to stand heavy loads.

11. Purpose of an arch bridge when its over water is: it is a really strong bridge and it can stand really heavy loads so when it over water and it is built properly it should never collapse.