Origin
Origin describes where a structure came from
Examples of structures that are stable but not strong
Some chairs Waterbottle Hand sanitizer dispenser Toys Phones Erasers, tent, cake
Is the human skeleton a natural or manufactured structure?
natural
______ is the force that results when the surface of one object moves against the surface of another object. Friction can help hold the pieces of a structure together.
Friction
______ is when two different surfaces are melted together into one surface
welding
name 2 of the 4 ways in which we can improve a material's strength
corrugation- is the process of forming material into wave-like ridges or folds
lamination-gluing layers of material together
weaving/knitting- is the process of tying together pieces of a flexible material likes string.
a composite material is a combination of different materials, which combines the useful properties of each seperate material into one.
friction, glues, welding
Structural ________ is a structure’s ability to keep it's shape when forces act on it. Structural _____ is a structure’s ability to hold it's position when forces act on it.
First blank is strength, second blank is stability
_________ means that a structure should be designed and built to perform as expected.
Margin of safety
A _____ structure is formed from a solid outer material that creates a large hollow inner space.
A shell structure