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A structure is an object made up of parts put together in a particular way. Structures come in many shapes and sizes. They have a wide variety of purposes. Examples--> bridges, dams, skyscrapers, stadiums and houses.
system		~a group of objects that interact *part of a system may change in form, but not in quantity
property		~any trait, characteristic of a living or nonliving thing
foundation		~the base on which something is supported
slab		~a broad, thick piece of concrete
roof		~the exterior surface and its supporting structures on top of a building
wall		~an upright structure that divides an area
story		~a complete horizontal division of a building, comprising the area between two adjacent levels
level		~a flat horizontal surface


File Card Bridges		Geodesic Gumdrops
Build Your Bridge		PBS Build a Bridge
Building a Bridge Readinga-z book		How Bridges Work
Forces Lab		PBS Bridge Basics
Build a Paper Bridge		Spaghetti Bridge

All About Skyscrapers		Skyscraper Basics
		Skyscraper Challenge
Tallest Skyscrapers




arch bridge- a bridge that is supported by an arch. The roadway can either be beneath or above the arch.

~page updated 2/10/09 com~

Salmon
River

~ other grade 3 pages~
Ms. Fuller
Mr. Barkley
Ms. Johnston

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classroomclipart.com

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