How+the+world+works

=__How the World Works - Unit Letter __= Download Google SketchUp Here! **__Transdisciplinary Theme: __** How the World Works

__ Central Idea: __
Materials are chosen according to the purpose and design of the structure being built.

__ Lines of Inquiry: __
1. The properties and uses of different materials 2. Structural designs and the materials used to suit them 3. Building materials used for structures in different places (Qatar Focus) 

Building Big
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Materials and Structures:
__[|www.archkidecture.org/buildingsquares/bricks.html] __

Top 10 construction achievements of the 20th century:
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**Have a look at these interesting buildings!**
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 * Video of collapse of the Tacoma Bridge **

What caused the Tacoma Bridge to collapse?
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<span style="background-color: transparent; color: #000000; font-family: 'Arial','sans-serif'; font-size: 19px; text-decoration: none; vertical-align: baseline;">Material <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 14px; text-decoration: none; vertical-align: baseline;">__<span style="background-color: transparent; color: #0000ff; font-family: 'Calibri','sans-serif'; font-size: 14px; vertical-align: baseline;">properties __ <span style="background-color: transparent; color: #000000; font-family: 'Arial','sans-serif'; font-size: 19px; text-decoration: none; vertical-align: baseline;"> and other information can be found here.

<span style="background-color: transparent; color: #000000; font-family: 'Arial','sans-serif'; font-size: 19px; text-decoration: none; vertical-align: baseline;">Have a look at this <span style="background-color: transparent; color: #000000; font-family: 'Calibri','sans-serif'; font-size: 14px; text-decoration: none; vertical-align: baseline;">__<span style="background-color: transparent; color: #0000ff; font-family: 'Calibri','sans-serif'; font-size: 14px; vertical-align: baseline;">structures __ <span style="background-color: transparent; color: #000000; font-family: 'Arial','sans-serif'; font-size: 19px; text-decoration: none; vertical-align: baseline;"> website for more ideas on how things are made.