Griffiths, Rachel  <br/><br/>
Why Do Bridges Arch?  and other questions about buildings  

 - United Kingdom   Cambridge University Press  2010 
 - 16 p.  23 cm 
 - Cambridge Young Readers .
<br/><br/> Contents, Quiz, Glossary.  
<br/><br/>Questions about buildings <br/>- Questions about structures<br/>- It’s a fact<br/>- Can you believe it ? <br/>- Who found out ? <br/>- It’s quiz time !<br/>- Glossary <br/> 
<br/><br/> What holds up skyscrapers ? <br/>Why are sports domes curved ? <br/>What are triangles used in many bridges ? <br/>You can find the answers to these and other questions about structures in Why do bridges arch ? <br/> 
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<br/><br/><label>ISBN: </label>9780521137171 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sciences<br/>English language
<br/><br/><label>Dewey Class. No.: </label>153-GRI