Year+5+Bridges

__**Year 5 Bridges**__

Look up these sites:

@http://www.sciencekids.co.nz/videos/engineering/bridgebuilding.html

@http://www.pghbridges.com/basics.htm

@http://www.pbs.org/wgbh/nova/tech/build-bridge-p1.html

@http://faculty.lebow.drexel.edu/McCainR//top/bridge/CB1.html

@http://www.bridgepros.com/

@http://en.wikipedia.org/wiki/List_of_longest_bridges_in_the_world

@http://www.environmentalgraffiti.com/featured/amazing-bridges-around-world/6785

@http://www.7bridgeswalk.com.au/pages/bridge-history.php

@http://australia.gov.au/about-australia/australian-story/sydney-harbour-bridge

@http://science.howstuffworks.com/engineering/civil/bridge.htm

@http://www.faculty.fairfield.edu/jmac/rs/bridges.htm

@http://splash.abc.net.au/media?id=30429