Chapter 5

http://www.bom.gov.au
The Bureau of Meteorology website is an excellent resource of a range of lesson plans and teaching ideas, as well as providing first-hand, up-to-date data.

http://www.implosionworld.com/recent.htm
A site containing excellent visuals of controlled explosions, mainly of buildings.

http://www.didasko.com.au/videos/
Video: A Thread of Quicksilver
Order through Didasko Learning Resources.

This excellent resource also links this chapter with the maglev technology of Chapter 4.

http://www.scirus.com
A free search engine covering over 150 million science-related pages, for extra teacher reading.