Victoria's State Library http://www.slv.vic.gov.au/
A virtual library on the web http://www.vlib.org/
Australian Academy of Science site presents science news items, and can be searched by topic; some good teaching unit http://www.science.org.au/nova/
A searchable encyclopedic site with lots of information about how all kinds of things work; topics listed in categories http://www.howstuffworks.com/
Another science site dealing with the physics of everyday things, questions answered, short list of links to similar site http://howthingswork.virginia.edu
Ask a scientist service is to be found a http://www.newton.dep.anl.gov/
The Nobel Prize site is fascinating and motivational; details about all winners, their topics, their speeches... http://www.nobel.se/
A comprehensive listing of links to Australia's mining and exploration companies http://www.reflections.com.au/MiningandExploration/
Links to all Australian mining companies, and also links to Australian universities with courses related to minin http://www.minmet.com.au/
An even more comprehensive listing of links to mining ventures worldwide, classified by country http://www.doitnow.com/~smd/mining.htm
Explore the ocean floor at this Dive and Discover site. Join scientists in current expeditions, see what they see, and ask questions. Excellent site. http://www.divediscover.whoi.edu/
A pot-pourri of questions and answers; lots of them; worth exploring at http://www.newscientist.com/lastword/
A range of interactive science activities; requires Shockwave, which can be downloaded free if required. (Many of these activities are also to be found in Scott Visual Physics.) Try these activities at the recommended http://www.explorescience.com/
Astronomy and space science are richly served by a variety of web sites. Start with http://www.space.com/
Astronautics, spacecraft design and space systems are exhaustively covered at http://ame-www.usc.edu/bio/mikeg/astromike/index.html
If you have a fast connection, view pictures taken by the Hubble space telescope at http://oposite.stsci.edu/pubinfo/pictures.html
And another entry to the Hubble Space Telescope Science Institute http://www.stsci.edu/top.html
A new astronomy picture with detailed explanation is presented each day on this site. An archive of previously used pictures can also be accessed at http://antwrp.gsfc.nasa.gov/apod/astropix.html
For those interested in the possibility of human travel to and settlement on Mars, information is available at http://www.nw.net/mars/marsdirect.html
Another site for the spacecraft and space mission enthusiast. Browse through Encyclopedia Astronautica at http://www.friends-partners.org/~mwade/spaceflt.htm
If you can't find it in their home page index, look it up in their search engine. How Stuff Works is an extensive and most informative site. Ask your questions at http://www.howstuffworks.com/
The Why Files is a regularly updated site explaining the science behind the news. You might possibly find something you are looking for here. Or it is an engrossing site to wander through on a rainy afternoon. Begin at http://whyfiles.news.wisc.edu/index.html
Genetics for kids is presented by The GENE School at http://library.thinkquest.org/28599/
An attractive, illustrated online chemistry text , Chemistry4Kids, directed at younger students http://www.chem4kids.com
St. Vincent College in the south of England has a site with a number of good science links, particularly non-American ones. Begin at http://www.stvincent.ac.uk/Resources
Classic papers of historical interest at this comprehensive archival site,http://webserver.lemoyne.edu/faculty/giunta/dalton.html
A jazzy presentation on plastics can be found at http://www.cpia.ca/staticcontent/staticpages/teachers/main.html which is a resource for teachers produced by the plastics industry in Canada.
A resource package for middle school teachers on Cycles of the Earth and Atmosphere, on climate, greenhouse, ozone... produced by US National Centre for Atmospheric Research http://www.ucar.edu/learn/1.htm
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Watch this space for more great general sciencelinks