for every answer you get right on this site (www.freerice.com) you donate 10 grains of rice through the world food programme to starving nations. so get learning and get giving. you can change the subject (there’s a chemistry one for naming the element symbols) perfect for revising 8e.
this site (breathingearth.net) shows how many people are being born and dying around the world and just how much CO2 is being produced. interesting and just a bit worrying…
discovered 13 years ago, and officially added to the periodic table just weeks ago, element 112 finally has a name. it will be called “copernicium”, with the symbol Cp, in honour of the astronomer nicolaus copernicus. read more here.
the government wants opinions from science teachers in order to shape the new GCSE Science curriculum. obviously the consultation process is enough to put anyone off so this site (http://howscience.co.uk) makes it easier for teachers (or anyone really) to sound off about what’s right and/or wrong about science teaching in the uk.
a very important subject and one we take for granted. here’s a few links to get you started: sewage treatment, water pollution (easy guide), waste water made clear.
ensure you cover the following topics in your presentation:
screening
sedimentation
biological filters
disinfection
sludge disposal
and try to find some good photographs to illustrate your work…image search
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