Random stuff Caveman chemistry - an excellent discussion of fire and other topics of interest Intergovernmental panel on climate change (IPCC) - the report on global warming Evergreen's social contract - you've got rights! (and some responsibilities, too) ChemCases- Refrigerants and other chemistry applications in daily life

Entropy Secondlaw.com Entropy on the WWW The Senses Bureau Perpetual motion machines The museum of unworkable devices Second law applet - bouncing ball Second law applet - engine

The ozone hole Ozone and the atmosphere (NASA DAAC) Measurements on atmospheric ozone Atmospheric chemistry BUV and TOMs total ozone Ozone concentrations vs altitude Dobson unit Halley Bay Research Station and Halley Bay ozone data History and explanation of the TOMS satellite (NASA Facts) TOMS Home Page for TOMS data (Total Ozone Mapping Spectrometer) TOMS Satellite Movie: Every two weeks (Southpole) Other TOMS Satellite Movies  Ozone: What is it and why do we care about it (NASA facts) NASA's Ozone Studies (NASA Facts) NOAA Ozone Altitude Profiles over the South Pole World Meteorological Organization (WMO) site Antarctica average ozone data for 1957-1995 Northern Hemisphere ozone maps World map Cool southpole photo

Acids and bases Tutorial and quizzes from University of British Columbia Buffer Applet

What's in a Star? Index Emission/absorption of the elements Energy levels, electron configurations and the periodic table applet Applet for assigning spectral lines Standing waves