The importance of molecular oxygen, atomic oxygen, ozone and the hydroxyl radical in the Earth's atmosphere.
Tim G. Harrison
Lots of free science related content including video demonstrations and worksheets, product instructions, workbooks, guides, reports, suggested experi
Safety data sheets for all Timstar chemicals are available to download.
Timstar offer a termly newsletter packed full of quality articles, competitions, technical tips and information about workshops and events.
The life of Joseph Priestley and the fascinating chemistry of one of the molecules that he discovered – dioxygen (O2).
Tippu S. Sheriff
An open-access online resource supporting cross-curricular learning electricity, history, and art and design topics from the University of Leeds.
University of Leeds
In the Bohr theory of the atom, electrons are pictured as particles moving in fixed paths, or orbits, around the nucleus rather like planets revo
We celebrate and communicate the scientific and creative thinking of young scientists, aged 12 -20.
Young Scientitsts Journal