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Brown's School Science Revision Notes and Quizzes Website
WEBSITE HOMEPAGE of Dr Phil Brown GRIC, PhD Chemistry - INDEX 'SITEMAP' Download a PDF file version of this main index page for ALL convenient science links This PDF file essentially acts as an App file and all the www links should work. Download the PDF file to desktop, [my files], [cloud] etc. etc. The [SEARCH] box does NOT work from the pdf file, only on the xxx.htm web pages. DISCLAIMER: I do my very best to check all my writing, but I am not perfect and there may be a very tiny chance of an error or a 'silly' typo. If you think something is wrong, email chem55555@hotmail.com immediately and I will immediately rectify any error. I am NOT responsible for your exam grade, but I hope my science website helps you and good fortune in your studies. BUT, I do my best: The mediocre teacher tells. The good teacher explains. The superior teacher demonstrates. The great teacher inspires. Quote from William Arthur Ward "Thinking minds" Scroll down to find your academic level and science based course 1. Lower secondary school level science
2. UK GCSE level science revision notes
and revision notes help links suitable for UK based science courses: AQA, Edexcel, OCR (Gateway & 21st C) 9-1 GCSE Sciences Revision Notes links (also listed below) GCSE 9-1 Chemistry Topic Quizzes to match above specification links (links also on specific pages too) Cambridge International IGCSE: biology * chemistry * physics * double award sciences Edexcel International GCSE: biology * chemistry * physics * double award science Oxford AQA International GCSE: biology * chemistry * physics * combined science double award WJEC CBAC GCSE sciences: biology * chemistry * physics * double award science (Welsh exam board) CCEA CEA GCSE sciences biology * chemistry * physics * double award science (Northern Ireland) 3. Advanced pre-university/college Chemistry
4. Other important links
Whitby Community College Science Department 1993, Whitby, North Yorkshire, England (photo © Keith Deason, Whitby, North Yorkshire, England) Mike Harrison (chemistry, died 2026), Keith 'tech' Deason, Phil Brown ('Doc Brown' with beard, chemistry & physics), Roger Parsons (biology), Mike Rothwell (science), Effie Andrews (science), Alan Bentley (physics) John Verrill (electronics), Shirley the chief 'tech', Sue Spencer (biology), Pete Wallace (physics), Nick Pike (biology), Joan Lister (physics) ≈
The very good Salters Year 13 A Level Chemistry Group 1995-1996 Whitby Community College (now Caedmon College, Whitby). From left to right: Che Gannarelli (now Dr, science-physics teacher ?), Graham ? (?), Georgia ? (?), Finn Nesbitt (Locum Consultant Anaesthetist ?), Doc B (retired 2003), Dan ? (?), Pam Scott (senior civil servant), Amy ? (?), Emma ?. Below is the Whitby Community chemistry laboratory (S6) where I worked for many years, all laid out in 1995-1996 for the upper 6th A level chemistry group (above) to do their Salters A-level chemistry project.
RE-EDITED PAGES 2026 For Doc Brown's re-editing reference only Sept 18th 3i. The covalent bonding in the methane molecule 3l. The covalent bonding in the ethene molecule 3p. The covalent bonding in the methanol molecule 2b. How to work out and write ionic formula and naming ionic compounds 2c. Details of in ionic bonding in sodium chloride NaCl (Group 1 + Group 7) 2d. Details of ionic bonding in magnesium chloride & calcium chloride (Group 2 + Group 7) 2i. Details of the ionic bonding of aluminium fluoride (Group 3 + Group 7) 2j. Details of the ionic bonding of aluminium oxide (Group 3 + Group 6) Sept 19th ? ▲ EMAIL chem55555@hotmail.com ▲AI used to help with the photography notes pages BUT NOT the science pages [Author and photographer © Dr Phil Brown GRIC, PhD plus notes help from AI these days, page updated July 14th 2026]
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