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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), 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) ≈ RE-EDITED PAGES 2026 For Doc Brown's re-editing reference only July 12th colour theory of transition metals * chemistry of iron * isomers of C4H11N * graphs of factors affecting the rate of photosynthesis July 16th calorimetry to determine enthalpy of reaction 1. Determining the enthalpy of combustion of an alcohol (ethanol) with copper calorimeter 2. Determining the enthalpy of combustion of benzoic acid with a bomb calorimeter 3. Determining the enthalpy of solution of ammonium nitrate with a polystyrene calorimeter 4. Determining the enthalpy of solution of potassium chloride/sodium carbonate with a polystyrene calorimeter 5. Determining the enthalpy of neutralisation of hydrochloric acid and sodium hydroxide 6. Determining the enthalpy of reaction of zinc displacing copper from copper(II) sulfate solution 7. Using Hess's Law and experimental data to determine the enthalpy of hydration of anhydrous copper(II) sulfate 8. Using Hess's Law and experimental data to determine the enthalpy of hydration of anhydrous magnesium sulfate 9. Using Hess's Law and experimental data to determine the enthalpy of the decomposition of sodium hydrogencarbonate to sodium carbonate, water and carbon dioxide July 16th SET 1 non-redox volumetric titration Questions* SET 1 Question Answers * SET 2 Questions * SET 2 Question Answers * GCSE sciences index * ? July 17th isomers of C5H8 * thiosulfate decomposition July 18th catalase enzyme decomposition of hydrogen peroxide July 19th ethyl ethanoate IR spectrum * mass spectrum * 1H NMR spectrum * 13C NMR spectrum July 20th * waves-intro-index - waves-into-03 * waves-intro-10 *July 21st isomers of C6H14 * isomers of C4H8O2 July 22nd food tests * July 24th isomers of molecular formula C6H10 * mass spectra of organic compounds * ir spectrum benzaldehyde * mass spectrum benzaldehyde * 1H NMR spectrum of benzaldehyde * 13C NMR spectrum of benzaldehyde July 25th microscopy-index * (1) Microscopes - uses, history and development (2) The design, function and use of an optical light microscope and slide preparation (3) Examples of using a microscope, scale drawing your microscope slide observations (4) Examples of numerical calculations in microscopy - magnification and magnifying power of a microscope and measuring the size of a cell using a graticule and stage micrometer (5) The scale of things in biology & orders of magnitude - comparison of cells & other objects * ir spectrum benzene * mass spectrum benzene * 1H NMR spectrum of benzene * 13C NMR spectrum of benzene July 26th ir spectrum ethanol * mass spectrum of ethanol * 1H NMR spectrum of ethanol * 13C NMR spectrum of ethanol * forces-3 * H2-O2 fuel cell July 28th isomers of C6H13X * naming organic compounds * ? ▲ EMAIL chem55555@hotmail.com ▲AI used to help with the photography notes pages BUT NOT the science pages [Author and photographer © Dr Phil Brown PhD plus notes help from AI these days, page updated July 14th 2026]
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