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KS4 and KS5 resources for CIE,EDEXCEL and AQA

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Notes from a post graduate teacher and lecturer with 33 year teaching experience in science in UK based examinations .

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Notes from a post graduate teacher and lecturer with 33 year teaching experience in science in UK based examinations .
Complete revision notes - Synthetic Polymers for EDEXCEL International GCSE(9-1)
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Complete revision notes - Synthetic Polymers for EDEXCEL International GCSE(9-1)

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The notes include the followings: • Definitions and concept of synthetic polymers • Addition polymers • Drawing the repeat unit of an addition polymer, including poly(ethene), poly(propene), poly(chloroethene) and (poly)tetrafluoroethene • Deducing the structure of a monomer from the repeat unit of an addition polymer • Explaining problems in the disposal of addition polymers, including:their inertness and inability to biodegrade and the production of toxic gases when they are burned. • Condensation polymerisation, in which a dicarboxylic acid reacts with a diol, produces a polyester and water • Writing the structural and displayed formula of a polyester, showing the repeat unit, given the formulae of the monomers from which it is formed including the reaction of ethanedioic acid and ethanediol • Learning about biopolyesters
Alcohol
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Alcohol

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Complete lesson notes on organic homologous series based on the Cambridge IGCSE specification from 2023 to 2025.
States of Matter
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States of Matter

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The full revision note of States of matter including the practical experiments based on Edexcel International GCSE (9-1) new specification.