A full lesson covering section 4.1.1m of the OCR A level Biology specification- sources of disease. It covers the use of plants as a source of medicine, some examples of plant based medicines, the importance of maintaining biodiversity and synthetic biology and personalised medicines. The lesson includes a starter, full notes, a variety of individual student learning activities and a fully differentiated summary at the end All answers provided

A complete lesson covering section 4.2.1c of the OCR A level chemistry specification. It covers the oxidation of primary and secondary alcohols and the resistance to oxidation or tertiary alcohols. The lesson includes a starter, full notes, various student tasks and a fully differentiated summary at the end. All answers included

A complete lesson revising content from AQA trilogy topic B6- Genetics and reproduction. The lesson has been updated to reflect the return to normal exam oprocedures. The old version is inclduded. the lesson covers : Gender determination Genes and DNA Genetic crosses Asexual reproduction Meiosis Vs mitosis Cystic fibrosis Evolution Selective breeding and GM

A complete lesson covering section 4.2.2 a-d of the OCR A level chemistry specification- the hydrolysis of haloalkanes. It covers the reactions with water and hydroxide, the definition and use of the term nucleophile, the reaction mechanism for the reaction with primary haloalkanes, and an explanation of the trend in the rates of hydrolysis. It also includes a method (with tech details and safety) for testing the rate of reaction. This includes some follow up questions to the practical as well as sample results should it not be possible to complete the practical. The practical can be used towards PAG 7. The lesson includes a starter, full detailed notes, a variety of independent student tasks and a fully differentiated summary at the end. All lessons included.

A full lesson covering point 4.2.2e of the OCR A level Chemistry specification- the environmental issues caused by haloalkanes. It covers the development and use of organohalogens as well as the mechanisms by which CFCs cause damage to the ozone layer. It also includes the other chemicals that may damage the ozone layer and the chemicals that are being used as an alternative. The lesson includes a starter, full notes, various student activities and a fully differentiated summary at the end. All answers included.

A complete lesson covering section 4.2.1a and b of the OCR Biology specification- sampling strategies and techniques. It covers the data collection part of PAG3.1 with the analysis covered in a future lesson. The lesson introduces quadrats and how they can be used to sample species. This includes the use of a point frame as well as other ways of estimating percentage cover. The lesson includes a starter, full notes, various student activities and a differentiated summary at the end. All answers provided

A complete lesson covering section 4.2.1 c and d of the OCR A level Biology specification- how to calculate and interpret the Simpson’s index of biodiversity. It introduces the index, provides worked examples and an opportunity for students to complete a full calculation. It also introduces the second part of PAG3.1 so students can calculate their own values of biodiversity based on the previous lessons practical work. The lesson includes a starter, full notes, various independent student activities and a differentiated summary at the end. All answers provided.

This is a full lesson covering section 4.2.2a and of the OCR A level chemistry specification. It covers synthetic routes and provides students with a summary diagram of all the reactions studied so far in the course. It also introduces analysing compounds with multiple functional groups as well as how reactions can be used to convert one functional group to another in multi-step procedures This is the third of a series of lessons covering section 4.2.2a and PAG5 The lesson includes a starter, full notes, various student activities and a fully differentiated summary at the end . All answers included Edited 21/03 to add extra exam question Please see my shop for further resources

A revision lesson covering the electricity and quantum mechanics sections of module 4 of the OCR Physics specification. It includes lots of questions, both written and calculations, with full answers. Covers the photoelectric effect, Einsteins equations, de Broglie, electron number density Also includes a short quiz designed to highlight misconceptions and misunderstandings. All answers provided

A complete lesson covering section 4.2.4 a, c, d and e of the OCR A level specification- the use of infrared spectrum to analyse compounds. It covers how the spectra are formed, what the peaks mean and they can be analsysed. The lesson includes a starter, full notes, lots of independent student activities and exam questions and a differentiated summary at the end. Also includes a worksheet

A complete revision lesson covering objectives 3.1-3.5 of module 3 of Edexcel Salters Biology- the vice of the Genome. However it would be suitable for any A level course. It covers eukatyote and prokaryote cell structure as well as the functions of the organelles and the functional links between them. It also includes electronmicrographs to ensure students can identify organelles. It includes lots of student activities as well as plenty of exam practice to cover both recall and understanding. All answers included

A full lesson covering section 4.2.1h the conservation of species both in situ and ex situ. It covers the difference between the two types of conservation as well as an in-depth look at the advantages and disadvantages of both. It covers various examples of both including wildlife parks, zoos, botanic gardens and seed banks. The lesson includes a starter, full notes, lots of student activities and a differentiated summary at the end All answers included

A complete lesson covering section 4.2.4 f and g of the OCR Chemistry specification- mass spectroscopy. It shows how the molecular ion is formed and how the M peak can be used to determine molecular mass. It also covers fragmentation and the uses of fragments to help identify compounds. It also discusses the M+1 peak and its implications, including a formula to discover the number of carbons. The lesson closes with some practice using mass spectra, The lesson includes a starter, full notes, a variety of student activities and a fully differentiated summary at the end, All answers included

A complete lesson covering section 4.2.4 h of the OCR Chemistry specification- combing IR spectrum, mass spectrum and chemical analysis to identify molecules. It quickly recaps empirical formula and using the two spectra through a worked example. It then provided lots of student practice. A worksheet is included. The lesson includes full notes, a starter, many student activities and a differentiated revision summary at the end. All answers included

This is a complete lesson covering section 4.2.2 f of the OCR A level Biology specification- variation as statistical analysis. It covers the meaning of variation, the different types of variation and its causes. The lesson finishes by explaining how to calculate Spearman rank correlation and providing both a worked example and an opportunity for students to attempt their own. The lesson includes a starter, full notes, student activities and a differentiated summary at the end, All answers provided

A complete lesson covering section 4.2.2 ci of the OCR biology specification. It covers the features that are used to classify each of the five Kingdoms in Linnean classification. The lesson covers how and why classification has changed from originally having only 2 kingdoms. It includes the developments made following the use of microscopes to look at single celled organisms. The lesson includes a starter, full notes, various student activities and a differentiated summary All answers included.