A full lesson covering points 4.1.1 f and k of the OCR A level Biology specification- the specific immune response and autoimmune diseases. It covers B and T cells, clonal selection, clonal expansion and differentiation, and the types and roles of B and T cells . It also covers autoimmune diseases including the likely cause and two specific diseases as examples (arthritis and lupus). The lesson includes a starter, full detailed notes, various independent student activities and a fully differentiated summary at the end. All answers provided

A complete lesson covering section 3.1.3e of the OCR Biology specification- the adaptations to plants living in low and high water areas. It covers the adaptations of xerophytes and hydrophytes using lots of examples and visual support. The lesson includes an exam question starter, full notes, various student activities and a differentiated summary at the end. All answers are included

A pair of lessons covering sections 5.2.3 f-i of the OCR Chemistry specification- electrode potentials The first lesson starts by looking at what half-cells are, how they are formed and the importance of salt bridges. It also covers how they can be used to measure standard electrode potentials. The lesson then covers half equations and using them to calculate the voltage of a electrochemical cell. The second lesson looks at the feasibility of reactions and how they can be predicted using half-cells. It also looks at the limitations of using electrode potentials to predict reactions Both lessons include lots of student independent work tasks and all answers are included I am to reduce photocopying so all activties are in the PPTs (30 slides and 25 slides each)

A complete lesson covering section 5.5.1 of the AQA trilogy GCSE specification- energy changes in reactions. It covers: Endothermic and exothermic reactions Calculating energy changes Energy changes RPA It includes a multiple choice section and lots of exam questions Answers provided

A full lesson covering section 2.2.2 d, e and of the OCR A level specification. This lesson focuses on dative covalent bonding and examples of covalent bonds that break the octet rule. Includes a starter, recap activity on uncommon covalent compound, full notes, student practice and a set of differentiated questions at the end. All answers are given Some slides include notes to support delivery as well as suggestions on how to cover the concepts.

A complete lesson covering section 5.1.1 d of the OCR Biology specification- thermoregulation. This includes both endotherms and ectotherms and the differences between them. Lots of different species as examples. It covers both behavioural and physiological adaptations and the role of the thermoregulatory centre in ectotherms. The lesson includes a starter, full notes, a variety of student activities and a fully differentiated summary at the end All answers included

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 full lesson covering section 5.1.1.g and h of the OCR Chemistry specification as well as PAG 10.1- the use of rate and concentration graphs especially in clock reactions. It covers what a rate coneration graph is and how they can be used to work out both the order of reactant and the value of k for reactions. It introduces clock reactions and the method and analysis for PAG 10.1 The lesson includes a starter, full notes, student activities and a differentiated summary at the end. All answers included

A complete lesson revising specification points 5.1-5.3 of the AQA Biology GCSE and Trilogy GCSE. - homeostasis and control It starts at looking at the six named glands and the hormones they produce. It then looks at the flight or fight response and the control of blood sugar as specific examples. The lesson then moves to look at type 1 vs type 2 diabetes icnldin exam questions for review. After some further review questions the lesson then moves on to looking at thyroxine and its negative feedback control. The lesson closes with looking at IVF through a series of exam questions with various levels of response The lesson also includes questions on the nervous system including the reflex arc and the reactions practical All answers included. Updated 2023 to reflect return to normal exam content

A complete lesson revising section 5.6 of the AQA trilogy GCSE specification- rates of reaction and equilibrium. The lesson covers a range of retrieval activities including activation energy, the role of catalysts and calculating Mr. The lesson also includes lost of exam practice including questions on the required practicals from rates and examples of the 6 mark style longer answer question. All answers included

A complete revision lesson covering section 6.6.1 of the Trilogy and Physics GCSE specification- waves. The lesson covers: Longitudinal and transverse waves The wave equation The ripple tank required practical wave period and frequency maths skills The lesson includes lots of exam practice and independent tasks as well as retrieval tasks All answers included

A full lesson taking students through how to calculate percentage composition by mass. This is both from the GCSE Chemistry and Trilogy specifications Introduces percentage calculations using ball pit balls before explaining how it relates to chemistry. Several worked examples follow before easier then harder questions. All answers included. Starter and exam question plenary.

A complete lesson covering section 6.1 of the OCR Physics specification- capacitors. This lesson specifically covers points b, c, d and which is the equations covering charging and discharging of capacitors. It introduces the equations for calculating charge, current and voltage at different times during charge and discharge. It also covers the time constant- what it means and how to calculate it. The lesson includes a starter, full notes, a variety of student activities, lots of exam questions and a differentiated summary at the end. All answers included

This is a complete lesson covering points 5.2.2 a-f of the OCR Chemistry specification- Entropy and free energy The less starts by introducing the concept of entropy and the effect that changing state, dissolving and producing a gas have on the value. It then looks at calculating entropy changes.It the looks at Gibbs free energy and how this can be calculated including the difference between endothermic and exothermic reactions. The lesson follows an explicit instruction model with lots of opportunities for i do, we do, you do All answers included I am to reduce photocopying so all activities are within the PPT (30 slides in total)

A complete revision lesson covering the digestion section of AQA module B2- organisation. It also covers the two RPAs (enzymes and food tests) that occur in this topic. The lesson opens with the food tests RPA followed by looking at the components of a balanced diet along with the role of each nutrient in the body. The lesson then moves to look at the digestive system, its components and their individual role. It then looks at the stomach as an example of an organ with its tissues and their functions. The lesson the moves onto enzyme action and the enzymes of the human digestive system. It then covers the enzymes RPA before finishing with a series of exam questions. Includes retrieval type activities All answers are provided and no printing is required Update 11/05/22- sudan III test for fats added Update 08/05/23- changes to reflect return to normal exam arrangements

This is the fifth lesson in OCR module 3 Exchange surfaces. It is a complete lesson covering section 3.1.1 f and g- Insect ventilation. This is a complete lesson including a starter, full notes, various student activities and a differentiated summary. It also includes a worksheet and link to a you tube video covering insect dissection so you can still cover this topic even in Covid-secure times. All answers are included. The answers to the worksheet are in the PowerPoint. Some slides have additional guidance to support lesson delivery / delivery of the content covered.

A full lesson covering section 6.1.1 A and B of the OCR A level Physics specification- introduction to capacitors. It covers what capacitors are, what capacitance is and how it can be calculated. It also describes how capacitors are charged and discharged. The lesson includes a starter revising content from AS, full notes, a variety of student led activities and a fully differentiated summary at the end. All answers provided

A full lesson covering section 5.1.1 a-c of the OCR Biology specification- Homeostasis. The lesson covers the need for communication systems as well as the methods by which cells can communicate with other cells including the example of the dogs vomit fungus. It also introduces the principles of homeostasis including negative and positive feedback as well as the internal conditions that need to maintained. The lesson includes a starter, full notes, a variety of student activities, and a fully differentiated summary at the end. All answers included