This is a complete lesson covering sections 5.1.2 c of the OCR Biology specification- nervous conduction by action potential. It goes through how the resting potential is maintained as well as the changes that occur during an action potential. It then goes on to cover how action potentials are propagated along the membrane as well as a reminder about saltatory conductions via nodes of Ranvier. The lesson closes by discussing action potentials as an all or nothing response and how the body interprets different size of stimuli. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end All answers are included I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 5.1.2 a and b of the OCR Biology specification- receptors and neurones in the nervous system. It goes through the structure and function of neurones along with the difference between myelinated and unmyelinated neurones. It also covers multiple sclerosis as an example of an autoimmune disease. The lesson then moves onto the difference types of receptors and then uses the Pacinian corpuscle as an example of how receptors function. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 5.1.1 bi and ii of the OCR Biology specification- the role of the liver in homeostasis. It goes through the structure and function of the liver including images to demonstrate the histology of the liver. It then looks at the individual roles of the liver including deamination and detoxification. The lesson ends with looking at the effects of alcohol on the liver and considering the various stages of liver failure The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

This is a complete lesson covering sections 6.3.2 a, b and c of the OCR Physics specification- the effect of magnetic fields on moving charged particles. It goes through how to calculate the force on a moving particle as well as an explanation of why the path is likely to be curved. It also covers how to calculate the curvature of the pathway as well as some application questions asking students to predict the effect of changes on the curvature. The lesson finished with introducing velocity selectors and how they work including the necessary calculations. This links magnetic and electric fields The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end All answers are included I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 6.3.1 e and f of the OCR Physics specification- magnetic fields. It goes through how to calculate magnetic flux density both with current perpendicular to the magnetic field as well as at an angle (sin θ). It also shows how to measure magnetic flux density as well as taking students through a worked example of the practical results. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end All answers are included I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 6.3.1 a -d of the OCR Physics specification- magnetic fields. It goes through how to show the magnetic field round long straight conductors, flat coils, a solenoid and bar magnets. It shows how to use Flemming’s left hand rule to predict the direction of a force created when a current runs perpendicular to a magnetic field. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end All answers are included I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 5.1.2 e and f of the OCR chemistry specification- Kw and strong bases. It goes through how to calculate the ionisation of water (Kw) and its use in the pH scale. It also look as at calculating the pH of strong bases as well as pOH. It also covers the links between pH and pOH and how one can be used to calculate the other. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end All answers are included I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 5.1.2 g and h of the OCR chemistry specification- Ka and weak acids. It goes through how to how to calculate Ka for weak acids including the approximations that can be used to make that calculation easier. It also discusses the limitations of those approximations and where they no longer apply. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end All answers are included I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 5.1.2 c, d and e of the OCR chemistry specification- Ka the acid constant and pH. It goes through how to how to calculate Ka and the relationship between Ka and pKa. It also covers the calculation of pH for strong monobasic acids as well as the relationship between pH and the concentration of Hydrogen ions. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end All answers are included I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

A complete lesson covering the specification points 5.1.2 e and f- kidney failure and its treatment and the use of urine testing both in medical diagnosis and in detecting drug use. The lesson includes a starter, full notes various student activities including exam questions and a differentiated summary at the end. All answers provided I always try to reduce photocopying so all resources are embedded in the PPT

A set of three lessons covering the complete set of specification points in OCR Physics section 6.2- electric fields IT covers: Point and spherical charges Coulombs law including calculating the force between point charges and the electric field strength of a point charge Uniform electric field strength including calculating uniform field strength and the charge of a parallel plate capacitor Electric potential and energy Each lesson includes a starter, full detailed notes, various student activities including exam questions and a differentiated summary at the end I am in favour of reducing photocopying so all activities are embedded into the main PPT

A full lessons covering section 6.1 of the OCR Physics specification- capacitors. This particular lesson covers sections c, d, e and a, b and c- energy in circuits. This includes the circuits for calculating work done using charge and voltage, charge and current and voltage and capacitance. also covers how to calculate total capacitance in series and parallel. The lesson includes a starter, full notes, lots of student activities including exam questions and a differentiated summary at the end All answers provided

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

A double lesson covering sections 6.1.1c, d and e and 6.1.3a of the OCR Physics specification- investigating capacitors. It covers PAG 9.1 and PAG 9.2 which are investigating capacitors in series and parallel as well as discharging and charging capacitors. The lesson includes full notes and methods, student activities, analysis activities and a differentiated summary at the end. All answers included.

This is a complete lesson covering section 5.1.2 a-e of module 5 of the OCR Chemistry specification- The equilibrium constant Kp in gaseous equilibria. It remind students of the difference between homogeneous and heterogeneous equiliibria and how to calculate both mole fractions and partial pressues. It then demonstrates how to uses these figures to calculate Kp and it associated units. in a cross curricular link it also looks at oxygen transport and the role of equilibria with haemoglobin. The lesson includes a starter, full detailed notes, lots of student led activities and a differentiated summary at the end. All answers provided

This is a complete lesson covering section 5.1.2 b, c, d and e of module 5 the OCR A level chemistry course- calculating Kc. It remind students what Kc and how to calculate it when given the data. It then covers deriving the units for Kc and the two types of equilibria (homogeneous and heterogeneous). The lesson closes with how to calulate Kc directly from experimental results including the use of titrations to establish concentration. The lesson includes a starter, full notes, worked examples, lots of student practice and a differentiated summary at the end All answers provided

This is the third lesson in a set of three covering the structure and function of the KIdney. This lesson specifically focuses on specification point 5.1.2 d- the role of the kidney is osmoregulation. It covers the kidney as an excretory organ as well as the role of ADH in controlling the water balance. It reinforces prior learning regarding negative feedback systems . It also includes how the pituitary gland and hypothalamus are involved. The lesson includes a starter, full notes, a variety of student led activities, and a differentiated summary at the end. All answers included

This is the second of three lessons covering the structure and function of the mammalian kidney. It covers section 5.1.2 ci, ii and iii of the OCR Biology specification. It covers the ultrafiltration of blood in the bowman’s capsule, reabsorbtion in the PCT, the role of the loop of Henle and the reabsorbtion of water from the collecting duct. The lesson includes a starter, full notes, a variety of student led activities and a fully differentiated summary at the end. All answers included