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 4.2.2 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.

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

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 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 full lesson covering section 6.6.1 c, d and e of the OCR A level physics specification- capacitors in series and parallel circuits. It covers how t calculate total capacitance in both types of circuits as well as an explanation of why each occurs. The lesson closes with lots of worked examples for students to practise using both sets of equations. The lesson includes a starter, full notes, lots of student activities and a fully differentiated summary at the end. All answers included

A complete lesson covering section 5.1.1 j and k of the OCR A level Chemistry specification- rates, activation energy and the Arrhenius equation. It also covers the content required for PAG 10.3 including a method and a sample results table. Although designed for OCR would suit any a level chemistry course. The lesson introduces the Arrhenius equation, what it is for and how to use it including in its logarithmic form. The includes worked examples and student led activities. This can either be delivered using theoretical examples or by collecting practical results. The lesson includes a starter, full notes, various student activities and a differentiated summary at the end. All answers included.

A full lesson covering section 4.2.2 F of of the OCR Biology Specification- adaptations. It covers physiological, behavioural and structural adapations in both animals and plants. It also covers the example of convergent evolution displayed by moles and marsupial moles. The lesson includes a starter, full notes, various student activities and a fully 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

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.

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 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 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 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 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 d of the OCR Biology specification- synapses. It covers the structure and function of a cholinergic synapse and how the movement of an action potential between neurones is triggered by an influx of calcium ions in the presynaptic membrane. The lesson then goes on to discuss convergent and divergent synapses as well as spatial and temporal summation. 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 6.3.3 e and f of the OCR A level Physics specification- uses of electromagnetic induction. It opens by considering a simple alternator as a means of generating electricity. It then goes on to discuss transformers and the transformer equation including how to derive the transformer equation from Faraday’s law and the power equation. It discusses ways of investigating transformers and can act as an introduction to Physics PAG 11.1. The lesson closes by considering transformers in the national grid and at home. 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.