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 sections 4.1.2 and 4.1.2 of AQA trilogy and AQA Biology- cell structure, stem cells and cell division. It starts by reminding students of the difference between plant and animal cells before looking at microscopes and the cell cycle. The includes some summary and some exam questions to check for understanding. the lesson then moves onto stem cells covering what they are and their uses again including summary questions. The lesson closes with a series of long answer exam questions practicing evaluative techniques with a particular focus on different uses of stem cells or stem cell All answers provided Updated 2023 to reflect the return to normal exam content

A complete lesson covering the calculation of Chi square. It s designed fro specification point 6.1.2c of the OCR course but would be fine for any A level biology course. It starts with a reminder of calculating mean and range before introducing the chi square. The lesson goes through the theory including critical values. It then moves on to a worked example. The rest of the lesson is examples of the calculation including dihybrid inheritance. It also gives a reminder of using a punett square to solve a dihybrid problem. Most examples are based round genetics but one involving mitosis is included. Differentiated summary at the end All answers provided

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

A full lesson revising content from the AQA Biology module- bioenergetics. This lesson covers photosynthesis and is suitable for both trilogy and the Biology science GCSE. The lesson starts by revising the reactants for photosynthesis and the equation along with the uses of glucose. It then has a quick summary activity before looking at leaf structure. The lesson then moves on to limiting factors with a series of data based activities. In between this the lesson looks at the required practical and covers the method as well as some extension questions. The lesson closes by looking at photosynthesis in ecosystems by considering the carbon cycle (from B7) but also the role played by photosynthesis in determining which plants can grow in differetn areas. All answers provided Requires no printing as all activities are in the PowerPoint

This is a complete lesson covering sections 5.2.2 I, j, k and l of the OCR Biology specification- anaerobic respiration and respiratory substrates. It starts by introducing anaerobic respiration in various organisms including lactate fermentation and alcoholic fermentation. It then goes on to look at respiratory substrates and respiratory quotients including their use and calculation. There are some summary questions to check for understanding before looking at respirometers. 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 5.2.2 d-h of the OCR Biology specification- the link reaction and the Krebs cycle. It starts by introducing the link reaction and then checking students understanding with some questions. The lesson then moves onto the Krebs cycle and the importance of coenzymes There is then a summary activity of the difference between FAD and NAD. The lesson then looks at oxidative phosphorylation and substrate phosphorylation before closing with some summary exam questions. 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 5.1.5 b-e of the OCR Biology specification- plant responses. It starts by considering the need for plants to be able to respond to changes in the environment. It then looks at examples of plant hormones. The lesson then moves to seed germination as well as growth and apical dominance. The lesson the looks at lateral shoots and the growth of roots before closing by studying gibberellins. All activities focus on the experimental evidence that has allowed us to work out modes of action. 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 5.1.5 a-e of the OCR Biology specification- plant responses to abiotic stress. It starts by considering the need for plants to be able to respond to stress. It then looks at leaf loss and responding to daylight length. The lesson then moves onto abscission and avoiding freezing. The lesson closes by looking at stomatal control and how this coordinated. 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 5.1.5 a-f of the OCR Biology specification- tropisms and industrial uses of hormones. It starts by introducing tropisms in general and then phototropisms specifically. There is then an activity where students look the experimental results and have to make conclusions based on those results. The lesson then looks at more experimental evidence including the split shoot experiment. The lesson then moves on to look at geotropisms and plants growing in the dark. The lesson closes by looking at industrial uses of hormones 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 5.2.1 g of the OCR Biology specification- factors that affect the rate of photosynthesis. The lesson starts by discussing the limiting factors of photosynthesis. It then discusses how this can be measured and provides some data for a graph drawing and analysis exercise. There is then chance to evaluate a method and table of data to spot how it can be improved. The lesson then looks at how CAM plant and C4 plants alter photosynthesis to suit their environment. 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 5.2.1 c, g and h of the OCR Biology specification- chemiosmosis and glycolysis. It starts by encouraging students to retrieve what they remember about ATP before looking at chemiosmosis and ATP synthesis finishing with summary questions. The lesson then moves onto an introduction to respiration and the process of glycolysis. This again includes various summary activities. 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 5.2.1 d, e and f of the OCR Biology specification- the light dependent and light independent reactions (Calvin cycle). It starts by looking at photophosphorylation in general before the specifics of cyclic and non-cyclic versions and photolysis of water. It goes through a diagram offering students the chance to construct a Z scheme. There are then some summary questions before the light independent stage. It the covers the Calvin cycle including the number of turns required to make a sugar. The lesson closes by looking at how other products are made by the plant and finished with a couple of exam questions. 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 5.2.1 a, b and c of the OCR Biology specification- chloroplasts and chlorophyll. It starts by looking at the compensation point and offering students the chance to analyse some data. It then looks at chloroplasts and how they are adapted to their role before discussing the structure of chlorophyll. The lesson then looks at light absorption spectra and provides data for students to draw a graph of the absorption spectra for chlorophyll a and b. The lesson closes by looking at photosystems and introducing their role in the light dependent reaction. The lesson does not cover chemiosmosis. I cover this during respiration. Please my other free resource: https://www.tes.com/teaching-resource/resource-12629704 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 5.2.4 a and b of the OCR A level Biology specification- the endocrine system. It starts with introducing the endocrine system as well as the various endocrine glands in the human body. It then moves on to discussing hormones including the different types of hormones and their actions. There is then a comparison of hormonal communication and neuronal. The lesson closes by looking at the adrenal gland including its structure and the different role it plays in both the endocrine system as well as the sympathetic nervous system. 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 most of the lesson resources are within the PowerPoint rather than as extra sheets.

This is a complete lesson covering sections 5.1.5 l of the OCR Biology specification-muscles. It covers the structure and function of skeletal muscle, smooth muscle and cardiac muscle. It then goes into the ultra-structure of a skeletal muscle including myofibrils, actin and myosin and how they work together to bring about muscle movement through the sliding filament model. The lesson closes by looking at the neuromuscular junction and how action potentials are passed to the muscle to cause contraction. 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 5.1.5 i of the OCR Biology specification-reflex reactions. The lesson starts by introducing the reflex arc and what the events in one are. It also covers the knee jerk reflex and the blink reflex as examples of the survival importance of reflexes. It also offers an opportunity of planning a practical investigating reaction times 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.