This is an engaging REVISION lesson which is fully-resourced and uses a range of exam questions, understanding checks, quick tasks and quiz competitions to enable students to assess their understanding of the content within topic 2 (Forces) of the OCR GCSE Physics A 9-1 specification. The specification points that are covered in this revision lesson include: Recall and apply: distance travelled (m) = speed (m/s) x time (s) Recall and apply: acceleration (m/s2) = change in velocity (m/s) / time (s) Apply: (final velocity (m/s))2 - (initial velocity (m/s))2 = 2 x acceleration (m/s2) x distance (m) Recall and apply: kinetic energy (J) = 0.5 x mass (kg) x (speed (m/s))2 Describe how to measure distance and time and use these to calculate speed Explain the vector–scalar distinction as it applies to displacement and distance, velocity and speed Recall and apply: force (N) = mass (kg) x acceleration (m/s2) Recall and apply: momentum (kgm/s) = mass (kg) x velocity (m/s) Recall and apply: work done (J) = force (N) x distance (m) (along the line of action of the force) Recall and apply: power (W) = work done (J) / time (s) Represent such forces as vectors Define momentum and describe examples of momentum in collision Recall and apply Newton’s third law Recall and apply: force exerted by a spring (N) = extension (m) x spring constant (N/m) Recall and apply: gravity force (N) = mass (kg) x gravitational field strength, g (N/kg Recall and apply: (in a gravity field) potential energy (J) = mass (kg) x height (m) x gravitational field strength, g (N/kg) Recall and apply: pressure (Pa) = force normal to a surface (N) / area of that surface (m2) Recall and apply: moment of a force (Nm) = force (N) x distance (m) (normal to direction of the force Calculate a spring constant in linear case Describe that all matter has a gravitational field that causes attraction, and the field strength is much greater for massive objects Define weight, describe how it is measured and describe the relationship between the weight of an object and the gravitational field strength (g Define and calculate the moment of the force in such examples Use the relationship between the force, the pressure and the area in contact There is clearly a huge emphasis on the mathematical aspect of the subject in this topic and the various skills needed for success in the calculations are tested throughout this lesson. Students will enjoy the range of activities which includes quiz competitions such as “FILL THE VOID” where students compete to be the 1st to complete one of the 12 recall equations in this topic. This lesson is suitable to be used as a revision resource at the end of the topic or in the lead up to mocks or the actual GCSE exams

This is a fully-resourced REVISION lesson that consists of an engaging PowerPoint (87 slides) and associated worksheets that challenge the students on their knowledge of the content of Topic 1 (Lifestyle, Health and Risk) of the Edexcel A-Level Biology A (Salters-Nuffield) specification. A wide range of activities have been written into the lesson to maintain motivation and these tasks include exam questions (with answers), understanding checks, differentiated tasks and quiz competitions. The lesson has been designed to include as much which of the content from topic 1, but the following specification points have been given particular attention: The differences between monosaccharides, disaccharides and polysaccharides, including glycogen and starch (amylose and amylopectin). Be able to relate the structures of monosaccharides, disaccharides and polysaccharides to their roles in providing and storing energy Know how monosaccharides join to form disaccharides (sucrose, lactose and maltose) and polysaccharides (glycogen and amylose) through condensation reactions forming glycosidic bonds, and how these can be split through hydrolysis reactions. Know how a triglyceride is synthesised by the formation of ester bonds during condensation reactions between glycerol and three fatty acids. Understand the course of events that leads to atherosclerosis Know how factors such as genetics, diet, age, gender, high blood pressure, smoking and inactivity increase the risk of cardiovascular disease Know the benefits and risks of treatments for CVD Understand the blood-clotting process and its role in CVD Understand how the structures of arteries and veins) relate to their functions. Understand the importance of water as a solvent in transport, including its dipole nature. This lesson can be used at numerous points over the duration of the course, as an end of topic revision aid, in the lead up to the mocks or in the lead up to the actual A-level exams.

This is a fully-resourced REVISION lesson that consists of an engaging PowerPoint (154 slides) and associated worksheets that challenge the students on their knowledge of topics B1 - B4 (Cell Biology, Organisation, Infection and response and Bioenergetics) of the AQA GCSE Combined Science Trilogy specification and can be assessed on PAPER 1. A wide range of activities have been written into the lesson to maintain motivation and these tasks include exam questions (with answers), understanding checks, differentiated tasks and quiz competitions. The lesson has been designed to include as much which of the content that can be assessed in paper, but the following sub-topics have been given particular attention: Eukaryotic and prokaryotic cells Structure of a bacterium The functions of the components of blood Specialised cells Active transport Osmosis Structure of DNA Mitosis and the cell cycle Functions of the organelles of animal and plant cells Electron microscopy Calculating size Arteries and veins The risk factors of CHD CHD treatments The structure of the heart Bacterial, fungal and viral diseases The mathematic elements of the Combined Science specification are challenged throughout the resource. Due to the size of this resource, it is likely that teachers will choose to use it over the course of a number of lessons and it is suitable for use in the lead up to the mocks or in the lead up to the actual GCSE exams.

The range of exam questions, understanding checks and quiz competitions that have been written into this revision lesson will help to motivate and engage the students whilst they assess their understanding of the content found in topic 1.3 (Digestion and the digestive system in humans) of the WJEC GCSE Biology specification. The resource includes a detailed and engaging Powerpoint (51 slides) and an associated worksheet, which has been differentiated to help differing abilities to access the work. The range of activities have been designed to cover as much of the content as possible but the following sub-topics have been given particular attention: The movement of food by peristalsis The role of carbohydrase, protease and lipase enzymes in digestion The tests for the presence of starch and glucose The roles of the stomach and small intestine in digestion The function of bile in the break down of fats The need for a balanced diet and implication for health of excess sugar and salt in foods

This revision resource includes exam questions, understanding checks and quiz competitions, all of which have been designed with the aim of motivating and engaging the students whilst they assess their understanding of the content found in topic 5 (Enzymes) of the CIE IGCSE Biology specification for examination in June and November 2020 and 2021. This revision resource contains an engaging PowerPoint (25 slides) and associated worksheet. The range of activities have been designed to cover as much of the Core and supplement content as possible but the following sub-topics have been given particular attention: Define enzymes as proteins that function as biological catalysts Explain enzyme action with reference to active site, substrate and enzyme-substrate complex Explain the specificity of enzymes Explain the effect of changes of temperature on enzyme activity Explain the effect of changes of pH on enzyme activity Describe what happens to an enzyme when it is denatured

This revision resource includes exam questions, understanding checks and quiz competitions, all of which have been designed with the aim of motivating and engaging the students whilst they assess their understanding of the content found in topic 2 (Organisation of the organism) of the CIE IGCSE Biology specification for examination in June and November 2020 and 2021. This revision resource contains an engaging PowerPoint (53 slides) and an associated worksheet. The range of activities have been designed to cover as much of the Core and Supplement content as possible but the following sub-topics have been given particular attention: The function of the organelles found in animal and plant cells The features of specialised cells which allow them to perform their function The mitochondria and the production of energy for use in cell activities Calculating size and magnification by converting between millimetres and micrometres Tissues, organs and organ systems

This revision resource includes exam questions, understanding checks and quiz competitions, all of which have been written to motivate and engage the students whilst they assess their understanding of the content found in topic 4 (Biological molecules) of the CIE IGCSE Biology specification for examination in June and November 2020 and 2021. This revision resource contains an engaging PowerPoint (36 slides) and associated worksheets. The range of activities have been designed to cover as much of the Core and Supplement content as possible but the following sub-topics have been given particular attention: List the chemical elements that make up carbohydrates State how starch, glycogen, cellulose, proteins and fats and oils are made from their specific smaller molecules Describe the use of the iodine and Benedicts solution test Explain how the specific sequence of the amino acids in a protein controls the shape and the effect this has on an enzyme and antibodies Describe the structure of DNA Recognise that water is an important solvent which is involved in a large number of roles in the human body In addition, links have been made to other topics such as hormones and organelles so that students can see the importance of making links between Biological topics

This revision resource has been designed to cover the content in both topic 11 (Gas exchange) and topic 12 (Respiration) of the CIE IGCSE Biology specification for examination in June and November 2020 and 2021. The topics have been combined because of the huge crossover and the aim was to encourage students to see those connections and to make the Biological links. The resource contains an engaging and detailed PowerPoint (77 slides) and associated worksheets, some of which have been differentiated to provide assistance for those students who need it. Included in the resource are exam questions, quick tasks and quiz competitions which try to cover as much content as possible with the following areas receiving particular attention: The internal and external structure of the trachea The structure of the alveoli to allow efficient gas exchange The role of the ribs, intercostal muscles and diaphragm in ventilation The differences in composition between inspired and expired air Aerobic respiration in seeds The uses of energy in the body of humans Anaerobic respiration and the oxygen debt This resource contains a large emphasis on the mathematical element of the Biology course. Students are guided through key skills such as percentage change and then challenged to apply

This revision resource includes exam questions, understanding checks and quiz competitions, all of which have been designed to motivate and engage the students whilst they assess their understanding of the content found in topic 2 (Experimental techniques) of the CIE IGCSE Chemistry specification for examination in June and November 2020 and 2021. This revision resource contains an engaging PowerPoint (50 slides) and associated worksheets, some of which have been differentiated to help and challenge differing abilities. The range of activities have been designed to cover as much of the Core and Supplement content as possible but the following sub-topics have been given particular attention: Identify substances and assess purity from melting and boiling point data Describe and explain the method of distillation Understand how fractional distillation separates mixtures according to their boiling points Describe and explain the method of crystallisation Demonstrate knowledge and understanding of paper chromatography Interpret simple chromatograms, including the calculation of the Rf values In addition, topics from other modules such as states of matter at different temperatures are covered so that students can see the importance of being able to make connections and links between Chemistry topics.

This revision resource contains an engaging and informative PowerPoint (55 slides) and differentiated worksheets that will enable the students to assess their understanding of the topic C9 content of the CIE IGCSE Combined Science specification for examination in June and November 2020 and 2021. The range of exam questions (with explained answers), quick tasks and quiz competitions have been designed to cover as much content as possible but the following topics have received particular attention: • The properties of the alkali metals, halogens and noble gases • Explaining the reactivity of these groups in terms of electron configurations • The transition elements • The arrangement of the Periodic Table • Predicting properties of the undiscovered elements The question sheet about the properties of the different groups has been differentiated three ways so that a range of abilities can access the work

This revision resource has been designed to include a range of activities that will engage the students whilst they assess their understanding of the content of topic C12 of the CIE IGCSE Combined Science specification for examination in June and November 2020 and 2021. Exam questions, quick tasks and quiz competitions such as “Are you on FORM” will challenge the students on their recall of the content as well as their ability to apply this knowledge. The lesson was written to cover as much of the content as possible, but the following topics have received particular attention: • The conditions needed for cracking • Alkanes and alkenes as the products of cracking • Alkanes as saturated hydrocarbons with single covalent bonds between their atoms • Alkenes as unsaturated hydrocarbons with one double covalent bond • Testing between saturated and unsaturated hydrocarbons using aqueous bromine solution • The fractional distillation of crude oil • The uses of the fractions This resource contains an engaging PowerPoint (51 slides) and associated worksheets and is ideal for use at the end of this topic or in the lead up to mocks or the actual terminal exams

This is a concise revision resource which has been designed to cover the crucial details of topic C5 (Electricity and chemistry) of the CIE IGCSE Combined Science specification, for examination in June and November 2020 and 2021. The topic of electrolysis is commonly assessed in the examinations so time was taken during the design to ensure that understanding is constantly checked so that any misconceptions are addressed. The following content receives particular attention in this revision lesson: The use of the terms electrolyte, electrode, cathode and anode Understanding that solid ionic compounds cannot be used in electrolysis, but only electrolytes when molten or in aqueous solution The attraction of positive ions to the cathode and the gain of electrons The attraction of negative ions to the anode and the loss of electrons Predicting the products at the electrodes The lesson finishes with a summary task about the electrolysis of aluminium oxide where students have to apply their knowledge. This sheet has been differentiated two ways so that students of different abilities are able to complete the task

This revision resource contains an engaging PowerPoint (56 slides) and associated worksheets, one of which has been differentiated two ways to allow students of differing abilities to access the work. The range of activities cover the content of Topic C4 (Stoichiometry) of the CIE IGCSE Combined Science specification, for examination in June and November 2020 and 2021. The aim was to cover as much of the content as possible but the following topics have received particular attention: Naming compounds containing 2 or 3+ elements Constructing word equations for general chemical reactions Monatomic or diatomic molecules Writing formulae for ionic compounds using the charges on the ions Balancing symbol equations Writing fully balanced chemical symbol equations with state symbols Students are given hints and guidance throughout the lesson so they can build confidence in the lead up to an end of topic test, mocks or the terminal exams.