This lesson bundle contains 10 lessons which are fully-resourced and have been designed to cover the content as detailed in topic 8 of the Edexcel A-level Biology B specification (Origins of genetic variation). Each lesson includes a wide range of activities that will engage and motivate the students whilst covering the following topic 8 specification points: Mutations are the source of new variations Random assortment and crossing over in meiosis give rise to new combinations of alleles in gametes Random fertilisation brings about genetic variation The meaning of genetic terms Be able to construct genetic crosses and pedigree diagrams The inheritance of two non-interacting unlinked genes Autosomal linkage as the presence of alleles on the same chromosome Sex linkage on the X chromosome Use the chi squared test to determine the significance of the difference between observed and expected results Stabilising and disruptive selection Genetic drift Population bottlenecks and the founder effect Monitoring changes in allele frequencies using the Hardy Weinberg equation If you would like to sample the quality of the lessons in this bundle then download the sex linkage and genetic drift lessons as these have been uploaded for free

Normally the first topic to be taught in the second year of the AQA A-level Biology course, topic 5 contains some very important biological processes which include photosynthesis, respiration and energy transfer between organisms. All of the 13 lessons that are included in this bundle are highly detailed and have been planned at length to ensure that students remain motivated and engaged whilst being constantly challenged on their current understanding. Links to previously-covered topics are also made throughout the lessons. The following specification points are covered in these lessons: TOPIC 5.1 The light-dependent reaction of photosynthesis The use of reduced NADP and ATP from the light-dependent reaction in the light-independent reaction The light-independent reaction of photosynthesis Environmental factors that limit the rate of photosynthesis TOPIC 5.2 Respiration produces ATP Glycolysis as the first stage of aerobic and anaerobic respiration The conversion of pyruvate to lactate or ethanol in the anaerobic pathways The link reaction and the Krebs cycle Synthesis of ATP by oxidative phosphorylation Other respiratory substrates TOPIC 5.3 Gross primary production and net primary production The net production of consumers Farming practices designed to increase the efficiency of energy transfer If you would like to sample the quality of the lessons in this bundle, then download the chloroplast structure, anaerobic respiration, oxidative phosphorylation and GPP lessons as these have been uploaded for free

This bundle of 10 lessons covers the majority of the content in the sub-topic C2.2 (Bonding) of the OCR Gateway A GCSE Combined Science specification. The topics and specification points covered within these lessons include: Describe metals and non-metals and explain the differences between them Formation of ions Common reactions of metals Explain how the atomic structure of metals and non-metals relates to their position in the Periodic Table Explain how electron arrangement is related to group and period number Describe and compare the nature and arrangement of chemical bonds in ionic compounds, simple molecules, giant covalent structures, polymers and metals Explain chemical bonding in terms of electrostatic forces and as the transfer or sharing of electrons Construct dot and cross diagrams for simple covalent structures and ionic substances All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

These 9 lessons are highly detailed and are filled with a wide range of tasks that will engage the students whilst covering the following specification points in topics 4.4, 4.5, 4.6 and 4.7 of the AQA A-level Biology specification: 4.4 Genetic diversity as the number of different alleles of genes in a population and a factor enabling natural selection to occur The principles of natural selection in the evolution of populations Directional and stabilising selection Natural selection results in anatomical, physiological or behavioural adaptations 4.5 Two organisms belong to the same species if they are able to produce fertile offspring The taxonomic hierarchy comprising domain, kingdom, phylum, class, order, family, genus and species The use of the binomial name to identify species 4.6 Biodiversity can relate to a range of habitats Species richness Calculating an index of diversity The balance between conservation and farming 4.7 Investigating genetic diversity with, or between species, by comparing observable characteristics or nucleic acids and the structure of proteins Calculating and interpreting the mean and standard deviation If you download the natural selection and standard deviation lessons which have been shared for free then you will be able to see the quality of lessons included in this bundle

This bundle of 12 lessons covers the majority of the content in Topic C3 (Physical chemistry) of the Edexcel iGCSE Chemistry specification. The sub-topics and specification points covered within these lessons include: [a] Energetics Know that chemical reactions can be endothermic or exothermic reactions Calculate the heat energy change using the expression involving specific heat capacity Draw energy level diagrams to represent endothermic and exothermic reactions Use bond energies to calculate the enthalpy change [b] Rates of reaction Describe experiments to investigate the effect of changing surface area, concentration, temperature and the addition of a catalyst on the rate of reaction Describe and explain the effects of changing surface area, concentration and temperature on a rate of reaction with reference to the collision theory Know the definition of a catalyst and understand how it reduces the activation energy of a chemical reaction Draw and explain reaction profile diagrams [c] Reversible reactions and equilibria Know that some reactions are reversible Know the characteristics of a reaction at dynamic equilibrium Know the effect of changing either the temperature of pressure on the position of the equilibrium All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 8 lessons covers a lot of the content in Topic P6 (Radioactivity) of the OCR Gateway A GCSE Physics specification. The topics covered within these lessons include: Atoms and Isotopes The properties of alpha, beta and gamma radiation Nuclear equations Half-life Background radiation Irradiation and contamination Nuclear fission All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 7 lessons covers the majority of the content in Topic B7 (Ecology) of the AQA Trilogy GCSE Combined Science specification. The topics covered within these lessons include: Competition Abiotic and biotic factors Food chains Using quadrats and transects The Carbon cycle Biodiversity Deforestation and land use All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 8 lessons covers the majority of the content in Topic B3 (Infection and response) of the AQA GCSE Biology specification. The topics covered within these lessons include: Communicable diseases Viral diseases Bacterial diseases Fungal diseases Protist diseases Human defence systems Preventing disease by vaccinations Antibiotics Discovery and development of drugs Producing monoclonal antibodies Uses of monoclonal antibodies Plant disease Plant defence responses All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 10 lessons covers the majority of the content in Topic B5 (Genes, inheritance and selection) of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include: Variation Types of reproduction Meiosis Genetic diagrams Sex determination Classification Evolution by natural selection Evidence for evolution All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding. It is estimated that this bundle would cover about 6 week’s worth of lessons.

This bundle of 10 lessons covers the majority of the content in Topic C2 (Bonding, structure and properties of matter) of the AQA Trilogy GCSE Combined Science specification. The topics covered within these lessons include: Formation of ions Ionic bonding Ionic compounds Covalent bonding Metallic bonding Simple molecular substances Polymers and Giant covalent structures Allotropes of carbon States of matter Changing state All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 9 lessons covers a lot of the key content in Topic P3 (Electricity and magnetism) of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include: Current and charge Potential difference Electrical circuit symbols Resistance and Resistors Circuit devices Series and parallel circuits Circuit calculations Energy and power in circuits All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 9 lessons covers all of the content in the sub-topic P3.2 (Simple circuits) of the OCR Gateway A GCSE Combined Science specification. The topics covered within these lessons include: The differences between series and parallel circuits Represent direct current circuits with the common electrical symbols Current and the dependence on resistance and potential difference Recall and apply the relationship between I, V and R The graphs for thermistors and LDRs Diodes Net resistance Current, potential difference and resistance calculations in series and parallel circuits Power transfer in a circuit Applying the equations to do with electrical circuits All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle contains 11 fully-resourced lessons which will engage and motivate the students whilst covering the following specification points in topics 7 and 8 of the CIE A-level Biology specification: TOPIC 7 The structure of xylem vessel elements, phloem sieve tube elements and companion cells The relationship between the structure and function of xylem vessel elements, phloem sieve tube elements and companion cells Explain how hydrogen bonding of water molecules is involved with the movement in the xylem by cohesion-tension in transpiration pull and adhesion to cell walls The pathways and mechanisms by which water and mineral ions are transported from the soil to the xylem and from roots to leaves Assimilates move between sources and sinks between phloem sieve tubes The mechanism by which sucrose is loaded into the phloem The mass flow of phloem sap down a hydrostatic pressure gradient TOPIC 8 The double, closed circulatory system of a mammal The relationship between the structure and function of arteries, veins and capillaries The role of haemoglobin in carrying oxygen and carbon dioxide The significance of the oxygen dissociation curve of adult haemoglobin at different carbon dioxide concentrations The external and internal structure of the heart The cardiac cycle The role of the SAN, AVN and Purkyne tissue in the initiation and conduction of the heart action The lesson PowerPoints and accompanying resources contain a wide range of tasks which include exam-style questions with mark schemes, discussion points and quiz competitions that will check on current understanding as well as making links to previously covered topics.

This bundle of 8 lessons covers the majority of the content in the sub-topic C6.1 (Improving processes and products) of the OCR Gateway A GCSE Combined Science specification. The topics and specification points covered within these lessons include: Extracting metals by using carbon Explain why and how electrolysis is used to extract metals from their ores Alternative biological methods of metal extraction The separation of crude oil by fractional distillation The fractions as alkanes The production of useful products by cracking All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 8 lessons covers the majority of the content in Topic B11 (Inheritance) of the core and supplement sections of the Cambridge iGCSE Science Double Award specification. The topics covered within these lessons include: Inheritance as the transmission of genetic information Chromosomes, genes and alleles Inheritance of sex in humans (XX and XY) The haploid and diploid nucleus Mitosis and the production of genetically identical cells Meiosis and the production of gametes Understanding genetic terminology (e.g. genotypes) Using Punnett crosses to interpret the results of monohybrid crosses Interpret pedigree diagrams Phenotypic and genetic variation Continuous and discontinuous variation Natural selection Selective breeding All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding

This bundle of 7 lessons covers a lot of the content in Topic B5 (Health, disease and development of medicines) of the Edexcel GCSE Combined Science specification. The topics covered within these lessons include: Health The difference between communicable and non-communicable diseases Pathogens Common infections The spread of diseases and the prevention The spread of STIs The physical and chemical defences of the human body The use of antibiotics Developing new medicines Non-communicable diseases Treating cardiovascular disease All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

This bundle of 10 lessons covers a lot of the content in Topic C4 (Extracting metals and equilibria) of the Edexcel GCSE Combined Science & GCSE Chemistry specifications. The topics covered within these lessons include: Reactivity of metals Redox reactions Extracting metals Biological metal extraction Reversible reactions The conditions of the Haber Process Temperature and the position of equilibrium Pressure and the position of equilibrium All of these lesson presentations and accompanying resources are detailed and engaging and contain regular progress checks to allow the students to constantly assess their understanding.

The biological molecules topic is incredibly important, not just because it is found near to the start of the course, but also because of its detailed content which must be well understood to promote success with the other 18 CIE International A-level Biology topics. Many hours of intricate planning have gone into the design of all of the 11 lessons that are included in this bundle to ensure that the content is covered in detail, understanding is constantly checked and misconceptions addressed and that engagement is high. This is achieved through the wide variety of tasks in the PowerPoints and accompanying worksheets which include exam-style questions with clear answers, discussion points, differentiated tasks and quick quiz competitions. The following specification points are covered by the lessons within this bundle: Tests for reducing and non-reducing sugars The iodine test for starch The emulsion test for lipids The biuret test for proteins The ring forms of alpha and beta glucose The meaning of the terms monomer, polymer, macromolecule, monosaccharide, disaccharide and polysaccharide The formation of a glycosidic bond by a condensation reaction The breakage of glycosidic bonds by hydrolysis reactions The relationship between the molecular structure and functions of a triglyceride The relationship between the structure and functions of a phospholipid The structure of an amino acid and the formation and breakage of a peptide bond The meaning of the different protein structures and the types of bonding that hold these molecules in shape The molecular structure of haemoglobin and collagen as examples of globular and fibrous proteins The relationship between the properties and roles of water in living organisms The lesson on the biuret test for proteins and the emulsion test for lipids also contains a section which can be used for the revision of topics 2.2 and 2.3 Due to the detail of each of these lessons, it is estimated that it will take in excess of 4 weeks of allocated teaching time to cover the content. If you would like to see the quality of the lessons, download the alpha and beta glucose, phospholipids and haemoglobin and collagen lessons as these have been shared for free

As the first topic to be taught at the start at the second year of the Edexcel International A-level Biology course, topic 5 is very important and the content includes the key reaction of photosynthesis. All 9 of the lessons included in this bundle are highly detailed and have been filled with a wide variety of tasks which will engage and motivate the students whilst covering the following specification points: The overall reaction of photosynthesis The phosphorylation of ADP and the hydrolysis of ATP The light-dependent reactions of photosynthesis The light-independent reactions of photosynthesis The products of the Calvin cycle The structure of the chloroplasts and the role of this organelle in photosynthesis Be able to calculate net primary productivity Know the relationship between NPP, GPP and R Understand the meaning of the terms ecosystem, community, population and habitat The numbers and distribution of organisms in a habitat are controlled by biotic and abiotic factors The concept of niche The effect of temperature on the rate of enzyme activity and the calculation of the Q10 Isolation reduces gene flow and leads to allopatric and sympatric speciation If you would like to sample the quality of the lessons in this bundle, then download the products of photosynthesis lesson as this has been uploaded for free

Meiosis, genetic inheritance and the control of gene expression are some of the harder topics on this A-level Biology course and all three are covered in topic 16 (Inherited change) of the CIE A-level Biology specification. The 10 lessons included in this bundle have been planned at length and contain a wide range of tasks that cover the detailed content whilst checking on understanding and key terms and values are introduced through engaging quiz competitions. The following topic 16 specification points are covered by these lessons: Topic 16.1 The meaning of a homologous pair of chromosomes The behaviour of chromosomes in animal and plant cells during meiosis Genetic variation is caused by crossing over, random assortment and the random fusion of gametes at fertilisation Topic 16.2 The meaning of key genetic terms Using genetic diagrams to solve problems involving mohohybrid and dihybrid crosses, including those involving autosomal linkage, sex linkage, codominance, multiple alleles and gene interactions Use the chi-squared test to test the significance of differences between observed and expected results Gene mutations occur by substitution, deletion and insertion and may affect the phenotype Topic 16.3 The genetic control of protein production in a prokaryote as shown by the lac operon The function of transcription factors in gene expression in eukaryotes Gibberellins and DELLA protein repressors If you would like to sample the quality of the lessons included in this bundle, then download the autosomal linkage and chi-squared test lessons as these have been uploaded for free