This bundle contains 35 comprehensive checklist for the Cambridge iGCSE Co-ordinated science syllabus. Updates have been made to B9 and C12&13 have been made (initally incorrect checklist were uploaded Each checklist contains a detailed breakdown of the content students are expected to know. The checklist use a RAG system (Red, Amber, Green) which students use to evaluate their understanding: Red: Students is not familiar with the objective and need to revise Amber: Student is somewhat familiar with the objective but still need to revise Green: Student is confident with the objective. These checklist are fantastic for supporting students with their revision for either end of year exams, end of topic revision or for their actual iGCSE.

Excellent resource suitable for both iGCSE/GCSE Physics syllabus. The lesson includes a starter tasks, videos, student friendly content and questions with answers. Lesson will take 2-3 hours to teach. The content covered includes: Recap of refraction Converging/convex lens: Explanations and how to draw diagrams Step by step instructions on how to draw lens diagrams using convex lens Diverging/concave lens: Explanations and how to draw diagrams Step by step instructions on how to draw lens diagrams using concave lens Calculating magnification using lens diagrams. Refractive index: Snells law Internal reflection and Total internal reflection Calculating the critical angle

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the A1.2 nucleic acids in the new IB Biology specification for both HL and SL. This Powerpoint consists of 63 slides and contains the followings: All the information (both SL and HL) the IB have included in the new spec. Exam tips Clear diagrams Videos Student questions with answers Clearly identified HL and SL content Student checklist The following content is included: A1.2.1: DNA is the universal genetic material of all living organisms. A1.2.1: The structure of a nucleotide A1.2.3: Sugar-phosphate backbone/bonding of DNA and RNA A1.2.4: Bases in DNA and RNA A1.2.5: RNA as a polymer of nucleotides formed by condensation reactions. A1.2.6: Structure of the DNA double helix A1.2.7: Differences between DNA and RNA A1.2.8: Importance of complementary base pairing A1.2.9: Limitless capacity of DNA to store genetic information A1.2.10: Conservation of the genetic code (evidence for common ancestry) A1.2.11: Directionality of DNA and RNA (HL only) A1.2.12: Purine to Pyrimidine base pairing (HL only) A1.2.13: Structure of the nucleosome (HL only) A1.2.14: Hershey-Chase experiment: Evidence of DNA as a genetic material (HL only) A1.2.15: Chargaff´s rule: relative amounts of purine´s and pyrimidine´s (HL only)

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the A4.2 Ecosystems in the new IB Biology specification This Powerpoint consists of 51 slides and contains the followings: All the information ( HL and SL) the IB have included in the new spec. Exam tips Clear diagrams Videos Student research tasks Clearly identified HL and SL content Student checklist The following content is included: A4.2.1: Identify the levels of biodiversity – ecosystem diversity, species diversity and genetic diversity. A4.2.2: Compare the current number of species and past levels of biodiversity. A4.2.3: Describe the causes of anthropogenic species extinction. A4.2.4: Analyse case studies to understand the range of causes of extinction. A4.2.5: Describe the causes of ecosystem loss. A4.2.6: Analyse case studies to understand the range of causes of ecosystem loss. A4.2.7: Analyse evidence for a biodiversity crisis from different sources. A4.2.8: Describe the causes of the current biodiversity crisis. A4.2.9: Describe different ways to conserve biodiversity. A4.2.10: Know the mechanism of conservation prioritisation.

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit C2.1 Chemical signalling in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of over 70 slides and contains the followings: All the information the IB have included in the new spec. Exam tips Clear diagrams Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: C2.1.1: Define the term ligand. C2.1.2: Outline the stages of signal transduction. C2.1.3: Explain the mechanism of quorum sensing in bacteria and discuss its role in bacterial behaviour. C2.1.4: Understand bioluminescence and its importance and applications. C2.1.5: Identify the categories of signalling chemicals in animals ­ hormones, neurotransmitters, cytokines and calcium ions. C2.1.6: Differentiate between different types of signals used by multicellular organisms. C2.1.7: Describe the difference in structure and function of hormones and neurotransmitters. C2.1.8: Demonstrate an understanding of mechanisms that signalling molecules use to produce localised as well as distant effects. C2.1.9: Analyse the role of signalling molecules in the transmission of signals from one part of the body to another. C2.1.10: Compare and contrast transmembrane receptors and intracellular receptors. C2.1.11: Describe the different signalling pathways activated by transmembrane receptors and intracellular receptors. C2.1.12: Explain the mechanisms of initiation of signal transduction pathways. C2.1.13: Compare and contrast different types of transmembrane receptors and their mechanisms of action, including neurotransmitter receptors and G protein-coupled receptors. C2.1.14:Analyse the role of transmembrane receptors in changing membrane potential and activating intracellular signalling pathways. C2.1.15: Explain that positive feedback amplifies the response. C2.1.16: Explain that negative feedback dampens or inhibits the signalling response. C2.1.17: Explain that a balance of both positive and negative feedback is necessary for proper cellular response

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit D4.2: Stability and change in the new IB Biology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint consists of over 60 slides and contains the followings: All the information the IB have included in the new spec. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D4.2.1: Define ‘ecosystem stability’, including some examples of stable ecosystems. D4.2.2: Outline the factors that affect stability and explain tipping points, using deforestation of the Amazon rainforest as an example. D4.2.3: Evaluate the use of models to investigate the effect of variables on ecosystem stability. D4.2.4: Explain the role of keystone species in the stability of ecosystems. D4.2.5: Evaluate the sustainability of resource harvesting from natural ecosystems. D4.2.6: Outline the factors affecting the sustainability of agriculture. D4.2.7: Explain eutrophication and its effects on ecosystems. D4.2.8: Outline biomagnification of pollutants. D4.2.9: Describe the effects of microplastic and macroplastic pollution of the oceans. D4.2.10: Describe the strategies for restoration of natural processes in ecosystems by rewilding. D4.2.11: Define ecological succession and outline the causes. D4.2.12: Describe the changes during primary succession. D4.2.13: Describe cyclical succession. D4.2.14: Distinguish between climax communities and arrested succession.

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit D3.1: Reproduction in the new IB Biology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint consists of over 85 slides and contains the followings: All the information the IB have included in the new spec. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D3.1.1: Differentiate between sexual and asexual reproduction. D3.1.2: Describe the role of meiosis in creating variation in sexually reproducing organisms. D3.1.3: Compare the differences between the male and female sexes. D3.1.4: Draw diagrams of the male (typical) and female (typical) reproductive systems. D3.1.5: Annotate the names of the parts and their functions on the diagrams. D3.1.6: Describe the hormonal regulation of the menstrual cycle. D3.1.7: Elucidate the sequence of events leading to fertilisation. D3.1.8: Explain the role of hormones in IVF. D3.1.9: Describe the mechanism of sexual reproduction in plants. D3.1.10: Explain the features of insect-pollinated flowers. D3.1.11: Draw annotated diagrams of insect pollinated flowers. D3.1.12: Describe strategies that facilitate cross-pollination in plants. D3.1.13: Determine the role of self-incompatibility mechanisms in increasing genetic variation in a plant species. D3.1.14: Explain the mechanism of seed dispersal and germination. D3.1.15: Outline the role of GnRH, LH, FSH and the sex hormones in the changes associated with puberty. D3.1.16: Describe oogenesis and spermatogenesis in humans. D3.1.17: Identify the mechanisms that prevent polyspermy. D3.1.18: Outline the development of the blastocyst and subsequent implantation in the endometrium. D3.1.19: State the role of hCG in pregnancy and pregnancy testing. D3.1.20: Describe the role of the placenta during foetal development. D3.1.21: Discuss the role of hormones in maintaining pregnancy and initiating childbirth. D3.1.22: Correlate between HRT and risk of coronary heart disease

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit D3.2: Inheritance in the new IB Biology specification. YouTube video is a preview of the full resource (does not include all slides) This Powerpoint consists of over 100 slides and contains the followings: All the information the IB have included in the new spec. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Summary The following content is included: D3.2.1: Outline that haploid cells (with a single copy of a gene) produced by each parent can fuse to form a diploid zygote with two copies of a gene. D3.2.2: Explain methods for how flowering plants are genetically crossed. D3.2.3: Distinguish between genotype (combination of inherited alleles) and phenotype (observable traits resulting from genotype plus environmental factors). D3.2.4: Explain the ways that members of the same species can have variety in the gene pool. D3.2.5: Describe the inheritance of different blood types. D3.2.6: Compare and contrast the differences between incomplete dominance and codominance. D3.2.7: Describe that the sperm determines sex in humans. D3.2.8: Describe haemophilia as an example of a sex-linked genetic disorder. D3.2.9: Illustrate how pedigree charts are used to determine inheritance in family members. D3.2.10: Distinguish between continuous variation such as skin colour and discrete variation such as ABO blood group. D3.2.11: Illustrate continuous variables using box-and-whisker plots. D3.2.12: Explain how unlinked genes segregate and assort independently in meiosis. D3.2.13: Predict the inheritance of pairs of unlinked genes in dihybrid crosses. D3.2.14: Predict genotypic and phenotypic ratios in dihybrid crosses of unlinked autosomal genes using Punnett grids. D3.2.15: Explain why linked genes fail to assort independently. D3.2.16: Deduce genotypic and phenotypic possibilities of crosses of individuals heterozygous for two traits with those homozygous recessive for both traits in both linked and unlinked genes. D3.2.17: Calculate statistical significance of observed vs calculated data using chi-squared tests.

This fantastic resources covers the GCSE and iGCSE content for kidney failure. Formed of over 30 slides, this lesson will take approximately 2-3 hours to teach. It contains: Starter slide Retrieval tasks Explanation of kidney failure Explanation of how dialysis works Explanation of transplantation and rejection Comparision of dialysis and transplant Student questions and answers

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the A3.2 Classification and cladistics in the new IB Biology specification (HL only) This Powerpoint consists of 50 slides and contains the followings: All the information ( HL) the IB have included in the new spec. Exam tips Clear diagrams Videos Student research tasks Clearly identified HL and SL content The following content is included: A3.2.1: Explain why a classification system is needed. (HL only) A3.2.2: Describe difficulties with the traditional hierarchy of taxa. (HL only) A3.2.3: Describe the advantages of basing classification on evolutionary relationships. (HL only) A3.2.4: Define a clade. (HL only) A3.2.5: Explain how the gradual accumulation of sequence changes can be used to determine the time since a common ancestor diverged into extant species (HL only) A3.2.6: Describe how base or amino acid sequences can be used in the construction of cladograms. (HL only) A3.2.7: Deduce evolutionary relationships from cladograms. (HL only) A3.2.8: Describe how cladistics can be used to assess whether classifications correspond to evolutionary relationships. (HL only) A3.2.9: Describe how the analysis of rRNA base sequences led to the introduction of the domain taxa. (HL only)

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the Theme/Unit C4.2 Transfer of energy and matter in the new IB Biology specification. **YouTube video is a preview of the full resource (does not include all slides) ** This Powerpoint consists of over 80 slides and contains the followings: All the information the IB have included in the new spec. Clear diagrams Student friendly content Summary videos Student research tasks Clearly identified HL and SL content Student checklist Exam style questions Summary The following content is included: C4.2.1: Explain the concept of ecosystems as open systems. C4.2.2: Describe the role of sunlight in ecosystems. C4.2.3: Outline the flow of energy through food chains and food webs. C4.2.4: Construct food chains and food webs to represent feeding relationships in a community. C4.2.5: Describe the role of decomposers in nutrient cycling. C4.2.6: Distinguish between autotrophic and heterotrophic modes of nutrition. C4.2.7: Classify organisms into trophic levels based on their position in a food chain or food web. C4.2.8: Construct an energy pyramid based on ecological data. C4.2.9: Explain the factors that contribute to energy losses in food chains. C4.2.10: Outline the causes and consequences of heat dissipation in food chains. C4.2.11: Describe the factor that restricts the number of trophic levels in a food chain. C4.2.12: Compare and contrast primary and secondary productivity. C4.2.13: Explain the factors that affect primary productivity in an ecosystem C4.2.14: Construct an accurate diagram of the carbon cycle. C4.2.15: Explain the factors influencing an ecosystem’s capacity to function as a carbon sink or a source. C4.2.16: Discuss the impact of deforestation on the carbon cycle.  C4.2.17: Describe how combustion of fossil fuels and biomass affects the carbon cycle. C4.2.18: Analyse and explain the short-term and long-term trends shown in the Keeling Curve. C4.2.19: Explain the significance of photosynthesis and aerobic respiration in sustaining life on Earth. C4.2.20: Explain the importance of cycles of matter in the functioning of ecosystems.

This revision PowerPoint contains 68 slides and is perfect to prepare students for their end of year exams or their final iGCSE. This can be used to deliver several lessons, or given to students for independent revision. This resources contains fantastic diagrams and key information in a student friendly manner. The topics covered in this resource include: Plant nutrition Human nutrition Transport in plants Transport in animals Disease and immunity

This bundle consists of 9 end of unit exams for Theme/Unit C of the new IB Biology specification: C1.1: Enzymes C1.2: respiration C1.3: photosynthesis C2.1: Chemical signalling (HL only) C2.2: Neural signalling C3.1: Integration of body systems C3.2: Defence against disease C4.1: Populations and communities C4.2: Transfer of energy and matter Each exam can be used as an end of topic exam and consists of: 10 multiple choice questions Questions using IB command terms: state, explain, analyse, describe Data based question Mark schemes included

This fantastic resources covers the GCSE and iGCSE content for the The Eye. Formed of over 30 slides, this lesson will take approximately 1-2 hours to teach. It contains: Starter slide with engaging starter Key structure of the eye Explanation of how the eye adjust to near and far objects Iris reflex

This fantastic resources covers the GCSE and iGCSE content for thermoregulation. Formed of over 30 slides, this lesson will take approximately 2-3 hours to teach. It contains: Starter slides Retrieval tasks for other biology topics Negative feedback All key notes and definitions required Explanations on how the body responds to high and low temperatures Plenty of exam style questions with answers

This fantastic resources covers the GCSE and iGCSE content for infertility treatments. Formed of over 20 slides, this lesson will take approximately 2-3 hours to teach. It contains: Starter slide Hormones involved in IVF Steps of IVF Exploring ethical issues of IVF Student led case study activity

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the A2.2 Cell Structure in the new IB Biology specification for both HL and SL. This Powerpoint consists of 114 slides and contains the followings: All the information (both SL and HL) the IB have included in the new spec. Exam tips Clear diagrams Videos Student questions with answers Clearly identified HL and SL content Student checklist The following content is included: A2.2.1: cells as the basic structural unit of life. A2.2.2: Microscopy skills A2.2.3: Development of microscopes A2.2.4: Structures which are common to cells in all living things A2.2.5: Structure of prokaryotic cells A2.2.6: Eukaryotic cell structure A2.2.7: Processes of life in unicellular organisms A2.2.8: Differences in eukaryotic cell structure between animal, fungi and plants A2.2.9: Atypical structures in eukaryotes A2.2.10: Cell types and structures viewed in light and electron microscopes A2.2.11: Drawing and annotating based on electron micrographs. A2.2.12: Origin of eukaryotic cells by endosymbiosis A2.2.13: Cell differentiation as the process for developing specialised tissues in organisms Note: Please review and provide feedback

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here This PowerPoint contains everything you need to teach the A4.1 Evolution and speciation in the new IB Biology specification This Powerpoint consists of 56 slides and contains the followings: All the information ( HL and SL) the IB have included in the new spec. Exam tips Clear diagrams Videos Student research tasks Clearly identified HL and SL content Student checklist The following content is included: A4.1.1: Evolution as change in heritable characteristics of a population. A4.1.2-5: Evidence for evolution A4.1.5-7: Speciation A4.1.8: Types of speciation: allopatric vs sympatric (HL only) A4.1.9-10: Adaptive radiation and barriers to hybridisation (HL only). A4.1.11: Hybridisation and polypoid in speciation (HL only)