GCSE AQA Trilogy Combined Science Biology Paper 2 Revision Lesson 1-2 hour revision lesson covering key concepts in GCSE AQA Combined Science Biology, with a focus on Paper 2 topics (B5, B6 and B7). Includes 72 marks of practice exam questions (with answers) on… B5 - Homeostasis & Response B6 - Inheritance, Variation & Evolution B7 - Ecology Aimed at Foundation students, but could also be used with Higher.

**GCSE AQA Trilogy Combined Science Biology Paper 1 Revision Lesson ** 1 hour revision lesson on Common Mistakes and Misconceptions in GCSE AQA Combined Science Biology, with a focus on Paper 1 topics (B1, B2, B3 and B4). Includes… Common mistakes and misconceptions in topic B3 (Infection and Response), with exam tips, practice questions and answers. Common mistakes and misconceptions in topic B4 (Bioenergetics), with exam tips, practice questions and answers. Retrieval quiz (with answers) on topics B1 (Cell Biology) and B2 (Organisation). 6 mark exam question practice (with mark schemes) for foundation tier and higher tier students.

A full lesson on Monoclonal Antibodies, covering the following LOs… State what a monoclonal antibody is and how they work. Describe how monoclonal antibodies are produced. Explain the different uses of monoclonal antibodies. Lesson includes starter task, practice exam questions (with mark scheme), and plenary.

A full lesson on Antigens and Immunity, covering the following LOs… Define the term antigen. Explain why antigen recognition is important for the immune system. Explain why the surface molecules of some cells act as antigens. Lesson includes starter task (prior knowledge check questions and answers), and practice exam questions (and mark scheme).

A full 60 minute lesson on Quantitative Investigations of Diversity, covering the following LOs… Explain how random samples can be obtained. Explain what standard deviation is and how it is calculated. Represent raw and processed data clearly using tables and graphs. Interpret data in terms of means and the overlap of standard deviation bars. Apply knowledge of, to draw and explain conclusions. Evaluate the quality of results and reliability of conclusions. Lesson includes starter task, recall questions (and answers), and also practice exam questions (and mark scheme).

A full lesson on Investigating Diversity, covering the following LOs… Explain how the results of DNA hybridisation and biochemical analysis can be used to suggest relationships between different organisms within/between species. Interpret data obtained from DNA hybridisation or biochemical analysis. Explain how gene technology has changed the way in which relationships between organisms are worked out. Evaluate direct DNA/protein sequencing against methods of measuring the frequency of characteristics. Lesson includes starter task, and practice exam questions (and mark scheme).

A full lesson on Advances in Classification Technologies, covering the following LOs… Explain how the results of genetic sequencing and immunological analysis can help us to update our understanding of evolutionary relationships. Interpret results from genetic and immunological analysis, to draw valid conclusions as to evolutionary relationships between organisms. Lesson includes starter task, and practice exam questions (and mark scheme).

A full 60 minute lesson on Mutations, covering the following LOs… Describe the different types of gene (point) mutations. Explain how deletion, insertion and substitution of bases result in different amino acid sequences in polypeptides. Explain why some mutations do not result in a changed amino acid sequence. Describe what chromosome mutations are. Lesson includes starter task, summary questions (and answers), plenary, and also a homelearning task with practice exam questions (and mark scheme).

Revision pack for students to fill out (including exam tips and practice questions), covering the following topics on the immune system… LO1) Describe the physical and chemical (non-specific) defences against pathogens in animals, including the skin, blood clotting, wound repair, inflammation, expulsive reflexes and mucous membranes. LO2) Describe the structure and mode of action of phagocytes in the non-specific (innate) immune response, including neutrophils and antigen-presenting cells and the roles of cytokines, opsonins, phagosomes and lysosomes. LO3) Describe the structure, different roles and modes of action of T lymphocytes in the specific (adaptive) immune response, including clonal selection and clonal expansion, T helper cells, T killer cells, T regulatory cells and memory cells. LO4) Describe the structure, different roles and modes of action of B lymphocytes in the specific (adaptive) immune response, including plasma cells and memory cells. LO5) Explain the significance of cell signaling, with reference to interleukins. LO6) Examine and draw cells observed in blood smears. LO7) Describe the structure and functions of antibodies. LO8) Describe the actions of agglutinins and anti-toxins. LO9) Describe the difference between primary and secondary immune responses, including the roles of T memory and B memory cells. LO10) Describe the differences between active and passive immunity, and between natural and artificial immunity, and state examples of each. LO11) Describe what autoimmunity is, and give examples. LO12) Explain the main principles of vaccination and the role of vaccination programmes in the prevention of epidemics.

iGCSE Science: Reliability, Accuracy, and Validity Lesson Pack- Evaluating Experimental Data Lesson pack designed to help students understand the difference between reliability, accuracy and validity when evaluating experimental data. Created for iGCSE, but can be easily adapted to suit other exam boards. Lesson consists of… Differentiated learning objectives. RAG starter questions with extension activity, key word handouts, and answers. Accurate vs. reliable dartboard activity with worksheets. BIG PHARMA Bingo activity, with bingo statements and 15 bingo cards. “Would I lie to you?” plenary. Works really well for Year 9, 10 or 11.

A full lesson on T-Lymphocytes, covering the following LOs… Describe what is meant by the specific immune response. Explain the cell-mediated (cellular) immune response. Explain the roles played by helper T-cells, cytotoxic T-cells, and memory T-cells. Lesson includes starter task, and plenary (application questions and answers).

Presentation covering the following information… LO1) Describe the physical and chemical (non-specific) defences against pathogens in animals, including the skin, blood clotting, wound repair, inflammation, expulsive reflexes and mucous membranes. LO2) Describe the structure and mode of action of phagocytes in the non-specific (innate) immune response, including neutrophils and antigen-presenting cells and the roles of cytokines, opsonins, phagosomes and lysosomes. LO3) Describe the structure, different roles and modes of action of T lymphocytes in the specific (adaptive) immune response, including clonal selection and clonal expansion, T helper cells, T killer cells, T regulatory cells and memory cells. LO4) Describe the structure, different roles and modes of action of B lymphocytes in the specific (adaptive) immune response, including plasma cells and memory cells. LO5) Explain the significance of cell signaling, with reference to interleukins. To accompany my “AS Immune System” Student Revision Booklet Pack (see other resources).

A full 60 minute lesson on Classification, covering the following LOs… Explain the hierarchical taxonomic ranks used in the classification of species. Interpret phylogenetic trees. Apply knowledge to identify different taxonomic ranks from information provided. Appreciate the difficulties in constructing valid phylogenetic classifications. Lesson includes starter task, links to GCSE biology, summary questions (and answers), recap questions (and answers), and also practice exam questions (and mark scheme).

A full 60 minute lesson on Genetic Diversity and Adaptation, covering the following LOs… Explain why organisms are different from one another. Describe what factors influence genetic diversity. Explain how reproductive success affects allele frequency within a gene pool. Explain how genetic diversity enables natural selection. Lesson includes starter task, summary questions (and answers), plenary, and also a homelearning task with practice exam questions (and mark scheme).

Full KS3 (Year 8) lesson on combustion, including differentiated starter and plenary. Covers the following LOs… LO) To describe the differences between complete and incomplete combustion. State the products of complete and incomplete combustion. Describe the problems associated with the products of incomplete combustion. Construct word and symbol equations for the complete combustion of simple hydrocarbons.

Full lesson on voluntary vs involuntary reactions, 3 different types of neurones (sensory, relay and motor), and reflex arcs.

A full lesson on Photosynthetic Pigments and Chromatography, covering the following LOs… State the precise location of the pigments involved in photosynthesis within the leaf. Outline the role of the leaf pigments in photosynthesis. Explain why many plants have a variety of photosynthetic pigments. Describe how to investigate photosynthetic pigments using chromatography. Lesson includes starter task, two sets of practice exam questions (and mark schemes), practical questions, and student sheet for Required Practical 7 - Use of chromatography to investigate the pigments isolated from leaves of different plants.