Key Stage 4 ~ GCSE Biology~ full lesson on Microscopes. In this lesson pupils will name the parts of a microscope, describe the procedure for preparing and viewing microscope slides and use the formula for magnification calculations. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Task boxes -Discussion exercise -Numeracy Task -Extension numeracy task -Handout sheet task -Order the steps -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. Discussion/extension answers are in the ppt notes. -Next lesson Specialised Cells https://www.tes.com/teaching-resource/resource-12829988 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Stem Cells. In this lesson pupils will describe what a stem cell is, explain some uses for stem cells and discuss the ethics of stem cell use. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Task boxes -Debate exercise -Comprehension questions -Plant stem cells walkthrough exercise -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. Discussion/extension answers are in the ppt notes. -Next lesson Mitosis https://www.tes.com/teaching-resource/resource-12830872 Resources are available to accompany this lesson: https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Pyramids of Biomass and Biomass Transfer. In this lesson pupils will explain why there is less biomass further up the food chain, draw pyramids of biomass to the correct scale and explain why pyramids of numbers and pyramids of biomass can look different. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Task boxes -Numeracy questions -Drawing a pyramid of biomass to scale -Note taking slide -Discussion exercise -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. Discussion/extension answers are in the ppt notes. -Next lesson Food Security and Farming https://www.tes.com/teaching-resource/-12984074 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Decay and Biogas. In this lesson pupils will explain the factors affecting the rate of decay, describe the role of decomposers in the carbon cycle and describe how biogas is produced and how it is used. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Task boxes -Discussion exercise -Matching task -Comprehension questions -Note taking exercise -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. Discussion/extension answers are in the ppt notes. -Next lesson Global Warming https://www.tes.com/teaching-resource/resource-12856519 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ second in a two-part lesson on Photosynthesis (the first part can be found here https://www.tes.com/teaching-resource/resource-12953622). In this lesson pupils will describe how different factors affect the rate of photosynthesis, describe an experiment for measuring the rate of photosynthesis and explain the shape of the graphs different factors produce. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. Note: The equation for photosynthesis and uses of glucose are a separate lesson and not included in this one. This lesson includes: -Title slide with learning objectives -A starter activity (two options here; a recap of the transpiration practical as students often get the two muddled OR a photosynthesis equation recap). -Group reading (literacy) -Task boxes -Discussion exercise -Handout sheet task -Order the steps -Numeracy task (inverse square law) -Comprehension questions -Data task -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge apart from the keyword pathogen which means disease-causing microorganism (germs). Discussion/extension answers are in the ppt notes. -Next lesson Metabolism https://www.tes.com/teaching-resource/resource-12954344

PowerPoint presentation and worksheet on global warming for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Content Covered: -What is global warming? -Sea levels rising -More frequent extreme weather -Loss of biodiversity -Changes in species distribution -Natural greenhouse effect -Climate change caused by human activity -Carbon dioxide and methane Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on speciation for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows on from Evolution (https://www.tes.com/teaching-resource/resource-12557498) Content Covered: -Definition of a species -Isolated populations -Geographical isolation -The work of Alfred Russel Wallace Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on antibiotic resistance for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows on from Evolution (https://www.tes.com/teaching-resource/resource-12557498) Content Covered: -Emergence of resistant strains by mutation -Population growth of antibiotic resistant bacteria through natural selection -Misuse of antibiotics -Development of new antibiotics Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on fertilisation and implantation. In this lesson students will learn how to explain the process of how sexual intercourse occurs, describe how gametes are able to perform their function and to describe the process of fertilisation and implantation. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. This lesson includes: -Title slide with learning objectives -Starter task (recall from previous units) -Group reading task -Keywords task (vocabulary: fertilisation, ejaculation, gametes, implantation and cilia) -Putting the stages of sexual intercourse in order -Multiple choice consolidation task -Draw and Label the diagram (fertilisation and embryo division) -All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. -Next lesson fetus development https://www.tes.com/teaching-resource/-12977275 www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on the carbon cycle for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Content Covered: -Forms of carbon in living organisms -Recap of photosynthesis -Carbon movement through the food chain -Carbon release by respiration -Carbon release by decomposers -Carbon release by combustion -Overview of the carbon cycle -Guide to identifying processes in carbon cycle diagrams Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 9 ~ A short lesson on Fingerprinting and a full lesson on DNA Fingerprinting. Fingerprinting In this lesson pupils will describe how fingerprints are made and explain how forensic scientists match fingerprints to solve crimes. -Title slide with learning objectives -A starter activity -Group reading (literacy) -Comprehension questions -Task boxes -Discussion exercise -Answer slides included for self-assessment DNA Fingerprinting In this lesson pupils will explain what is meant by DNA fingerprinting, describe how it works and discuss some uses for it. -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: DNA fingerprinting, agarose gel, well, extracted and analysis) -Task boxes -Handout sheet task -Order the steps -Answer slides included for self-assessment Next lesson Blood Typing https://www.tes.com/teaching-resource/resource-12828014 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Two full lessons; one on Time of Death and one on Pathology. These lessons focus on the ecology of decomposition and testing methodology. Human remains are not featured in these lessons. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the Activate 3 KS3 course. Time of Death In this lesson pupils will describe how forensic scientists work out time of death, explain some complicating factors, look at the role of decomposition in ecosystems and factors affecting the rate of decomposition. -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: decomposition, decomposers, scavengers, fungi and faeces) -Task boxes -Order the steps -Numeracy questions -Handout sheet task -Answer slides included for self-assessment Pathology In this lesson pupils will describe what a pathologist is, describe how dental records can be used to solve crimes and give some examples of pathology testing in hospitals to diagnose diseases. -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: pathologist, post-mortem, dental, oral, aural) -Task boxes -Comprehension questions -Discussion exercise -Answer slides included for self-assessment Next lesson Revision https://www.tes.com/teaching-resource/resource-12828647 https://www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on specialised cells for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows the AQA Biology GCSE syllabus. Leads on to Stem Cells: https://www.tes.com/teaching-resource/stem-cells-slides-and-worksheet-gcse-biology-aqa-12317132 Content Covered: Specialised cells Muscle, nerve and sperm cells Xylem, phloem, root hair and guard cells Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Stem cells lesson https://www.tes.com/teaching-resource/resource-12829988

PowerPoint presentation and worksheet on microscopy for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource covers the AQA Biology GCSE syllabus. There is a free accompanying resource covering the onion cell microscopy practical: https://www.tes.com/teaching-resource/microscopy-practical-onion-cells-12329755 Content Covered: Light microscopes Electron microscopes Resolution vs magnification Calculations Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Microscopy lesson https://www.tes.com/teaching-resource/resource-12829559

Key Stage 4 ~ GCSE Biology~ lesson on Correcting Vision Defects. In this lesson pupils will describe how we focus on near and far objects, explain why some people are long-sighted or short-sighted and describe treatments for vision defects. Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. Follows the GCSE Biology AQA course. Eye anatomy and controlling pupil size is a separate lesson which can be found here https://www.tes.com/teaching-resource/resource-13000956 This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: accommodation, myopia, hyperopia, slacken and refract). -Task boxes -Handout sheet task -Order the steps -Comprehension questions -Answer slides included for self-assessment -Suitable for remote, online, distance learning -Suitable for supply teaching and home learning. This is fully self-explanatory and can be delivered without specialist knowledge. It does assume that the anatomy of the eye has already been introduced. Discussion/extension answers are in the ppt notes. -Next lesson Controlling Body Temperature https://www.tes.com/teaching-resource/resource-13026226

PowerPoint presentation and worksheet on enzymes for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows the AQA Biology GCSE syllabus. Leads on to Digestive Enzymes: https://www.tes.com/teaching-resource/digestive-enzymes-slides-and-worksheet-gcse-biology-aqa-12336629 Content Covered: Enzymes overview Active sites and substrates Lock and key model vs. induced fit model Effect of pH and temperature Denaturation Calculating reaction rate Digestive enzymes are covered in a separate resource which can be downloaded for free here: https://www.tes.com/teaching-resource/digestive-enzymes-with-worksheet-gcse-biology-aqa-12336629 Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Enzymes lesson https://www.tes.com/teaching-resource/resource-12842558 Enzymes revision lesson (theory) https://www.tes.com/teaching-resource/resource-12903132 Enzymes revision lesson (practical) https://www.tes.com/teaching-resource/resource-12844622

PowerPoint presentation and worksheet on photosynthesis for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource follows the AQA Biology GCSE syllabus. Related topic Respiration: https://www.tes.com/teaching-resource/resource-12360359 Content Covered: Photosynthesis reaction Plant uses for glucose Rate of photosynthesis and limiting factors Ideal conditions for photosynthesis Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on evolution for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Next topic Cloning: https://www.tes.com/teaching-resource/resource-12625511 Content Covered: Variation Competition between animals Competition between plants Darwin and Lamarck Antibiotic resistant bacteria as an example Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo