Presentation and practical handout for observing onion cells under a light microscope for teaching and revision. A step by step visual guide for all abilities. Can be used as a distance based learning tool during local covid lockdown and in classes where practicals are on-hold due to coronavirus. Can be used with Microscopy Slides and Worksheet: https://www.tes.com/teaching-resource/resource-12332237 Content covered: Light microscope parts Slide preparation Using a microscope Drawing and labeling observations 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

PowerPoint presentation and worksheet on binary fission of bacteria and other prokaryotic 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 but is also applicable to other courses. Next topic Cell Organisation: https://www.tes.com/teaching-resource/resource-12321911 Content Covered: -Prokaryotic cell division -Mean division time calculations Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Binary fission lesson https://www.tes.com/teaching-resource/resource-12831346

Powerpoint and worksheet on contraception for teaching and revision. This resource follows the AQA Biology GCSE syllabus. Next topic Infertility: https://www.tes.com/teaching-resource/resource-12366752 Content Covered: Puberty Menstrual cycle overview Hormone control of the menstrual cycle (FSH, LH, oestrogen and progesterone) Please note that this only covers the science and is not intended as a PSHE resource. 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 kidneys and dialysis 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 but is also applicable to other courses. Check my shop for other courses: https://www.tes.com/teaching-resources/shop/Dr_Troilo Content Covered: Urine production in the kidneys Anti-diuretic hormone (ADH) Negative feedback control of blood water content Dialysis machines Kidney transplant 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 control of blood glucose and diabetes 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. Next topic The Kidneys: https://www.tes.com/teaching-resource/resource-12364592 Content Covered: Recap of carbohydrate digestion Insulin and glucagon Regulation of high and low blood sugar Type I and II diabetes Insulin therapy Disease management through diet and exercise 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 diffusion and osmosis for teaching and revision. Includes a visual guide to the required practical. Simple step by step explanations of concepts up to the end of KS4. This resource follows the AQA Biology GCSE syllabus but is also applicable to other courses. Leads on to Exchange Surfaces: https://www.tes.com/teaching-resource/exchanging-surfaces-slides-and-worksheet-gcse-biology-aqa-12332716 Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Diffusion and osmosis lesson https://www.tes.com/teaching-resource/resource-12831793

Discussion exercise and worksheet on risk factors and non-communicable diseases for teaching and revision. This resource follows the AQA Biology GCSE syllabus. Leads on to Cardiovascular Disease: https://www.tes.com/teaching-resource/cardiovascular-disease-slides-and-worksheet-gcse-biology-aqa-12344623 Content Covered: Types of risk factor Asbestos Global, national and local risk factors Direct and indirect causes of disease Identifying risk factors by correlation Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Health and disease lesson https://www.tes.com/teaching-resource/resource-12873200

Discussion exercise and worksheet on health and disease for teaching and revision. See notes in the PowerPoint presentation. This resource follows the AQA Biology GCSE syllabus. Leads on to Disease Risk Factors: https://www.tes.com/teaching-resource/disease-risk-factors-slides-and-worksheet-gcse-biology-aqa-12343042 Content Covered: Communicable vs non communicable diseases Disease interactions Pathogen types Other factors which can affect health Human costs vs financial costs Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Health and disease lessons https://www.tes.com/teaching-resource/resource-12873200

PowerPoint presentation and worksheet on cancer for teaching and revision. This resource follows the AQA Biology GCSE syllabus. All parts of the syllabus directly relating to disease will be made available for free from my shop https://www.tes.com/teaching-resources/shop/Dr_Troilo Content Covered: Benign and malignant tumours Secondary tumours Cancer risk factors Related topic DNA https://www.tes.com/teaching-resource/resource-12372361 Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Cancer lesson https://www.tes.com/teaching-resource/resource-12902474

PowerPoint presentation and worksheet on cardiovascular disease for teaching and revision. This resource follows the AQA Biology GCSE syllabus. Leads on to Cancer: https://www.tes.com/teaching-resource/cancer-slides-and-worksheet-gcse-biology-aqa-12343787 Content Covered: Heart failure and heart attack Coronary artery disease Stents and statins Pacemakers Valve replacement Artificial hearts Artificial blood Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Two-part lesson on cardiovascular disease https://www.tes.com/teaching-resource/resource-12869212 and https://www.tes.com/teaching-resource/resource-12870772

Key stage 3 ~ year 8 ~ complete lesson on nutrients. In this lesson students will learn about the components of a healthy diet. 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 -A starter activity -Group reading (literacy) -Keywords task (vocabulary: nutrition, diet, carbohydrates, lipids and faeces) -Handout sheet -Task boxes -Comprehension task -Discussion exercise -Answer slides included for self-assessment -Next lesson Food Tests https://www.tes.com/teaching-resource/resource-12761339 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Transpiration and Translocation. In this lesson pupils will describe the process of transpiration and explain how the xylem and phloem are adapted to their function. 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) -Handout sheet task -Task boxes -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. Discussion/extension answers are in the ppt notes. -Next lesson Transpiration Rate https://www.tes.com/teaching-resource/resource-12864561

PowerPoint presentation and worksheet on inherited disorders 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 but is also applicable to other courses. Content Covered: -Cystic Fibrosis (recessive) -Polydactyly (domainant) -Interpreting family trees -Bioethics of embryo selection 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 communicable disease for teaching and revision. This resource follows the AQA Biology GCSE syllabus. Leads on to Immunity: https://www.tes.com/teaching-resource/immunity-slides-and-worksheet-gcse-biology-aqa-12347551 Content Covered: Pathogen spreading and containment Viruses, bacteria, fungi and protists Measles, HIV and tobacco mosaic virus Rose black spot Malaria Salmonella and gonorrhoea Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo NEW! Free lessons on communicable disease for GCSE Biology. *Pathogens https://www.tes.com/teaching-resource/resource-12910846 Spread and Prevention https://www.tes.com/teaching-resource/resource-12922886 *Communicable Disease Examples https://www.tes.com/teaching-resource/resource-12943788

PowerPoint presentation and worksheet on immunity for teaching and revision. This resource follows the AQA Biology GCSE syllabus. Leads on to Drugs: https://www.tes.com/teaching-resource/drugs-slides-and-worksheet-gcse-biology-aqa-12356469 Content Covered: Outer body defenses Phagocytosis Antibodies and antigens Immunity Vaccination Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Free lessons on immunity. The Immune System https://www.tes.com/teaching-resource/resource-12945455 Vaccination https://www.tes.com/teaching-resource/resource-12945573

Key stage 3 ~ year 8 ~ complete lesson on alcohol. In this lesson students will learn about how alcohol affects our health. They will give examples of the ways alcohol can affect our behavior and explain why doctors recommend that people who are pregnant or trying to conceive do not drink alcohol. 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 -A starter activity -Group reading (literacy) -Keywords (unit of alcohol, depressant, stimulant, conceive and fertility) -Task boxes -Comprehension questions -Handout sheet task -Extension exercise -Answer slides included for self-assessment -Next lesson Smoking https://www.tes.com/teaching-resource/resource-12763849 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ short lesson on the Reaction Time Practical designed to be used with a practical session or as year 11 pre-exam revision of the required practical. In this lesson pupils will learn a method for measuring reaction time, explain the different variables in this experiment and interpret data from the experiment. 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) -Order the steps -Task boxes -Discussion exercise -Handout sheet task -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. Discussion/extension answers are in the ppt notes. https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on smoking. In this lesson students will learn about the effects of smoking tobacco on health and pregnancy, explain what is meant by passive smoking and discuss other nicotine containing products including e-cigarettes and NHS-prescribed nicotine replacement therapy (NRT). 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 -A starter activity -Group reading (literacy) -Keywords (cilia, nicotine, tar, carbon monoxide and emphysema) -Task boxes -Handout sheet task -Discussion exercise -Answer slides included for self-assessment -Next lesson Revision https://www.tes.com/teaching-resource/resource-12764154 www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on transpiration and translocation for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. When learning about transpiration and translocation it helps if students have some prior knowledge of diffusion, active transport, specialist cells and plant cell organisation. Key points from these topics are recapped in the presentation, but this resource assumes that they have encountered them before. Follows on from Active Transport: https://www.tes.com/teaching-resource/-12335738 Content Covered: Xylem and phloem Translocation Transpiration Rate of transpiration Potometers Leads on to Plant Diseases: https://www.tes.com/teaching-resource/plant-diseases-slides-and-worksheet-gcse-biology-aqa-12357901 Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Transpiration and translocation lesson https://www.tes.com/teaching-resource/resource-12863543