Key stage 3 ~ year 9 ~ Complete lesson on DNA. In this lesson pupils will describe the structure of DNA, learn what a DNA base is and describe how scientists built on each other’s work to develop our understanding of genetic material. 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. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Task boxes -Order the steps -Handout sheet task -Answer slides included for self-assessment -Next lesson Charles Darwin https://www.tes.com/teaching-resource/resource-12826098 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Mitosis. In this lesson pupils will describe chromosomes, identify different stages of the cell cycle and explain the stages of cell division by mitosis. 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 -Mitosis questions -Handout sheet 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. Discussion/extension answers are in the ppt notes. -Bacteria Reproduction https://www.tes.com/teaching-resource/resource-12831346 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on The Circulatory System. In this lesson pupils will identify arteries and veins and describe their features, calculate the rate of blood flow and name the parts of the heart. 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) -Artery or Vein? -Task boxes -Discussion exercise -Handout sheet task -Comprehension questions -Numeracy 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. Discussion/extension answers are in the ppt notes. -Next lesson Blood https://www.tes.com/teaching-resource/resource-12867496

Key Stage 4 ~ GCSE Biology~ free lesson on Plant Diseases and Defences. In this lesson pupils will explain how mineral deficiency can cause disease in plants, review some pathogens which infect plants and their effects and describe the physical, chemical, mechanical defences plants use to protect themselves. 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) -Identify the disease -Task boxes -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. -Next lesson Revision Lesson Topics 1-3 Malaria Case Study GCSE Biology https://www.tes.com/teaching-resource/resource-12952498

Key Stage 4 ~ GCSE Biology~ introductory lesson to Aerobic Respiration. In this lesson pupils will describe aerobic respiration and write a word equation for it, list some uses for the energy transferred by respiration and recap how the reactants for respiration reach respiring tissues. This lesson links respiration to earlier course content (Topic 1 - Cells, and Topic 2 - Organisation). 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: Oxygen Debt is a separate lesson (https://www.tes.com/teaching-resource/-12960421) and is not included in this one. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Task boxes -Order the steps -Comprehension questions -Numeracy task (basic) -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 Anaerobic Respiration https://www.tes.com/teaching-resource/resource-12954911

PowerPoint presentation and worksheet on digestive 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 the Respiratory System: https://www.tes.com/teaching-resource/respiratory-system-slides-and-worksheet-gcse-biology-aqa-12337350 Content Covered: Overview of the digestive system Proteases, lipases and carbohydrases Bile Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Digestive Enzymes Lesson https://www.tes.com/teaching-resource/resource-12903171

PowerPoint presentation and worksheet on xylem and phloem for A-Level biology for teaching and revision. Key points from GCSE are recapped in the presentation. Content Covered: Xylem and phloem Transpiration Cohesion-Tension theory Rate of transpiration Potometers Translocation Mass flow hypothesis Autoradiography 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 the eye 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 Body Temperature: https://www.tes.com/teaching-resource/resource-12362801 Content Covered: Parts of the eye The iris reflex Accommodation (near and distant objects) Short- and long-sightedness Convex and concave lenses Other methods of vision correction 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 8 ~ complete lesson on polymers. In this lesson pupils will describe what a polymer is, give some examples of natural and synthetic polymers and explain how their properties make them suitable for different uses. 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) -Keyword task (vocabulary: polymer, natural polymer, synthetic polymer, high density and low density) -Task boxes -Handout sheet task -Answer slides included for self-assessment -Next Lesson Composites https://www.tes.com/teaching-resource/-12982551 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on Potential Difference. In this lesson pupils will describe what is meant by potential difference and explain how to measure it. They will model a circuit using rope (animation provided) and describe what is meant by the rating of a battery or a component. 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 2 KS3 course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Note taking task (optional) -Keyword task (vocabulary: potential difference, voltage, voltmeter, volts (V) and rating) -Task boxes -Comprehension task -Discussion exercise -Answer slides included for self-assessment -Next lesson Series and Parallel Circuits https://www.tes.com/teaching-resource/resource-12799220 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on The Carbon Cycle. In this lesson pupils will explain how atmospheric carbon is fixed, describe ways in which carbon is released into the atmosphere and explain the effects of human activity on this cycle. 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 -Comprehension questions -Note taking exercise -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 Decay and Biogas https://www.tes.com/teaching-resource/resource-12854842 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on Igneous and Metamorphic Rocks. In this lesson pupils will describe the properties of igneous and metamorphic rocks and how they form. 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) -Keyword task (vocabulary: igneous rock, metamorphic rock, magma, lava and non-porous) -Task boxes -Discussion exercise -Comprehension Questions -Answer slides included for self-assessment -Next lesson The Rock Cycle https://www.tes.com/teaching-resource/resource-12795508 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ free introductory lesson on Homeostasis. In this lesson pupils will explain what is meant by homeostasis, give examples of internal conditions which our bodies need to keep constant and describe negative feedback loops. 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) -Keywords (vocabulary: homeostasis, negative feedback, receptor, effector and co-ordination centre) -Task boxes -Order the steps -Handout sheet 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 The Nervous System https://www.tes.com/teaching-resource/resource-12960383 https://www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on plant cell organisation 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. Leads on to Transpiration and Translocation: https://www.tes.com/teaching-resource/transpiration-and-translocation-slides-and-worksheet-gcse-biology-aqa-12342331 Content Covered: Plant cell organisation Leaf tissues (epidermal, mesophyll, xylem and phloem) Meristems Plant cell structure Specialist plant cells Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo NEW: Plant cell organisation lesson https://www.tes.com/teaching-resource/resource-12863539 Plant cell organisation revision lesson https://www.tes.com/teaching-resource/resource-12903755 Photosynthesis lesson https://www.tes.com/teaching-resource/resource-12953622 Rate of photosynthesis lesson https://www.tes.com/teaching-resource/resource-12954106

PowerPoint presentation and worksheet on the circulatory system 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 Health and Disease: https://www.tes.com/teaching-resource/health-and-disease-slides-and-worksheet-gcse-biology-aqa-12337857 and Cardiovascular Disease: https://www.tes.com/teaching-resource/cardiovascular-disease-slides-and-worksheet-gcse-biology-aqa-12344623 Content Covered: Double circulatory system Arteries, veins and capillaries Calculating rate of blood flow Red blood cells, white blood cells, plasma and platelets Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Circulatory system lesson https://www.tes.com/teaching-resource/resource-12866975

PowerPoint presentation and worksheet on biotechnology 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 Food Security and Farming (https://www.tes.com/teaching-resource/resource-12648627) Content Covered: -Genetically engineering bacteria to produce human insulin -Genetically engineering crops -Producing meat substitutes from fungi (mycoprotein) Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Biotechnology lesson GCSE biology https://www.tes.com/teaching-resource/resource-12857082