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 7 ~ complete lesson on reproductive systems. In this lesson students will learn how to describe the difference between male and female reproductive systems and their functions. 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: reproduction, egg cell, sperm cell and urethra) -Handout sheet task -True or False task -Sorting task -All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. -Next lesson Fertilisation and Implantation https://www.tes.com/teaching-resource/-12977280 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 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 food chains and trophic levels for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Content Covered: -Food chains and food webs -Producers, primary consumers, secondary consumers and tertiary consumers -Biomass -Predators and prey -Trophic levels -Herbivores, carnivores and omnivores -Apex predators -Predator/prey cycles 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 unicellular organisms. In this lesson students will learn how to explain what a unicellular organism is, describe the structure of an amoeba and explain how euglena has features of both plant and animal cells. 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 -Group reading task (literacy) -Keywords activity (vocabulary: unicellular, multicellular, photosynthesis, flagellum and fission) -Task boxes -Handout sheet task -Draw and label -Putting the steps in order to describe a process -All tasks, including the worksheet have an optional self-assessment slide where needed. This presentation is fully editable. -Next lesson revision cells topic https://www.tes.com/teaching-resource/resource-12650813 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on levels of organisation. 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 organisation) -Group reading -Keywords task -Task boxes -Note taking slide -Handout sheet -Ordering the steps task -Next lesson topic revision https://www.tes.com/teaching-resource/resource-12653808 All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on variation. In this lesson students will state what causes variation and give examples. They will learn about the difference between inherited and environmental variation. 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 (vocabulary: variation, characteristics, environmental variation, inherited variation and species) -Task boxes -Discussion exercise -Comprehension questions -Answer slides included for self-assessment -Next lesson Continuous and Discontinuous variation https://www.tes.com/teaching-resource/-12981312 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ free lesson on Exchanging Substances. Pupils will explain why multicellular organisms need specialised exchange surfaces. They will compare surface area to volume ratios and explore the examples of the lungs, small intestine, leaves and gills. 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) -Numeracy task -Task boxes -Discussion exercise -Comprehension 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. -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12829058 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~ free lesson on Monoclonal Antibodies. In this lesson pupils will state what a monoclonal antibody is, explain how they are made and describe some uses for monoclonal antibodies. 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 task (vocabulary: monoclonal antibodies, B-lymphocytes, hybridoma and clones) -Comprehension questions -Task boxes -Order the steps -Handout sheet task -Discussion exercises -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 Plant Diseases and Defenses https://www.tes.com/teaching-resource/resource-12949241

Key Stage 4 ~ GCSE Biology~ full lesson on Anaerobic Respiration. In this lesson pupils will write the word equations for anaerobic respiration in people, plants and yeast and explain why anaerobic respiration is used. They will compare anerobic to aerobic respiration and describe some examples of anaerobic respiration in yeast. 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 (https://www.tes.com/teaching-resource/-12960421) is a separate lesson and is not included in this one. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary; anaerobic respiration, aerobic respiration, lactic acid, oxidised and fermentation) -Task boxes -Sorting Task -Order the steps -Handout sheet task -Long answer 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 apart from the keyword pathogen which means disease-causing microorganism (germs). Discussion/extension answers are in the ppt notes. -Next lesson Oxygen Debt https://www.tes.com/teaching-resource/resource-12960421

PowerPoint presentation and worksheet on the brain 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 Eye: https://www.tes.com/teaching-resource/resource-12362148 Content Covered: Brain structure and function Studying the brain 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 the ear and hearing. In this lesson students will learn how to identify some parts of the ear and describe their functions. They will explain how a microphone works, how loudness is measures and how your hearing can be damaged. 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: hertz, kilohertz, amplify, outer ear, middle ear and inner ear) -Handout sheet task -Comprehension task on measuring loudness -Discussion exercise on microphones -Answer slides included for self-assessment -Next lesson Echoes and Ultrasound https://www.tes.com/teaching-resource/resource-12979853 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on The Water Cycle. In this lesson pupils will describe the water cycle and learn water cycle keywords. 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 task (vocabulary: water cycle, evaporation, transpiration, condensation and precipitation) -Task boxes -Note taking exercise -Higher ability task with questions linking this topic to previous topics -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 The Carbon Cycle https://www.tes.com/teaching-resource/resource-12983967 https://www.tes.com/teaching-resources/shop/Dr_Troilo