Key stage 3 ~ year 7 ~ complete lesson on levels of gas exchange. 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 topic) -Group reading task (literacy) -Keywords activity -Task boxes -Handout sheet task -Sorting task -Guided note taking activity -Discussion exercise -Next lesson Breathing https://www.tes.com/teaching-resource/resource-12652370 All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. 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 8 ~ complete lesson on food tests. In this lesson students will learn about how to test food for lipids, sugars, starch and protein. 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) -Task boxes -Match the test (iodine for starch, filter paper and ethanol for lipids and Benedict’s solution for sugars). -Handout sheet task -Discussion exercise -Answer slides included for self-assessment -Next lesson Malnutrition https://www.tes.com/teaching-resource/resource-12761787 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on leaves. In this lesson students will describe the structure of a leaf, explain why stomata are found at the bottom and why photosynthesis mainly happens at the top and suggest reasons for adaptations in different leaves. 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 (adaptation, chlorophyll, surface area and pigment) -Task boxes -Comprehension questions -Handout sheet task -Note taking extension on xylem and phloem -Answer slides included for self-assessment -Next lesson Plant Minerals https://www.tes.com/teaching-resource/resource-12765305 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 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

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~ full lesson on Food Security and Farming. In this lesson pupils will state what food security is, explain some factors affecting food security and discuss how food production can be made more efficient. 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) -Comprehension questions -Task boxes -Fishing quotas 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 Biotechnology https://www.tes.com/teaching-resource/resource-12857082 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on Plant Hormone. In this lesson, students will list some plant hormones and state their function. They will explain how these hormones can be used commercially. They will explain how plant responses can be investigated in the lab. 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 Discussion Exercise Comprehension questions Handout sheet task Task boxes Data task (numeracy) Includes assessment for learning (AFL). 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 students have already covered the rest of the human endocrine system. Discussion/extension answers are in the ppt notes. Return to the start of the topic https://www.tes.com/teaching-resource/resource-12984155

Key Stage 4 ~ GCSE Biology~ lesson on The Eye. In this lesson pupils will identify the structures of the eye and describe what they do. They also will explain how the iris reflex responds to bright and dim light. 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: correcting vision defects is covered in a separate lesson https://www.tes.com/teaching-resource/-13025883 This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: light intensity, refract, contract and diameter). -Task boxes -Handout sheet task -Order the steps -Discussion exercises -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 nervous system and reflexes have already been introduced. Discussion/extension answers are in the ppt notes. https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Cell Structure. In this lesson pupils will describe the function of subcellular structures, explain the difference between prokaryotic and eukaryotic cells and the difference between 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. Follows the GCSE Biology AQA course. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -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. -Next lesson Microscopy https://www.tes.com/teaching-resource/resource-12829559 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Diffusion and Osmosis. This lesson does not cover the practical which you can download for free here: https://www.tes.com/teaching-resource/resource-12403223. Pupils will define diffusion and osmosis, explain what is meant by a partially permeable membrane and give examples of factors which affect the rate of diffusion. 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 -Handout sheet task -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 Active Transport https://www.tes.com/teaching-resource/resource-12831984 https://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 Plant Cell Organisation. In this lesson pupils will describe some more examples of specialised plant cells and how they are organised in a leaf. They will also give reasons why the cells are arranged in this way. 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) -Comprehension questions -Handout sheet task -Task boxes -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 Transpiration https://www.tes.com/teaching-resource/resource-12863543

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 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 DNA, protein synthesis and mutations 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 Reproduction: https://www.tes.com/teaching-resource/resource-12376794 Content Covered: DNA structure Protein synthesis Human genome mapping Mutations (insertions, deletions and substitutions) 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 the menstrual cycle. In this lesson students will learn how to describe the menstrual cycle, explain what contraception is and give examples. 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: periods, menstrual cycle, hormones, ovulation and contraception) -Order the steps of the menstrual cycle -Task boxes -Note copying task -All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. -Next lesson Flowers and Pollination https://www.tes.com/teaching-resource/resource-12656944 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ two-part lesson on Food Chains and Webs. Lesson 1 In this lesson students will learn about the difference between food chains and food webs, calculate approximate energy transfer at each step in the food chain and explain why most food chains are short. -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: food chain, food web, predator, prey and energy transfer) -Task boxes -Comprehension questions -Numeracy task -Discussion exercise -Answer slides included for self-assessment Lesson 2 In this lesson students will describe the relationship between the populations of producers and consumers. They will discuss the interdependence of organisms in food webs and explain the bioaccumulation of toxins. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: herbivore, omnivore, carnivore, interdependence, insecticide and bioaccumulation) -Task boxes -Comprehension questions -Handout sheet task -Recall Questions -Answer slides included for self-assessment -Next lesson Ecosystems https://www.tes.com/teaching-resource/resource-12768066 www.tes.com/teaching-resources/shop/Dr_Troilo