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

Key stage 3 ~ year 7 ~ complete lesson on chemical formulae. In this lesson students will learn the chemical names and formulae of some common compounds. They will also learn to interpret chemical formulae and predict some simple formulae based on names. 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 (literacy) -Keywords (vocabulary: dioxide, monoxide, chloride, fluoride and relative number of atoms) -Task boxes -Numeracy task -Consolidation exercise -Answer slides included -Next lesson Revision https://www.tes.com/teaching-resource/resource-12687743 www.tes.com/teaching-resources/shop/Dr_Troilo

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 burning fuels. In this lesson students will learn what a combustion reaction is, predict the products of combustion reactions and list some common examples of fuels. 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 (literacy) -Keywords (vocabulary: combustion, oxidation, fuel, fossil fuels and non-renewable) -Task boxes -Consolidation exercise -True of false discussion exercise -Next lesson Thermal Decomposition https://www.tes.com/teaching-resource/resource-12700494 www.tes.com/teaching-resources/shop/Dr_Troilo

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

Key stage 3 ~ year 7 ~ complete lesson on fertilisation and germination. In this lesson students will learn how to describe how fertilisation happens in plants, explain how fruits and seeds are formed after fertilisation and explain what seeds need for growth. 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 lessons) -Group reading task -Keywords task (vocabulary: fertilisation, germination, starch, fruit and seeds) -Task boxes -Handout worksheet -True or false task -Ordering the steps of germination -All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. -Next lesson Seed Dispersal https://www.tes.com/teaching-resource/resource-12659803 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on thermal decomposition. In this lesson students will learn what a thermal decomposition reaction is, predict the products of thermal decomposition reactions and identify thermal decomposition reactions from word equations. 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 (literacy) -Keywords (vocabulary: thermal, decomposition, thermal decomposition, limewater test and metal carbonate) -Task boxes -Consolidation exercise -Numeracy task -Next lesson Conservation of Mass https://www.tes.com/teaching-resource/resource-12979638 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 ~ revision package for bioenergetics (topic 4, GCSE Biology AQA). This lesson can be used to revise for end of topic tests, as exam preparation or to address knowledge gaps identified in the end of topic assessments. In this lesson students will revise: -Photosynthesis -Aerobic Respiration -Anaerobic Respiration -Oxygen Debt -Metabolism -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12956850

PowerPoint presentation and worksheet on deforestation, land use and protecting ecosystems for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Content Covered: -Uses for land -Deforestation meaning -Loss of biodiversity from deforestation and draining peat bogs -Release of carbon from deforestation and draining peat bogs -Habitat protection -Waste reduction -Preventing global warming -Breeding programmes -Economic cost of protecting biodiversity -Biodiversity and food security Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Deforestation and land use lesson GCSE biology https://www.tes.com/teaching-resource/resource-12856543

Key stage 3 ~ year 7 ~ complete lesson on waves. In this lesson students will describe the different types of waves and their features, explain what happens when waves meet a barrier (reflection) and describe what happens when waves interact with each other (superpose). 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: wave, oscillations and vibrations, amplitude, frequency and wavelength) -Task boxes -Handout sheet task -Comprehension task -Note taking task -True or false discussion exercise -Answer slides included for self-assessment -Next lesson Sound https://www.tes.com/teaching-resource/resource-12979839 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete revision lesson for Biology B2b (Ecosystems). This lesson covers the major topics from this unit and can be used to revise for end of topic tests or to address knowledge gaps identified in the end of topic assessments. In this lesson students will revise: Key points from the previous topic (Health and Lifestyle) Leaf structure and photosynthesis Chemosynthesis Plant minerals Aerobic and anaerobic respiration Food chains, food webs and ecosystems -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12764690 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete revision lesson for Biology B1b (Structure and Function of Body Systems). This lesson covers the major topics from this unit and can be used to revise for end of topic tests or to address knowledge gaps identified in the end of topic assessments. In this lesson students will revise: Key points from B1a (Cells) The levels of organisation in multicellular organisms Gas exchange Breathing in and out The role of the skeleton The role of joints in movement The role of muscles in movement All tasks, including the worksheet, have an optional self-assessment slide where needed. This presentation is fully editable. Return to the start of the topic https://www.tes.com/teaching-resource/resource-12652335 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on exothermic and endothermic reactions. In this lesson students will learn about the difference between exothermic and endothermic changes and how to use experimental data to determine whether a reaction is exothermic or endothermic. 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 (literacy) -Keywords (vocabulary: energy transfer, endothermic, exothermic, dissolve and thermometer) -Task boxes -A discussion exercise -Handout sheet task -Next lesson Revision https://www.tes.com/teaching-resource/resource-12703673 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on compounds. In this lesson students will learn what a compound is and how they have different properties to the elements they contain. 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 (literacy) -Keywords (vocabulary: compound, molecule and chemical formula) -Task boxes -Hand out sheet -Element, compound or mixture identification exercise -Consolidation exercise -Answer slides included -Next lesson Chemical Formulae https://www.tes.com/teaching-resource/resource-12683006 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete revision lesson for Physics P1a (Forces). This lesson covers the major topics from this unit and can be used to revise for end of topic tests or to address knowledge gaps identified in the end of topic assessments. In this lesson students will revise: What forces are, force arrows and how force can be measures in Newtons (N) Contact and non-contact forces Resistive forces (friction and drag) and driving force. Reducing friction and drag forces Interaction pairs Balanced forces, equilibrium and unbalanced forces Elasticity, the elastic limit and Hooke’s Law Weight and mass calculations Return to the start of the topic https://www.tes.com/teaching-resource/resource-12712071 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete revision lesson for Physics P2a (Electricity and Magnetism). This lesson covers the major topics from this unit and can be used to revise for end of topic tests or to address knowledge gaps identified in the end of topic assessments. In this lesson students will revise: -Charges -Series and parallel circuits -Current, resistance and potential difference -Magnets and electromagnets -They will also link this topic with what they learned about forces in year 7 -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12797999 www.tes.com/teaching-resources/shop/Dr_Troilo