Key stage 3 ~ year 8 ~ complete lesson on Resistance. In this lesson pupils will state what is meant by resistance in circuits and describe the difference in resistance between conductors and insulators. They will then calculate resistance in ohms from current and potential difference. 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) -Keywords (vocabulary: resistance, ohms and spark) -Task boxes -Calculating resistance -Rearranging the equation -Group exercise for mixed ability class -Challenging group exercise for higher ability groups -Answer slides included for self-assessment www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete revision lesson for Physics P2b (Energy). 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: -Energy in food and fuels -Energy stores and energy transfer -Conduction, convection and radiation -Calculating power -Calculating energy costs -Calculating work done -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12982962 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 ~ complete revision package for AQA topic 1 (cell biology and exchange surfaces). This lesson covers the major topics from this unit and 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. There is enough content to split across more than one lesson. In this lesson students will revise: -Cell structure -Microscopy -Differentiation and specialised cells -Stem cells -Mitosis -Binary fission and culturing bacteria -Diffusion, osmosis and active transport -Exchange surfaces -Differentiated worksheet package for homework and practice -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~ 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 Food Webs and Trophic Levels. For mixed ability groups I suggest splitting this into two lessons. In this lesson pupils will use key vocabulary to describe food chains, explain predator prey cycles and describe the knock-on effects of changing one population of organisms in a food web. 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 -Handout sheet task -Predator-Prey cycles exercise -Order the steps (predator-prey cycles) -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 Environmental Change https://www.tes.com/teaching-resource/-12983955 https://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 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 the work of the monk Gregor Mendel 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 Variation and Selective Breeding: https://www.tes.com/teaching-resource/resource-12547790 Content Covered: Overview of Mendel’s work First and second generation crosses Relating Mendel’s work to later discoveries -See also “Genetic Diagrams” https://www.tes.com/teaching-resource/resource-12974524 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 adolescence. In this lesson students will learn how to explain the difference between adolescence and puberty and to identify physical changes which happen in male and female bodies. 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: adolescence, puberty, hormones, ovaries and testes) -Task boxes -True or False task -Sorting task -All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. -Next lesson Reproductive Systems https://www.tes.com/teaching-resource/resource-12656038 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on elements. In this lesson students will learn how to state what an element is, recognize some common chemical symbols for different elements and use the periodic table to find the symbols for different elements. 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 -A group reading task (literacy) -A task box exercise -A handout sheet task -Numeracy task -Find the elements task -True or false discussion exercise -Answer slides included -Next lesson Atoms https://www.tes.com/teaching-resource/-12978300 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 3 ~ year 7 ~ complete lesson on forces. In this lesson students will describe what forces are and what they do, understand that force arrows show both the direction and size of a force, give some examples of different types of force and explain how forces can be measured. These slides can be used as a stand-alone or incorporated into a practical lesson. 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: Newton, newtonmeter, contact force, non-contact force and interaction pair) -Task boxes -Comprehension task -Numeracy task -True or false discussion exercise -Extension questions are included on the slides and there is a pick and mix of different tasks to select from for your students. -Answer slides included for self-assessment -Next lesson Friction and Drag Forces (https://www.tes.com/teaching-resource/resource-12712526)

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 3 ~ year 8 ~ complete lesson on adapting to change. In this lesson students will describe how organisms adapt to the changing seasons, discuss predator-prey cycles and describe how competition can lead to adaptation. 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: deciduous, coniferous, migration and hibernation) -Task boxes -Discussion exercise -Comprehension questions -Answer slides included for self-assessment -Next lesson Variation https://www.tes.com/teaching-resource/resource-12770016 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