PowerPoint presentation and worksheet on microscopy for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource covers the AQA Biology GCSE syllabus. There is a free accompanying resource covering the onion cell microscopy practical: https://www.tes.com/teaching-resource/microscopy-practical-onion-cells-12329755 Content Covered: Light microscopes Electron microscopes Resolution vs magnification Calculations Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Microscopy lesson https://www.tes.com/teaching-resource/resource-12829559

Key stage 3 ~ year 9 ~ Complete lesson on Microscopy. In this lesson pupils will learn about what a forensic scientist is, describe the difference between light and electron microscopes and explain magnification and resolution. 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 -Discussion exercise -Group reading (literacy) -Keywords (vocabulary: forensic science, magnification, resolution, light microscope and electron microscope) -Task boxes -Handout sheet task -Answer slides included for self-assessment -Next lesson Fingerprinting and DNA Fingerprinting https://www.tes.com/teaching-resource/-12983589 www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on 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 Digestive Enzymes: https://www.tes.com/teaching-resource/digestive-enzymes-slides-and-worksheet-gcse-biology-aqa-12336629 Content Covered: Enzymes overview Active sites and substrates Lock and key model vs. induced fit model Effect of pH and temperature Denaturation Calculating reaction rate Digestive enzymes are covered in a separate resource which can be downloaded for free here: https://www.tes.com/teaching-resource/digestive-enzymes-with-worksheet-gcse-biology-aqa-12336629 Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Enzymes lesson https://www.tes.com/teaching-resource/resource-12842558 Enzymes revision lesson (theory) https://www.tes.com/teaching-resource/resource-12903132 Enzymes revision lesson (practical) https://www.tes.com/teaching-resource/resource-12844622

PowerPoint presentation and worksheet on photosynthesis 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. Related topic Respiration: https://www.tes.com/teaching-resource/resource-12360359 Content Covered: Photosynthesis reaction Plant uses for glucose Rate of photosynthesis and limiting factors Ideal conditions for photosynthesis 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 evolution for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Next topic Cloning: https://www.tes.com/teaching-resource/resource-12625511 Content Covered: Variation Competition between animals Competition between plants Darwin and Lamarck Antibiotic resistant bacteria as an example 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 plant and animal cells. In this lesson students will learn how to describe the parts of a cell and what they do and to explain the similarities and differences 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. This lesson includes: -Title slide with learning objectives -Starter task (recall from previous lesson) -Group reading task (literacy) -Keywords activity (vocabulary: nucleus, cytoplasm, cell membrane, mitochondria, cell wall, vacuole and chloroplasts) -Task boxes -Handout sheet task -Discussion task -Numeracy task -All tasks, including the worksheet have an optional self-assessment slide where needed. This presentation is fully editable. -Next lesson Specialised Cells https://www.tes.com/teaching-resource/resource-12650570 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on specialised cells. In this lesson students will learn how to explain why we need specialised cells and to describe examples of specialised 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 (recall from previous lesson) -Group reading task (literacy) -Keywords activity (vocabulary: specialised cell, neuron, haemoglobin, cell surface area and chloroplasts) -Task boxes -Handout sheet task (fact file completion) -Draw and label -All tasks, including the worksheet have an optional self-assessment slide where needed. -Next lesson Movement of Substances https://www.tes.com/teaching-resource/resource-12650646 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on eyes and cameras. In this lesson students will describe how the eye works, identify some parts of the eye and explain how a simple pinhole camera forms an image. 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: photoreceptors, rods, cones, photosensitive and inverted) -Handout sheet task -Order the steps (vision) -Recall questions -Answer slides included for self-assessment -Next lesson Colour https://www.tes.com/teaching-resource/resource-12750804 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 ~ complete revision lesson for Biology B3a (New Technology in Biology). 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: -Genetics and using Punnett squares -Inherited disorders -Selective breeding -Genetic engineering -Cloning -Fermentation and pasteurisation -Enzymes in industry -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12983198 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Pyramids of Biomass and Biomass Transfer. In this lesson pupils will explain why there is less biomass further up the food chain, draw pyramids of biomass to the correct scale and explain why pyramids of numbers and pyramids of biomass can look different. 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 -Numeracy questions -Drawing a pyramid of biomass to scale -Note taking slide -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 Food Security and Farming https://www.tes.com/teaching-resource/-12984074 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Decay and Biogas. In this lesson pupils will explain the factors affecting the rate of decay, describe the role of decomposers in the carbon cycle and describe how biogas is produced and how it is used. 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 -Matching task -Comprehension questions -Note taking 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 Global Warming https://www.tes.com/teaching-resource/resource-12856519 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Competition. In this lesson pupils will list some resources which animals compete for and explain the difference between structural, behavioral and functional adaptations. 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 -Structural, behavioral or functional? -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 Abiotic and Biotic Factors https://www.tes.com/teaching-resource/-12983809 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ first in a two-part lesson on Photosynthesis. In this lesson pupils will recap the prior knowledge for this topic including the cell and tissue structures involved. They will write the word and symbol equations for photosynthesis and explain how plants use the glucose produced by photosynthesis. 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: factors affecting photosynthesis and measuring photosynthesis are a separate lesson and not included in this one. This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords task (vocabulary: photosynthesis, chloroplasts, chlorophyll, endothermic and glucose) -Comprehension questions -Task boxes -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 Rate of Photosynthesis https://www.tes.com/teaching-resource/resource-12954106

PowerPoint presentation and worksheet on 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. Leads on to Enzymes: https://www.tes.com/teaching-resource/enzymes-slides-and-worksheet-gcse-biology-aqa-12345968 and Plant Cell Organisation: https://www.tes.com/teaching-resource/plant-cell-organisation-slides-and-worksheet-gcse-biology-aqa-12315439 Content Covered: Hierarchy of cell organisation from cell to organism Glandular, muscle and epithelial tissue The digestive system Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo NEW: Cell organisation lesson https://www.tes.com/teaching-resource/resource-12842264

Discussion exercise on assisted reproduction for teaching and revision. This resource follows the AQA Biology GCSE syllabus. Related topic The Menstrual Cycle: https://www.tes.com/teaching-resource/-12366008 Content Covered: Hormone therapy (LH and FSH) In vitro fertilisation (IVF) Intra-cytoplasmic sperm injection (ICSI) Bioethics Please note that this only covers the science and is not intended as a PSHE resource. 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 X and Y chromosomes 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. Content covered: X chromosomes and Y chromosomes Meiosis and fertilisation Introduction to genetic diagrams using X and Y chromosomes as an example Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

Meiosis Slides and Worksheet (GCSE Biology AQA). PowerPoint presentation and worksheet on meiosis 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. 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 genetic 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 Inherited Disoders: https://www.tes.com/teaching-resource/resource-12405728 Content Covered: Alleles Homozygous and heterozygous Both types of genetic diagram covered in the course with practice questions and worked examples Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo