Key stage 3 ~ year 7 ~ complete lesson on observing cells using a light microscope. In this lesson students will learn how to describe what a cell is, explain how to use a microscope to look at cells and calculate the total magnification of a microscope. 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 Starter task (pair and share) Group reading task (literacy) Keywords activity (Vocabulary: cell, observation, organism, microscope and magnification) Task boxes Handout sheet task Ordering the steps of using a m icroscope task Numeracy task All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. Onion cells practical slides and handout sheet are included. Leads to Plant and Animal Cells (https://www.tes.com/teaching-resource/resource-12650214) 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 from previous topic) -Group reading task (literacy) -Keywords activity -Task boxes -Handout sheet task -Sorting task -Recall questions linking this topic to previous learning Next lesson Gas Exchange https://www.tes.com/teaching-resource/resource-12652335 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 the carbon cycle for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Content Covered: -Forms of carbon in living organisms -Recap of photosynthesis -Carbon movement through the food chain -Carbon release by respiration -Carbon release by decomposers -Carbon release by combustion -Overview of the carbon cycle -Guide to identifying processes in carbon cycle diagrams 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 fertilisation and implantation. In this lesson students will learn how to explain the process of how sexual intercourse occurs, describe how gametes are able to perform their function and to describe the process of fertilisation and implantation. 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: fertilisation, ejaculation, gametes, implantation and cilia) -Putting the stages of sexual intercourse in order -Multiple choice consolidation task -Draw and Label the diagram (fertilisation and embryo division) -All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. -Next lesson fetus development https://www.tes.com/teaching-resource/-12977275 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on Comparing Nerves and Hormones. In this lesson pupils will recap some of what they have learned in previous lessons about nerves and hormones, compare their similarities and differences and decide whether different examples are nerves or hormones. 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) Discussion exercise Nerves or hormones Task boxes 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. It does assume that students have already covered the basics of the nervous (https://www.tes.com/teaching-resource/resource-12960383) and endocrine systems (https://www.tes.com/teaching-resource/resource-13027931). Discussion/extension answers are in the ppt notes. Next lesson Blood Glucose and Diabetes https://www.tes.com/teaching-resource/resource-13031727

Key Stage 4 ~ GCSE Biology~ short lesson on the Quadrats designed to be used with a practical session or as year 11 pre-exam revision of the required practical. It is also useful for students who cannot be taken out of the classroom to complete this work in the field. In this lesson pupils will work through using quadrats. 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 -A scaffolded walk through the steps of using quadrats -A second example to practice without the scaffold -An explanation of transects and an exercise on calculating percentage cover -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.

PowerPoint presentation and worksheet on specialised cells 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 Stem Cells: https://www.tes.com/teaching-resource/stem-cells-slides-and-worksheet-gcse-biology-aqa-12317132 Content Covered: Specialised cells Muscle, nerve and sperm cells Xylem, phloem, root hair and guard cells Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Stem cells lesson https://www.tes.com/teaching-resource/resource-12829988

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

PowerPoint presentation and worksheet on plant diseases and defences 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. Related topic Photosynthesis: https://www.tes.com/teaching-resource/resource-12359219 Content Covered: Symptoms of plant diseases Diagnosing plant diseases Barrier, mechanical and chemical defences Mineral deficiencies Pests Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. New! Lessons on Plant Disease for GCSE Biology Plant disease and defences: https://www.tes.com/teaching-resource/resource-12949241 Revision lesson topics 1-4 Rose black Spot Case Study: https://www.tes.com/teaching-resource/resource-12953529

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 control of body temperature 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 The Endocrine System: https://www.tes.com/teaching-resource/resource-12362835 Content Covered: Recap enzymes and homeostasis Negative feedback control of body temperature The thermoregulatory center Hot and cold skin responses Frostbite Antagonistic effectors 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 plant hormones 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 Plant Disease: https://www.tes.com/teaching-resource/resource-12357901 Content Covered: Ethene Gibberellin Auxins Phototropism and geotropism 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 competition and adaptation for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Content Covered: -Competition for resources -Structural adaptation -Behavioural adaptation -Functional adaptation -Adaptation of microorganisms -Interdependence -Stable communities 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 mitosis 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 Binary Fission: https://www.tes.com/teaching-resource/binary-fission-slides-and-worksheet-gcse-biology-aqa-12318380 Content Covered: Chromosomes The cell cycle Mitosis Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Mitosis lesson: https://www.tes.com/teaching-resource/resource-12830872

Key Stage 4 ~ GCSE Biology~ full lesson on Environmental Change. In this lesson pupils will list some types of environmental change, explain why these changes happen and describe some of the effects. 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 -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 The Water Cycle https://www.tes.com/teaching-resource/resource-12983959 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on The Brain. In this lesson pupils will name some structures in the brain, discuss some methods for studying the brain and explain some risks of interfering with the brain. 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 -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 apart from the keyword pathogen which means disease-causing microorganism (germs). Discussion/extension answers are in the ppt notes. -Next lesson The Eye https://www.tes.com/teaching-resource/resource-13000956 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on Sexual Reproduction and Meiosis. In this lesson, students will describe the production of gametes by meiosis and explain how gametes fuse to produce offspring. They will explain how this leads to genetic variation and why this is important. 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 Task boxes Order the steps Discussion Exercise Comprehension questions Handout sheet exercise Meiosis vs mitosis comparison 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, The last task assumes that students have already covered mitosis. Discussion/extension answers are in the ppt notes.

Key Stage 4 ~ GCSE Biology~ lesson on Variation. This lesson has a heavy literacy focus and provides opportunities to practice using the keywords from AQA GCSE Biology Topic 6 in context. In this lesson, students will state what is meant by variation in a species, describe how variation arises in a population and decide whether example characteristics vary due to genes, environment or both. 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 Discussion exercise; what makes things the same species? Group reading (literacy) Genes or environment task Comprehension questions Task boxes Variation vocabulary handout sheet 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 lesson is fully self-explanatory and can be delivered without specialist knowledge. It assumes that the previous content from topic 6 has been introduced but not necessarily mastered. Discussion/extension answers are in the ppt notes.

Key Stage 4 ~ GCSE Biology~ lesson on Fossils. In this lesson, students will describe three ways in which fossils can form. They will explain how fossils provide evidence for how life on Earth developed. 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 Discussion exercise Order the steps Handout sheet task 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 lesson is fully self-explanatory and can be delivered without specialist knowledge. It assumes that the previous content from topic 6 has been introduced but not necessarily mastered. Discussion/extension answers are in the ppt notes.