Key stage 3 ~ year 7 ~ complete lesson on conservation of mass. In this lesson students will learn what conservation of mass is, how to calculate the masses of reactants and products and how to balance simple chemical 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: conservation, mass, conservation of mass and balanced) -Task boxes -Calculating masses numeracy task -Problem solving (why the mass appears to decrease when a gas is formed) discussion exercise -Balancing equations walkthrough -Balancing equations practice questions -Next lesson Exothermic and Endothermic Reactions https://www.tes.com/teaching-resource/resource-12700723 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on flowers and pollination. In this lesson students will learn how to name the main structures of a flower, describe how flowering plants reproduce and explain the difference between wind-pollinated and insect-pollinated plants. 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 -Discussion exercise -Keywords task (vocabulary: pollination, cross-pollination, self-pollination, pollen and ovules) -Order the steps of the menstrual cycle -Draw and label the diagram (insect vs wind pollination) -Sorting task (wind vs insect pollination -Multiple choice task (recall from this lesson) -All tasks, including the worksheet have an optional self-assessment slide. This presentation is fully editable. Next lesson Fertilisation and Germination https://www.tes.com/teaching-resource/-12659712 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 Transpiration Rate and a theory lesson on Measuring Transpiration Rate (Potometers). In these lessons pupils will explain how different factors affect transpiration rate and describe how to use a potometer to measure the rate of transpiration. 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. Lesson 1 Includes: -Title slide with learning objectives -A starter activity -Task boxes -Transpiration rate walkthrough -Handout sheet task -Discussion exercise Lesson 2 Includes: -Starter task -Handout sheet task -Comprehension questions -Task boxes -Rate calculations (numeracy task 1) -Discrete data (numeracy task 2) -Continuous data (numeracy task 3) -Graph drawing (numeracy task 4) -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 Revision Plants https://www.tes.com/teaching-resource/resource-12903755

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

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~ lesson on Correcting Vision Defects. In this lesson pupils will describe how we focus on near and far objects, explain why some people are long-sighted or short-sighted and describe treatments for vision defects. 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. Eye anatomy and controlling pupil size is a separate lesson which can be found here https://www.tes.com/teaching-resource/resource-13000956 This lesson includes: -Title slide with learning objectives -A starter activity -Group reading (literacy) -Keywords (vocabulary: accommodation, myopia, hyperopia, slacken and refract). -Task boxes -Handout sheet task -Order the steps -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 anatomy of the eye has already been introduced. Discussion/extension answers are in the ppt notes. -Next lesson Controlling Body Temperature https://www.tes.com/teaching-resource/resource-13026226

Key Stage 4 ~ GCSE Biology~ lesson on the work of Gregor Mendel. In this lesson, students will describe the work Mendel, state the three conclusions Mendel came to and explain why it took time for people to understand Mendel’s work. 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) Handout sheet task with extension Task boxes Discussion exercise Comprehension questions Order the steps to show the timeline of later discoveries 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 some prior familiarity with genetic diagrams and the terminology of genetics (https://www.tes.com/teaching-resource/-13044789). Discussion/extension answers are in the ppt notes.

PowerPoint presentation and worksheet on transpiration and translocation for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. When learning about transpiration and translocation it helps if students have some prior knowledge of diffusion, active transport, specialist cells and plant cell organisation. Key points from these topics are recapped in the presentation, but this resource assumes that they have encountered them before. Follows on from Active Transport: https://www.tes.com/teaching-resource/-12335738 Content Covered: Xylem and phloem Translocation Transpiration Rate of transpiration Potometers Leads on to Plant Diseases: https://www.tes.com/teaching-resource/plant-diseases-slides-and-worksheet-gcse-biology-aqa-12357901 Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Transpiration and translocation lesson https://www.tes.com/teaching-resource/resource-12863543

PowerPoint presentation and worksheet on cloning 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) Next topic Genetic Engineering: https://www.tes.com/teaching-resource/resource-12633773 Content Covered: -Revision of meristems and therapeutic cloning from previous topics -Tissue culture cloning -Cuttings -Artificial twinning -Cloning adult animals -Bioethics of cloning 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 revision lesson for Chemistry C1a (Particles and their Behaviour). 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: The difference between mixtures and substances The three states of matter Changes of state Heating and cooling curves Using heating and cooling curves to check purity Using heating and cooling curves to identify substances Predicting states of matter Sweating and evaporation Sublimation and deposition Factors affecting diffusion speed Factors affecting gas pressure Answers included Return to the start of the topic https://www.tes.com/teaching-resource/resource-12660766 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete revision lesson for Chemistry C1b (Elements, Atoms and Compounds). 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 C2a (Particle Model) The difference between elements, mixtures and compounds Finding elements and their chemical symbols in the periodic table Atoms and compounds Naming compounds Return to start of the topic https://www.tes.com/teaching-resource/-12978301 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on photosynthesis. In this lesson students will explain the role of a producer in an ecosystem, describe the chemical process of photosynthesis and identify the structures and subcellular structures responsible for photosynthesis. They will also discuss how water and gases move in and out of plants. 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 (producer, consumer, xylem, phloem and stomata) -Task boxes -Comprehension questions -Discussion exercise -Answer slides included for self-assessment -Next lesson Leaves https://www.tes.com/teaching-resource/resource-12765291 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

PowerPoint presentation and worksheet on gas exchange for A-Level biology for teaching and revision. Key points from GCSE are recapped in the presentation. Content Covered: Gas exchange in humans Inspiration and expiration Gas exchange in fish Gas exchange in insects Gas exchange in plants Xerophytes 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 ~ full lesson on the topic of Genetic Engineering. In this lesson pupils will give examples of uses for genetic engineering, describe the process and compare genetic engineering to selective breeding. 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 -Group reading (literacy) -Keywords (genetic engineering, foreign gene, insecticide and herbicide) -Task boxes -Order the steps -Handout task -Discussion exercise -Answer slides included for self-assessment -Next lesson Cloning https://www.tes.com/teaching-resource/resource-12824313 www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on Genetic Engineering. In this lesson, students will give some examples of how genetic engineering is used, describe an overview of how genetic engineering works and compare genetic engineering with selective breeding. 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: on the AQA course, the molecular mechanism of genetic engineering is covered under Biotechnology (Topic 7 Ecology). We have included some bonus slides on it here for courses that teach this content as part of Inheritance. This lesson includes: Title slide with learning objectives A starter activity Group reading (literacy) Keywords task (vocabulary: genetic engineering, genetically modified (GM), vector, herbicide and insecticide) Task boxes Comprehension questions Discussion exercise Sorting exercise (GM vs. selective breeding) Handout sheet task Bonus: Molecular mechanism of genetic engineering of bacteria to produce human insulin. Includes group reading, a walkthrough of the process step ordering task and a 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.