Key stage 3 ~ year 8 ~ complete lesson on drugs. In this lesson students will learn about the difference between recreational and medicinal drugs. They will discuss the effects of drugs on health. 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 (drug, medicinal drugs, recreational drugs, overdose, addiction and withdrawal symptoms) -Task boxes -Discussion exercise -Answer slides included for self-assessment Next lesson Alcohol https://www.tes.com/teaching-resource/resource-12763166 www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on sexual and asexual reproduction 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: Sexual and asexual reproduction Gametes Flowering plants Asexual reproduction in plants (runners, tubers and bulbs) Malaria and fungi Pros and cons of sexual reproduction 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 9 ~ complete revision lesson for Biology B3b (Turning Points 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: Key points from the previous topic (Genetics) Vaccines Antibiotics DNA Charles Darwin Preventing Extinction Return to the start of the topic https://www.tes.com/teaching-resource/resource-12825427 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 9 ~ complete revision lesson for Biology B3c (Detection 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: -Key points from the previous topics (New Technology and Key Discoveries in Science) -Microscopy -DNA fingerprinting -Blood Types -Pathology -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12826946 www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation on metabolism and homeostasis 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 New! Homeostasis lesson GCSE biology https://www.tes.com/teaching-resource/resource-12960089

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

PowerPoint presentation and worksheet on variation and selective breeding for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. This resource assumes some basic knowledge of sexual reproduction and inheritance. Next topic Evolution: https://www.tes.com/teaching-resource/resource-12557498 Content Covered: Genetic variation Environmental variation Selective breeding Causes of variation (mutation and sexual reproduction) Uses and disadvantages of selective breeding 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 diffusion. In this lesson students will learn how to describe how particles spread out by diffusion, explain the factors which affect how quickly diffusion happens and give some examples 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. This lesson includes: -Title slide with learning objectives -A starter activity -A group reading task (literacy) -Keywords sorting task (vocabulary: fluid, concentration, diffusion, collide and oxygen) -A task box exercise -A handout sheet task -Note taking from an experiment to show how particle size affects diffusion rate -Answer slides included -Next lesson Gas Pressure https://www.tes.com/teaching-resource/resource-12676255 www.tes.com/teaching-resources/shop/Dr_Troilo

PowerPoint presentation and worksheet on environmental change 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 Food Chains and Trophic Levels (https://www.tes.com/teaching-resource/resource-12636420) Content Covered: -Meaning of distribution of organisms -Environmental changes causing distribution changes -Types of environmental changes -Examples of how temperature, soil composition, pollution and water availability can lead to distribution changes -Seasonal factors, geographic factors and human activity Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo

Complete Christmas themed revision lesson for key stage 3 year 7 biology covering the topic of cells. Happy Holidays! In this lesson students will revise: -Key vocabulary -Subcellular structures -Magnification calculations -Specialised cells -Answer slides included for self-assessment www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Food Security and Farming. In this lesson pupils will state what food security is, explain some factors affecting food security and discuss how food production can be made more efficient. 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 -Fishing quotas 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 Biotechnology https://www.tes.com/teaching-resource/resource-12857082 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Protecting Ecosystems. In this lesson pupils will list some ways that we can protect ecosystems and discuss the pros and cons of conservation methids. 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 -Matching task -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 Deforestation https://www.tes.com/teaching-resource/resource-12856543 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Abiotic and Biotic Factors. In this lesson pupils will explain the difference between abiotic and biotic factors, give some examples of how these factors may change and explain the consequences if they do. 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 -Order the steps -Biotic or Abiotic -Comprehension questions -Numeracy 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 Food Chains and Webs https://www.tes.com/teaching-resource/resource-12863019 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ short lesson on the Enzymes Practical designed to be used with a practical session or as year 11 pre-exam revision of the required practical. In this lesson pupils will describe an experiment to investigate the effect of pH on enzyme activity and calculate the rate of reaction from the results. 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 -Handout sheet task -Numeracy 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. -Enzyme lesson https://www.tes.com/teaching-resource/-12842558

Powerpoint and worksheet on contraception for teaching and revision. This resource follows the AQA Biology GCSE syllabus. Next topic Infertility: https://www.tes.com/teaching-resource/resource-12366752 Content Covered: Puberty Menstrual cycle overview Hormone control of the menstrual cycle (FSH, LH, oestrogen and progesterone) 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

Key Stage 4 ~ GCSE Biology~ free lesson on Vaccination. This lesson follows on from Immunity (https://www.tes.com/teaching-resource/resource-12945455). In this lesson pupils will build on what they have learned about the immune system to explain how vaccination works. They will then discuss the pros and cons of vaccination. 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 (immunity, vaccine, antibodies, antigens and MMR vaccine) -Task boxes -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 Drugs https://www.tes.com/teaching-resource/resource-12948723

Key Stage 4 ~ GCSE Biology~ full lesson on Global Warming. In this lesson pupils will state the major greenhouse gases and where they come from, explain why greenhouse gases cause climate change and describe the effects of climate change. 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 -Task boxes -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. Discussion/extension answers are in the ppt notes. -Next lesson Protecting Ecosystems https://www.tes.com/teaching-resource/resource-12983978 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ lesson on Controlling Body Temperature. In this lesson pupils will explain why body temperature needs to be kept constant, describe how body temperature is kept constant and explain what "antagonistic effectors are. They will relate this to what they have learned about homeostasis, negative feedback and the nervous system to reinforce their topic vocabulary. 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 -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, homeostasis and negative feedback have already been introduced. Discussion/extension answers are in the ppt notes. -Next lesson The Endocrine System https://www.tes.com/teaching-resource/resource-13027931