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

PowerPoint presentation and worksheet on the respiratory 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 Circulatory System: https://www.tes.com/teaching-resource/circulatory-system-slides-and-worksheet-gcse-biology-aqa-12340179 Content Covered: Thorax anatomy (lungs, diaphragm, bronchus, bronchioles, alveoli) Gas exchange in the body Calculating breathing rate Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Lungs lesson https://www.tes.com/teaching-resource/resource-12866802

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

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

PowerPoint presentation and worksheet on decay and biogas for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Content Covered: -Decomposers and scavengers -Fertiliser production -Rate of decay -The effect of water availability, temperature, oxygen availability and decay organisms on rate of decomposition -Examples of biomes and their impact on decomposition -Aerobic and anaerobic decay -Methane as a biofuel -Generators (aka fermenters or digestors) -Batch biogas generators and continuous biogas generators -Inlets and outlets 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 movement of joints. 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 topics) -Group reading task -Keywords task -Task boxes -Discussion task -Practical task (optional) -Numeracy task (alternative to the practical) -Note taking task -Next lesson Muscles https://www.tes.com/teaching-resource/resource-12653363 All tasks have an optional self-assessment slide. This presentation is fully editable. www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on evaporation and sublimation. In this lesson students will learn how to explain why liquids can evaporate below their boiling point, explain why we sweat and describe sublimation and deposition. 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: boiling, evaporation, condensation, sublimation and deposition) -A task box exercise -A sorting task to summarize the difference between boiling and evaporation -A handout sheet on state change -Recall questions on particle theory and state change -Next lesson Diffusion https://www.tes.com/teaching-resource/resource-12977379 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 chemosynthesis. In this lesson students will learn about the similarities and differences between chemosynthesis and photosynthesis and discuss where chemosynthetic organisms can be found and why. 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: chemosynthesis, nitrogen fixing, symbiotic, mutualistic, hydrothermal vent and deep sea vent) -Handout sheet task -Comprehension questions -Discussion exercise -Answer slides included for self-assessment -Next lesson Aerobic Respiration https://www.tes.com/teaching-resource/resource-12766139 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 7 ~ complete lesson on colour. In this lesson students will describe the relationship between light wave frequency and colour, explain what hapens when light is dispersed and describe how the primary colours combine to make secondary colours. They will also discuss colour filters. 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) -Discussion exercise on colour filters (oracy) -Keywords task (vocabulary: primary colours, spectrum, prism, dispersion and filter) -Handout sheet task -Task boxes -Comprehension questions -Answer slides included for self-assessment -Next lesson Revision https://www.tes.com/teaching-resource/resource-12752410 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on solutions. In this lesson students will use the particle model to show how solutes are dissolved in a solvent and practice using key vocabulary to describe solutions. 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: solution, solvent, solute, miscible and immiscible) -Task boxes -Identification (Solute or Solvent?) -Comprehension task -Discussion exercise -Answer slides included for self-assessment -Next lesson Solubility https://www.tes.com/teaching-resource/resource-12786674 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on acids and metals. In this lesson students will describe the reactions with acids and metals and explain how to perform the squeaky-pop test for hydrogen gas. 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 -Discussion exercise -Comprehension questions -Handout sheet -Answer slides included for self-assessment -Next lesson Metals and Oxygen https://www.tes.com/teaching-resource/resource-12790399 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete revision lesson for Chemistry C1c (Metals, Acids and Materials). 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: -Metal reactions in acids, oxygen and water -Displacement reactions -Extracting metals from ore -Ceramics -Polymers -Composite materials -Return to the start of the topic https://www.tes.com/teaching-resource/resource-12790135 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 8 ~ complete lesson on Radiation. In this lesson pupils will describe how energy is transferred by radiation. They will describe how infrared radiation can be emitted, absorbed or reflected and explore how it interacts with different colour surfaces. 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) -Discussion Exercise -Keyword task (vocabulary: electromagnetic radiation, infrared, waves, emit and absorb) -Task boxes -Comprehension task -Handout sheet task -True or False -Answer slides included for self-assessment -Next lesson Energy Resources https://www.tes.com/teaching-resource/resource-12982995 www.tes.com/teaching-resources/shop/Dr_Troilo

Key stage 3 ~ year 9 ~ Complete lesson on the work of Charles Darwin. In this lesson pupils will describe the evidence Darwin gathered to develop his theory of natural selection, give examples of evidence to support Darwin’s theory and explain the peer review process using his work with Alfred Wallace as an example. 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) -Who? What? Where? -Task boxes -Comprehension questions (Darwin’s finch studies) -Peer review questions -Answer slides included for self-assessment -Next lesson Preventing Extinction https://www.tes.com/teaching-resource/resource-12826158 https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Stem Cells. In this lesson pupils will describe what a stem cell is, explain some uses for stem cells and discuss the ethics of stem cell use. 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 -Debate exercise -Comprehension questions -Plant stem cells walkthrough 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 Mitosis https://www.tes.com/teaching-resource/resource-12830872 Resources are available to accompany this lesson: https://www.tes.com/teaching-resources/shop/Dr_Troilo

Key Stage 4 ~ GCSE Biology~ full lesson on Enzymes. In this lesson pupils will describe what an enzyme is, explain the lock and key mechanism and describe how different factors affect the rate of enzyme activity. 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 -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. -Enzymes required practical revision https://www.tes.com/teaching-resource/resource-12844622 -Digestive Enzymes https://www.tes.com/teaching-resource/resource-12903171

Key Stage 4 ~ GCSE Biology~ full lesson on Plant Cell Organisation. In this lesson pupils will describe some more examples of specialised plant cells and how they are organised in a leaf. They will also give reasons why the cells are arranged in this way. 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 -Handout sheet task -Task boxes -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 Transpiration https://www.tes.com/teaching-resource/resource-12863543

PowerPoint presentation and worksheet on deforestation, land use and protecting ecosystems for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Content Covered: -Uses for land -Deforestation meaning -Loss of biodiversity from deforestation and draining peat bogs -Release of carbon from deforestation and draining peat bogs -Habitat protection -Waste reduction -Preventing global warming -Breeding programmes -Economic cost of protecting biodiversity -Biodiversity and food security Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo New! Deforestation and land use lesson GCSE biology https://www.tes.com/teaching-resource/resource-12856543

PowerPoint presentation and worksheet on the water cycle for GCSE biology for teaching and revision. Simple step by step explanations of concepts up to the end of KS4. Content Covered: -Evaporation and transpiration -Condensation and cloud formation -Precipitation -Overview of the water cycle Suitable for remote online distance learning and usable by non-specialists, including for homeschooling. www.tes.com/teaching-resources/shop/Dr_Troilo