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Alexpce's Shop

I am a TES recommended author and a UK Science teacher with a Chemistry specialism. You'll find various KS3 and KS4 Science resources here (Biology, Physics and Chemistry) as well as some A level Chemistry stuff. I try to make my lessons visually appealing, with clear diagrams and text and a variety of different tasks. If you have any suggestions of resources you'd like to see uploaded, I'd be happy to hear from you.

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I am a TES recommended author and a UK Science teacher with a Chemistry specialism. You'll find various KS3 and KS4 Science resources here (Biology, Physics and Chemistry) as well as some A level Chemistry stuff. I try to make my lessons visually appealing, with clear diagrams and text and a variety of different tasks. If you have any suggestions of resources you'd like to see uploaded, I'd be happy to hear from you.
Specialised cells worksheet
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Specialised cells worksheet

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A worksheet on specialised cells, suitable for KS3 (year 7 or 8) or above. Students are asked to match diagrams of specialised cells with their names, separate specialised plant cells from animal cells and match specialised cells with their adaptations. Specialised cells covered include root hair cells, palisade cells, sperm cells, red blood cells, ciliated epithelial cells and nerve cells. Worksheet and answers included in .pdf and .docx (same worksheet). For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Evaporation and boiling lesson
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Evaporation and boiling lesson

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Year 8 lesson on evaporation and a comparison with boiling. PowerPoint and worksheets included (at back of PowerPoint). LOs: To describe the process of evaporation. To explain the differences between boiling and evaporation using the particle model. To investigate factors affecting evaporation. 1. Do Now: Underline Mr. Wrong’s mistakes 2. Group Activity: Think, pair, share - what is happening in the pictures? 3. Exposition: Explaining evaporation using the particle model 4. Exposition/Group Activity: Comparing evaporation to boiling 5. Student Activity: Students complete table comparing evaporation to boiling (highly scaffolded and less scaffolded versions available) 6. Mini-plenary: True or false quiz 7. Demonstration: Factors affecting evaporation (eg. wind speed, temperature, surface area, liquid being evaporated). Worksheet for students to complete. 8. Plenary/Reflection: What quality did I demonstrate today? For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Conduction, convection and radiation GCSE lesson
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Conduction, convection and radiation GCSE lesson

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GCSE lesson on conduction, convection and radiation (the 3 heat transfer processes). LOs: Describe the processes of heat transfer in solids, fluids and vacuums. Explain convection currents in detail. Compare and contrast the three types of heat transfer. 1. Do Now: What is happening in the picture? Explain this process in terms of the energy of the particles 2. Exposition/Demonstration: Modelling the 3 types of heat transfer using a ball (students could write down their understanding of the 3 processes) 3. Mini-plenary: 'Back to back' activity, where students split into pairs, with one facing the front. This student has to describe what they see without using the 3 key words (conduction, convection or radiation) 4. Student Activity: Venn diagram for students to complete on conduction, convection and radiation, using words, diagrams etc. (helper sheet if needed) 5. Plenary: Exam style question about keeping a house warm Option extension/extra activities included: 1. Table for students to complete on conduction, convection and radiation 2. Video questions (video on YouTube) for students to complete on conduction, convection and radiation For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Density of Solids and Liquids year 8 PowerPoint and worksheet
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Density of Solids and Liquids year 8 PowerPoint and worksheet

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LOs: To make predictions about whether an object will sink or float. To define density and relate it to the particle model. To use the equation to calculate the densities of different objects. Aimed at a lower set year 8 class. A higher ability class will probably require more. Density of solids and liquids PowerPoint. Includes heavily scaffolded worksheet on density calculations and a cloze exercise. Mini-plenary using mini-whiteboards or similar. Demonstration of density using water and a range of different objects. For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
DC (direct current) Motors and the motor effect lesson
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DC (direct current) Motors and the motor effect lesson

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Year 8 lesson on DC (direct current) motors and the motor effect. PowerPoint and worksheet included (at back of PowerPoint). The lesson involves students making a DC motor. LOs: To describe some uses of D.C. motors. To explain the effect of a magnetic field on a wire carrying an electric current. To explain how D.C. motors of different strengths are made. 1. Do Now: List objects with motors in them 2. Exposition: What is a motor and what is the energy transfer happening in them? 3. Student Activity: The motor effect reading comprehension 4. Mini-plenary: True or false quiz on the motor effect 5. Student Activity: Making a motor using wire, magnets, etc. 6. Exposition: How can you make the motor faster? 7. Plenary: Learning triangle For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Particle Theory lesson - Solids, Liquids and Gases
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Particle Theory lesson - Solids, Liquids and Gases

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Year 7 or 8 lesson on the Particle Theory - Solids, Liquids and Gases. PowerPoint and worksheets included (at the back of the PowerPoint). LOs: To identify solids, liquids and gases. To describe the 3 states and their properties. To explain changes of state using ideas about the particle model of matter. Activities: 1. Do Now: Separate the different substances into solids, liquids and gases. Are there any you are unsure about? 2. Exposition: The particle theory of solids, liquids and gases 3. Student Activity: Explaining properties using the particle theory 4. Class Activity: Watch interactive content on particles (could be replaced by practical demonstrations in the laboratory) 5. Student Activity: Complete the information table about the particles in solids, liquids and gases (and green pen check) 6. Mini-plenary: Particles and states MCQs 7. Independent Task: Exam style questions on the particle theory (then self assessment and reflection) 8. Plenary: Learning triangle For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Changes of State lesson
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Changes of State lesson

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Year 8 lesson on changes of state. PowerPoint and worksheets included (at back of PowerPoint) LOs: To recognise changes of state as being reversible changes. To use scientific terminology to describe changes of state. To explain changes of state using the particle model and ideas about energy transfer. 1. Do Now: Which particle diagram shows a solid, a liquid and a gas? 2. Group Activity: Think, pair, share - what do the photos show? 3. Exposition: Changes of state and the particle model 4. Student Activity: Complete the diagram to show the changes of state and answer the questions 5. Mini-Plenary: Mini-whiteboard quiz on changes of state 6. Exposition: Different substances have different melting and boiling points 7. Exposition: Heating curves 8. Student Activity: Asking students to deduce what states different substances are at different temperatures, using their melting and boiling points 9. Plenary: Multiple choice questions exit ticket For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Forces lesson / revision lesson
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Forces lesson / revision lesson

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Year 7 or 8 lesson on Forces. Includes PowerPoint and worksheets (print from back of PowerPoint). LOs: To state the different forces To explain the effects of balanced and unbalanced forces To analyse data from forces experiments 1. Do Now: Recall questions on balanced forces and weight 2. Exposition: Reminder that forces can be push, pull or twist 3. Student Activity: Naming common names for forces (eg. thrust, lift, air resistance, friction) 4. Exposition: Non-contact forces and force diagrams using arrows 5. Mini-plenary: Forces quiz (MCQs) 6. Student Activity: Correcting force diagrams (then check answers) 7. Exposition: Resolving forces using force diagrams and simple addition/subtraction 8. Independent Task: Forces exam style questions 9. Plenary: Learning triangle For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Transition Metal Complexes
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Transition Metal Complexes

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Year 13 lesson on Transition Metal complexes (based on AQA syllabus). PowerPoint and worksheet included. Print out last 3 slides to hand out examples of TM complexes to students. LOs: To define key terms in relation to complex ion formation. To describe how the size of ligands affects the shape of complex ions. To explain how ligand charge determines the charge on a complex ion. 1. Do Now: Recap on transition metals 2. Student Activity: Think, pair, share - what does TM complex diagram show? 3. Student Activity: Students come to their own definitions of 'ligand' and 'coordination number' 4. Exposition: Monodentate, bidentate, tridentate terms introduced 5. Mini-plenary: Checkpoint activity asking for ligand, coordination number and shape for 3 new complexes 6. Student Activity: Students draw out bidentate ligand and answer questions 7. Exposition: Introduce and discuss various multi dentate ligands, perhaps introducing the term 'chelate' 8. Exposition: Explaining shapes of complexes with regard to the size of a ligand 9. Exposition: How to calculate total charges on complex ions 10. Independent Task: Students complete worksheet on TM complexes 11. Plenary: Recap of all new terms learnt, using 3 new TM complexes 12. Extension Task: Drawing TM complexes For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Fuse Do Now comprehension and calculations worksheet
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Fuse Do Now comprehension and calculations worksheet

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2 x worksheets on fuses The first is a Do Now reading comprehension on fuses and circuit breakers and how fuses work. The second is a worksheet asking students to decided which fuse is appropriate for different applications. Students are then required to calculate current from voltage and power data, using the equation P=IV (rearranged to I=P/V) and hence decide which fuse is appropriate.
Leaves and photosynthesis - Structure and function
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Leaves and photosynthesis - Structure and function

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Year 8 lesson (could be extended to two lessons), including various activities and worksheets. LOs: To describe the adaptations of leaves To explain the functions of different parts of a leaf To evaluate the structure of a leaf as regards to the function of each part Activities: 1. Do Now: MCQs on photosynthesis 2. Exposition: Photosynthesis equation recap 3. Group activity: Think, pair, share on adaptations of leaves 4. Mini-plenary: Adaptations of leaves check for understanding (join up activity) 5. Mini-plenary: If this is the answer, what is the question? 6. Independent Task: Cloze exercise on leaves and photosynthesis 7: Exposition: Structure of a leaf 8. Independent Task: Structure of leaves worksheet 9. Extension: Planning an investigation into the factors that affect photosynthesis. (Practical activity could follow next lesson.) 10. Plenary: Learning triangle For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
A guide to solving Hess cycle questions
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A guide to solving Hess cycle questions

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A year 12 (AS level) guide to solving Hess cycle questions on enthalpy change of reaction, using either enthalpy change of combustion or enthalpy change of formation values. Includes detailed instructions and one worked problem. Could also be used for year 13 (A level).
Understanding how sound travels through materials lesson
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Understanding how sound travels through materials lesson

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Year 7 or 8 lesson on understanding how sound travels through materials. LOs: To recognise how the speed of sound changes in different substances. To use the particle model to explain why sound cannot travel through a vacuum. To use the particle model to explain why there are differences when sound travels through solids, liquids and gases. Activities: 1. Do Now: Keyword match-up with definition 2. Student Activity: Fill in the gap sheet on how sound travels through different materials 3. Student Activity: Drawing a bar chart of the speed of sound through different materials 4. Mini-plenary: Drawing conclusions from the bar chart 5. Student Activity: Discussing the film poster tagline "In space no one can hear you scream" and adding scientific information 6. Independent Task: Drawing particle diagrams for solid, liquid and gas and using them to explain why sounds travels fastest through solids and slowest through gases 7. Plenary: 3,2,1 For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
A guide to solving bond enthalpy questions
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A guide to solving bond enthalpy questions

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A year 12 (AS level) resource for solving bond enthalpy questions. Could also be used for GCSE or year 13 (A level). This contains a numbered guide of how to solve these types of questions and includes 2 worked examples, following the guide.
Drawing particle diagrams worksheet
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Drawing particle diagrams worksheet

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A colourful worksheet for year 7 or 8 pupils on drawing particle diagrams. Includes tips on how to draw particle diagrams, avoiding some common misconceptions (eg. particles not touching in a liquid) and a 7 question worksheet to check understanding. The worksheet is uploaded both as PowerPoint (editable) and PDF files (same worksheet). For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Chemosynthesis -  Comparing chemosynthesis with photosynthesis
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Chemosynthesis - Comparing chemosynthesis with photosynthesis

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Year 8 lesson on chemosynthesis, including worksheets and activities (they are at the end of the PowerPoint slides). LOs: To describe how ocean vent communities survive To compare and contrast chemosynthesis and photosynthesis To analyse the adaptations of organisms in ocean vent communities Activities: 1. Do Now: Opening question 2. Video/Discussion: Life in the deep - how does it survive? 3. Student Activity: Comprehension on chemosynthesis and photosynthesis 4. Mini-plenary: Correct the mistake 5. Student Activity: Double bubble comparing similarities and differences of chemosynthesis 6. Mini-plenary: True or false questions 7. Student Activity: Information hunt on deep sea organisms 8. Plenary: Students give presentations on what they have learnt For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Nervous system and immune system lesson / revision lesson
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Nervous system and immune system lesson / revision lesson

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GCSE lesson on the nervous system and immune system. This lesson is mainly student led and assumes previous knowledge of the topics covered LOs: To define key parts of the nervous system. To describe how a signal crosses a synapse. To explain in detail how a reflex action occurs. 1. Do Now: List the 5 main sensory organs and the stimuli they respond to. 2. Student Activity: Label the nerve cell and explain its features 3. Independent Task: Label a diagram of a reflex arc and explain how a reflex action occurs (6 mark style question) 4. Student Activity: Explaining how nerve signals pass across a synapse 5. Mini-plenary: Quiz on the nerve system 6. Exposition: Pathogens, disease and the immune system 7. Student Activity: How do white blood cells protect us from disease (then correct answers) 8. Student Activity: Vaccination 6 mark exam-style question. What does it involve and how does it protect us from disease? (Then self assessment) 9. Student Activity: Antibiotic resistance using diagrams (Then peer assessment) 10. Plenary: Exam style question on the immune system For more resources check out my shop: https://www.tes.com/teaching-resources/shop/alexpce If you liked this resource, please write a review! :)
Density of solids and liquids worksheet
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Density of solids and liquids worksheet

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For a lower set year 8 class. A highly scaffolded worksheet teaching students how to use the density formula to calculate densities of various solids. A cloze exercise testing understanding of key concepts about density.