This PowerPoint presentation provides an insightful exploration of the properties of hydrocarbons, specifically designed for secondary school chemistry lessons. It delves into how the physical and chemical properties of hydrocarbons change with chain length and their implications for real-world applications. The resource begins with clear learning objectives, such as demonstrating the separation of crude oil into fractions through fractional distillation, describing trends in viscosity, flammability, and boiling point as chain length varies, and linking these properties to the practical uses of hydrocarbons. Starter activities engage students with thought-provoking questions, laying the foundation for the lesson. Core concepts are presented through easy-to-follow explanations and interactive activities. The presentation covers key terms, including boiling point, flammability, viscosity, and volatility, with gap-fill exercises to reinforce understanding. It explains how fractional distillation separates hydrocarbons based on boiling points and explores the properties of smaller versus larger hydrocarbons. For instance, smaller hydrocarbons are more volatile and flammable, making them ideal for cooking gases, while larger hydrocarbons are more viscous and suited for road surfacing. The resource also includes practical demonstrations, such as laboratory fractional distillation, supported by linked video content for enhanced understanding. Students are challenged to apply their knowledge by writing methods for separating synthetic crude oil and investigating its fractions’ properties. Available as a PowerPoint file (.pptx), this resource is updated to align with educational standards and offers a comprehensive tool for engaging and educating students about the properties and uses of hydrocarbons.

Practice calculating the percentage by mass of an element in a compound with these tiered questions. Answers included. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

PowerPoint that covers power and the cost of electricity for a KS3 level class. The starter revisits efficiency and energy stores from previous lessons to enhance memory recall. The power equation (power = energy transferred / time) is covered with an example of how to show working out. Slides include rearranging the equation and unit conversions. The cost equation (cost = power x time x cost per kWh) is also covered. Answers are included.

PowerPoint that covers the following learning objectives: Describe the reaction between metal and acid using an ionic equation. Determine and explain which species is oxidised and which species (metal atom or ion) is reduced in a reaction in terms of electron transfer. Includes questions, answers, examples and explanations. This is made for a GCSE chemistry class. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

This comprehensive PowerPoint presentation, titled Effect of Temperature, is a dynamic resource designed for educators teaching the impact of temperature on reaction rates. Targeted at science students, this resource aligns with the principles of collision theory and provides an interactive approach to learning. The lesson begins with clear learning objectives: understanding how temperature affects reaction rates and using collision theory to explain this phenomenon. A starter activity engages students with fundamental questions about reaction rates, graphing variables, and basic calculations, setting the stage for deeper exploration. The main content includes structured explanations and hands-on simulations, using the PhET Reactions and Rates tool. Students will observe and analyze reactions at varying temperatures, enhancing their grasp of key concepts like particle movement, activation energy, and the conditions for successful collisions. Visual aids and particle diagrams complement the teaching material, making abstract concepts accessible and engaging. This resource also features practice questions for skill reinforcement and challenge activities for advanced learners. A plenary section reviews key factors influencing reaction rates, encouraging students to consolidate their understanding. Designed for flexibility, this resource can be adapted to classroom or virtual learning environments. The included file is a PowerPoint presentation (.pptx), ensuring compatibility with most devices. Last updated on 13/12/24 with detailed annotations and questions, this resource provides an up-to-date and interactive tool for educators. Keywords: Collision Theory, Reaction Rates, Temperature and Activation Energy.

This comprehensive PowerPoint resource on Covalent Bonding is designed to help students understand how non-metal atoms form bonds through the sharing of electrons. It provides a structured lesson plan that includes starter activities, clear explanations, and interactive learning objectives. Key topics covered include the definition of covalent bonding, how bonds form, and detailed instructions for drawing dot-and-cross diagrams of simple molecules such as H₂, F₂, O₂, CO₂, CH₄, NH₃, and H₂O. The presentation is ideal for secondary school science students and aligns with chemistry curricula focused on bonding and molecular structures. Starter activities engage students by reinforcing prior knowledge, such as properties of metals and metallic bonding, while guiding them to categorize compounds as ionic or covalent. The slides are rich with examples and include step-by-step modeling of covalent bonding, which aids visual learners in grasping the concept. Updated for clarity and usability, this PowerPoint includes review questions to consolidate learning and practice. It is a ready-to-use resource for teachers, complete with editable slides to tailor the content to specific classroom needs. The file format is .pptx, ensuring compatibility with most devices and software. Perfect for lessons, revision, or self-study, this resource makes understanding covalent bonding accessible and engaging for students.

This detailed PowerPoint presentation is an educational resource designed for teaching the process of hydrocarbon cracking to secondary school students studying chemistry. It aligns with curriculum specifications related to hydrocarbons, alkenes, and organic chemistry. The resource introduces key concepts such as the definition of alkenes, their general formula, and their unsaturated nature due to the presence of a double bond. It also covers the process of cracking hydrocarbons, explaining both catalytic and steam cracking methods, and includes relevant equations for students to practice. The lesson provides clear learning objectives, which include defining alkenes and describing the first four alkenes with their molecular formulas and structures. Additionally, the resource explains how to conduct a chemical test for alkenes and outlines the conditions necessary for cracking. Students can engage with the content through interactive starter activities, such as answering questions about hydrocarbons, molecular formulas, and structural representations, which will help them develop a deeper understanding of the topic. The resource further explores real-world applications by discussing the role of cracking in oil refineries. It also addresses the challenges of balancing the supply and demand for various hydrocarbons, providing students with context for how cracking can be used to produce shorter, more useful hydrocarbons from longer chains. The concept of polymerization is also included, explaining how ethene (a product of cracking) is used to create poly(ethene), a widely used plastic material. To enhance the learning experience, the PowerPoint includes multimedia elements, such as links to YouTube videos that demonstrate experiments and the cracking process. The resource is available in PowerPoint format (.pptx) and has been updated to ensure accuracy and relevance. This resource is an ideal teaching tool for educators looking to deliver comprehensive, engaging, and informative lessons on hydrocarbon cracking.

This PowerPoint presentation is a versatile and detailed resource designed for secondary school students to learn about hydrocarbons. It provides foundational knowledge of crude oil, hydrocarbons, and alkanes, aligning perfectly with chemistry curriculum requirements. The resource begins with clear learning objectives, such as describing the composition of crude oil, defining hydrocarbons and alkanes, and using the general formula for alkanes to create molecular and displayed formulas. Starter activities introduce key topics by prompting students to recall fundamental concepts like chemical symbols and the origins of crude oil. Through engaging content, the presentation explains how crude oil forms over millions of years from ancient sea creatures and plants, emphasizing its non-renewable nature. Students learn that crude oil is a mixture of hydrocarbons, defined as compounds containing only carbon and hydrogen. The section on alkanes highlights their saturated nature due to single covalent bonds and provides a step-by-step explanation of their general formula, 𝐶𝑛𝐻2𝑛+2. Interactive tasks include completing tables for alkane formulas, identifying patterns in molecular structure, and answering exam-style questions. The resource emphasizes the real-world relevance of hydrocarbons by linking them to everyday products like petrol and candle wax. Available as a PowerPoint file (.pptx), this resource includes detailed explanations, practical exercises, and answers to aid both teaching and learning. It is an ideal choice for educators seeking a structured and comprehensive teaching tool on hydrocarbons.

This PowerPoint resource is a complete instructional tool designed to teach students about energy changes in chemical reactions. The resource focuses on drawing and interpreting reaction profile diagrams for exothermic and endothermic reactions, defining activation energy, and explaining its role in chemical processes. It includes clear learning objectives, engaging starter activities, and interactive tasks to reinforce understanding. Students will explore the differences between exothermic and endothermic reactions, learn how to label key features on reaction profiles, and understand how catalysts influence activation energy. The resource also covers key concepts like energy release, absorption, and bond breaking and forming. Designed for high school chemistry lessons, this resource aligns with common science curricula and is ideal for interactive teaching, individual practice, or group work. It includes definitions, worked examples, gap-fill exercises, and review questions to assess understanding. Students are encouraged to draw diagrams, identify energy changes, and label components to deepen their comprehension. This ‘.pptx’ file is fully editable and compatible with most presentation software, allowing teachers to customize content to suit specific classroom needs. The resource has been designed for clarity and engagement, ensuring it remains an effective teaching aid for energy concepts in chemistry.

This PowerPoint is an essential teaching aid for understanding energy calculations in chemistry. It guides students through calculating energy changes using bond energies and determining whether a reaction is exothermic or endothermic. The resource covers key learning objectives: explaining why bond breaking is endothermic and bond making is exothermic, analyzing reactions in terms of energy transfer, and performing accurate energy change calculations using the correct units (kJ/mol). It includes definitions, worked examples, and practice problems to reinforce understanding. Starter activities prompt students to review concepts like activation energy, reaction profiles, and the energy changes associated with chemical processes. Students will work with bond energy values to calculate energy changes in various reactions, such as combustion and synthesis. They will also interpret the significance of negative and positive energy changes, linking them to exothermic and endothermic processes. The resource highlights the importance of bond energy in understanding chemical reactivity and energy conservation. This ‘.pptx’ file is fully editable, enabling teachers to adapt the content to specific curricula or student needs. It’s ideal for high school chemistry lessons and is aligned with many science specifications. This resource has been refined for clarity and engagement, ensuring its relevance as a tool for teaching energy changes in chemical reactions.

This PowerPoint presentation provides a comprehensive introduction to electrolysis, making it an essential tool for secondary school students learning this fundamental chemistry concept. The resource breaks down the principles of electrolysis, its industrial applications, and the processes involved in ionic compounds. The lesson begins with clear learning objectives, including defining electrolysis, describing the movement of ions, and explaining why this process requires ionic compounds to be molten or in an aqueous solution. Starter activities engage students with foundational questions about ionic and covalent compounds, ions, and the role of electricity in chemical reactions. Key topics covered include: Definition of Electrolysis: Students learn that electrolysis involves using electricity to break down ionic compounds (electrolytes) into their constituent elements. Electrolysis Components: The roles of the anode (positive electrode), cathode (negative electrode), and electrolyte are explained in detail. Concepts such as cations (positive ions) moving to the cathode and anions (negative ions) moving to the anode are introduced with mnemonic aids like “PANIC” (Positive Anode, Negative Is Cathode). Demonstrations and Applications: Practical examples include the electrolysis of molten sodium chloride and potassium chloride. Students observe how different ions move and interact at the electrodes, forming elements like chlorine gas and sodium metal. Industrial Relevance: The presentation highlights electrolysis as a critical industrial process used to extract elements like aluminium and chlorine from their ores. Interactive elements, such as gap-fill activities, diagrams, and guided demonstrations, enhance engagement and understanding. Students are also encouraged to apply their knowledge through practice questions and structured tasks. Available as a PowerPoint file (.pptx), this resource is aligned with curriculum standards and regularly updated to ensure relevance. It is ideal for teachers aiming to deliver engaging lessons on electrolysis, helping students grasp this vital chemistry topic.

Practice calculating magnification, image size and real size with these tiered questions. Answers included. If you could spare 5 minutes, please review this resource, to help my online presence grow! :)

Enhance your IB Chemistry DP exam preparation with these multiple-choice test papers covering Structures 1.1, 1.2, and 1.3 of the 2025 syllabus. Ideal for teachers and students, this resource includes: A 30-mark Standard Level (SL) paper to be completed in 50 minutes. A 40-mark Higher Level (HL) paper to be completed in 65 minutes. Comprehensive mark schemes for both SL and HL papers. A generic answer sheet for students to record their responses. Perfect for in-class assessments or practice exams, these papers are designed to reflect the new IB Chemistry format for first assessment in 2025. Get your students exam-ready with these structured and time-effective resources!

• Describe the effect of changing the mass or the force acting on an object on the acceleration of that object. • Calculate the force required to cause a specified acceleration on a given mass. • Perform calculations involving the rearrangement of the F = ma equation.

• Define what the centre of mass is and identify where it would be in a range of simple shapes. • State that a suspended object will come to rest so that the centre of mass lies below the point of suspension. • Describe an experimental technique to determine the centre of mass of an object with an irregular shape. • Compare the stability of objects to the position of their centre of mass.

Students will research and fill in 2 worksheets on organisms that went extinct in Qatar.

Appropriate for AS level physics. Print double sided (flip along long side).

Includes testing for: Cations Anions Gas tests Test for Water Testing for Purity of Water Flame Tests Question on one side, answer on the other. Print double sided (flip along long side of paper).