Science 4 Breakfast
Science 4 Breakfast
5.0034 reviews

Having taught in the UK and abroad, I've experienced teaching many different syllabi including SABIS, AQA, WJEC and Cambridge. I develop resources to help teachers model key concepts, provide practice for students and include answers to help students self-assess their work. Planning for a 27 lesson week can be stressful to say the least, so I hope you find my resources useful. Thank you for choosing my lesson/s, I hope they enrich your teaching practice and make your life easier.

pptx, 235.63 KB
pptx, 235.63 KB

This detailed PowerPoint presentation, is an essential resource for chemistry students to master core concepts. The lesson is structured to help learners define and apply relative atomic mass (Ar) and relative formula mass (Mr), utilizing the periodic table effectively. Students will also learn to calculate the percentage mass of elements within compounds, making it a versatile tool for foundational chemistry education.

Key learning objectives include:

  • Defining Ar and Mr.
  • Identifying atomic and mass numbers using the periodic table.
  • Calculating relative formula masses of compounds, even those with brackets.
  • Determining the percentage mass of elements in chemical compounds.

The presentation includes engaging starter activities, such as balancing equations and calculating subatomic particles for elements, followed by detailed explanations and worked examples. For instance, students will calculate the percentage mass of hydrogen in water (H₂O) and oxygen in glucose (C₆H₁₂O₆), reinforcing real-world applications.

Designed for GCSE-level chemistry or equivalent, this resource provides practice questions with answers, ranging from simple calculations to more complex problems involving multiple atoms. It ensures a step-by-step understanding of concepts and offers a robust platform for both classroom instruction and independent study.

The file format is PowerPoint (.pptx), compatible with most educational devices. This update includes enhanced examples and refined content for greater clarity and engagement. Perfect for educators aiming to deliver dynamic lessons and for students striving to excel in chemistry.

Get this resource as part of a bundle and save up to 58%

A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place.

Bundle

GCSE Chemistry Chemical Calculations Bundle: 6-Lesson Unit

This resource bundle offers six meticulously crafted lessons to help students excel in quantitative chemistry. Designed for secondary school learners, it provides clear explanations, practical examples, and interactive activities, making it ideal for teaching, independent study, or revision. What’s Included: Conservation of Mass: Explore how mass remains unchanged during chemical reactions. Practical examples and engaging exercises ensure students grasp this core principle. Ar, Mr, and Calculating Percentage Mass of an Element in a Compound: Learn to calculate relative atomic mass (Ar) and molecular mass (Mr), and determine the percentage composition of elements within compounds. The Mole and Calculations Involving Mass, Moles, and Molar Mass: Simplify the concept of the mole with worked examples that show how to calculate the mass, number of moles, and Ar/Mr, supported by ample practice questions. Reacting Masses in Equations: Use balanced chemical equations to determine the masses of reactants and products, connecting theory with real-world applications. Counting Atoms, Writing, and Balancing Equations: Help students confidently write and balance chemical equations while understanding the role of coefficients and subscripts in counting atoms. Concentration of Solutions: Dive into solution chemistry with lessons on calculating concentration, mass, and volume, supported by examples and real-life contexts like dilutions and mixing solutions. Why Choose This Bundle? Each lesson includes starter activities, exam-style questions, and step-by-step worked examples. Topics are aligned with GCSE chemistry curricula, ensuring comprehensive coverage of key quantitative skills. Flexible usage: Perfect for guided teaching, revision sessions, or targeted intervention. File Type: PowerPoint (.pptx) Updated: December 2024 – New lessons on concentration and balancing equations have been added. Equip your students with the tools they need to confidently tackle quantitative chemistry and achieve success in their exams and beyond! Lesson 1 Counting Atoms, Writing Equations and Balancing Equations Lesson 2 - Conservation of Mass Lesson 3 - Ar, Mr and Calculating % Mass of an Element in a Compound Lesson 4 - The Mole and Calculating Number of Moles, Mass or Ar/Mr Lesson 5 - Reacting Masses in Equations Lesson 6 - Concentration of Solutions

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