English National Curriculum - Science Science

2. Represent chemical reactions using equations

Mission Objectives

Explain the concept of chemical reactions and why chemical equations are used to represent them

Write chemical equations for a given chemical reaction and identify the reactants and products

Balance chemical equations to satisfy the law of conservation of mass

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Keywords

Words and meanings to learn

Antoine Lavoisier

a French chemist whose experiments helped to confirm the conservation of matter in a chemical reaction

methane

a colourless, odourless flammable gas which is the main constituent of natural gas

subscript

a letter, figure, or symbol written or printed below the line

balanced equation

a chemical equation in which the number of atoms of each element is equal on both sides of the equation

conservation of matter

the principle that in any closed system subjected to no external forces, the mass is constant irrespective of its changes in form; the principle that matter cannot be created or destroyed

This lesson has been written by

Jonathan Badgery

Jonathan is a leading science writer and presenter. Having attended military school in the UK, Jon attended the University of East Anglia in the UK, where he gained his BSc in Chemical Physics. Following this, Jon completed his PGCE (Post-graduate Certificate of Education), teaching science and leading physics in large city secondary schools in the UK.

Jon is a passionate scientist and specialises in science communication; delivering CPD workshops, science lectures, shows and community science days.

Paul Usher

Paul studied English Literature at Nottingham Trent University and gained his PGCE (Post-graduate Certificate of Education) at the University of East Anglia. Following this, Paul had a successful teaching career, leading English across two large secondary schools and then becoming Vice Principal. He has led several schemes in cross-curricular literacy and has also led teaching and learning in a school, overseeing teacher training and development. Paul has also lectured at universities for graduate teachers.

At Developing Experts, Paul oversees the strategic direction of the curriculum and uses his creativity to structure the teaching and learning strategy. He also edits for accuracy in literacy and liaises with translation services to ensure a high-quality end product.

Mike Linley

Mike studied zoology and botany at Durham University and followed this with 3 years of postgraduate study at Bristol University with the Science Research Council.

Mike uses his vast experience to add knowledge and engagement to Developing Experts, particularly within the disciplines of biology and zoology. He has over 20 years TV production experience, including writing and producing nature programmes for the Disney channel and, for a period of time, was Sir David Attenborough’s scientific advisor.

Heather Bingham

Heather qualified with a first-class honours degree in climate science from the University of East Anglia. Since, she has joined Developing Experts as a writer and presenter, specialising in earth and environmental sciences.

She is also an internationally published science author, having written a series of CLIL (Content and Language Integrated Learning) digital textbooks aimed at improving learners’ understanding of English whilst igniting an interest in science.

Required Resources

Resources: The handout. 

Core Handout: A sheet of ‘tips’ on balancing chemical equations, followed by 12 problems to complete. 

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