English National Curriculum - Science

Chemical equations and formulae

Mission Objectives

Identify reactants and products from a variety of chemical reactions

Develop an understanding of chemical formula and symbols for elements and compounds

Develop the concept of balancing chemical equations, and conserving mass

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Rocket Words Quiz

Rocket Words Quiz

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Assessment Quiz

Assessment Quiz

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Word Search Game

Word Search Game

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Lesson Resources

Lesson Plan

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Keywords

Words and meanings to learn

balanced

when an equation has the number of atoms of each element the same on both sides, obeying the law of conservation of mass

conservation of mass

principle stating that mass is neither created or destroyed in a chemical reaction

reactant

the substances that start a chemical reaction and are found on the left side of a chemical equation

formulae

representing chemical substances using symbols and numbers; e.g H2O indicates two hydrogen atoms and one oxygen atom

product

the substances that are formed as a result of a chemical reaction

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This lesson has been written by

Samantha Batch

Samantha is an accomplished science educator whose current work centres on curriculum design and professional development, supporting teachers to deliver high-quality science education through evidence-informed approaches. She is a former Head of Chemistry and Sixth Form Tutor with extensive Key Stage 4 and 5 experience, and has worked as an AQA examiner, giving her valuable insight into assessment standards and what students need to succeed.

Underpinning this is a strong foundation in applied science built across a range of industry roles. Samantha has held scientific roles at John Smith's Brewery, Yorkshire Water and WasteCare, where she led technical projects, drove operational efficiencies and ensured compliance with industry standards. Across these roles she has first-hand experience of how scientific knowledge translates into measurable outcomes in professional and commercial environments.

In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket. 

Required Resources

Whiteboards - useful to help students with working out balancing equations.

Balancing equations - handout.

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