English National Curriculum - Science
Mission Objectives
Describe what is meant by a reversible reaction
Explain the term equilibrium
Explain in detail the energy changes in an equilibrium system
Save files related to this lesson
Words and meanings to learn
reversible reaction
a reaction where the products can react to form the original reactants again; it can go in both directions
endothermic
a reaction that takes in energy from the surroundings, usually as heat, making the surroundings cooler
products
the new substances made during a chemical reaction
reactants
the starting substances in a chemical reaction that react together to form new substances
exothermic
a reaction that releases energy to the surroundings, usually as heat, making the surroundings warmer
Sponsored by
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.
Expert film
Mission assignment film
Address
Developing Experts Limited
Exchange Street Buildings
35-37 Exchange Street
Norwich
NR2 1DP
UK
Phone
01603 273515
Email
[email protected]
Copyright 2026 Developing Experts, All rights reserved.
Unlock expert-designed lessons, resources, and assessments tailored for educators. No credit card required.
Claim Your Free Trial →We use cookies to enhance your browsing experience and analyze our traffic. Learn more.