English National Curriculum - Science
Mission Objectives
Describe and explain how changing the surface area changes the rate of reaction
Investigate the effect of surface area on rate of reaction
Explain why many collisions do not lead to a chemical reaction
Save files related to this lesson
Words and meanings to learn
product
a new substance formed as a result of a chemical reaction
surface area
the total area of the exposed surface of a solid reactant
rate of reaction
how fast a chemical reaction happens
reactant
a starting substance in a chemical reaction
successful collision
a collision with enough energy and correct orientation to cause a chemical reaction
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.
Demo: flour/icing sugar/milk powder, sieve, Bunsen burner
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.