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
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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
Samantha is an accomplished science educator with over 15 years of leadership experience and a strong background in scientific analysis. She has a proven record of leading departments effectively, improving practice, and working collaboratively with stakeholders.
In her current work, Samantha embeds evidence-informed pedagogical principles such as retrieval practice, clear modelling, and effective sequencing to support high-quality curriculum design and professional development. She draws on assessment insight and common misconceptions to help teachers secure strong student understanding.
She is a former Head of Chemistry and Sixth Form Tutor at Ilkley Grammar School, with extensive Key Stage 4 and 5 experience, and an AQA examiner, giving her valuable insight into assessment standards and exam requirements.
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
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