English National Curriculum - Science
Mission Objectives
Define collision theory and activation energy
Describe how collisions cause reactions
Explain how activation energy affects the rate of reaction
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Words and meanings to learn
rate
the speed at which a reaction occurs
frequency
how often particles collide in a given time
collision theory
a theory stating that chemical reactions only occur when particles collide with enough energy and the correct orientation
activation energy
the minimum amount of energy required for a chemical reaction to occur
successful collision
when two or more particles crash into each other with enough energy to react
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.
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