English National Curriculum - Science
Mission Objectives
Describe why the new evidence from the scattering experiment led to a change in the atomic model
Describe how and why the atomic model has changed over time
Evaluate scientific models critically, considering their strengths and weaknesses
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Words and meanings to learn
sphere
a 3D object shaped like a ball
dense
having parts that are closely packed together
nucleus
the central core of an atom made up of protons and neutrons
alpha particle
a type of ionising radiation consisting of two protons and two neutrons
charge
a property of matter that determines how it interacts with electric fields; particles can have a positive, negative or neutral charge
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.
Development of the atom - Handout
Rutherford scattering - Handout
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Mission assignment film
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