English National Curriculum - Science
Mission Objectives
Calculate the numbers of protons, neutrons and electrons in an atom
Relate the size and scale of atoms to objects in the physical world
Describe the structure of atoms using the nuclear model
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Words and meanings to learn
radius
distance from the centre of a sphere to its outer edge
relative
refers to something considered in relation or in proportion to something else
mass
the measure of the amount of matter in an object
neutral charge
an object or particle that has no overall electric charge
subatomic
particles that are smaller than an atom
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.
Atomic and mass number - Handout
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