English National Curriculum - Science
Mission Objectives
Describe metallic bonding
Describe and explain the physical properties of metals
Explain why alloys are harder than pure metals
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Words and meanings to learn
metallic bonding
the strong attraction between positive metal ions and a sea of delocalised electrons
delocalised
electrons that are not fixed to one atom and are free to move throughout a structure, such as in metals
electrons
negatively charged subatomic particles found in energy levels (shells) around the nucleus of an atom
alloy
a mixture of a metal with one or more other elements, often other metals
ions
atoms or molecules that have gained or lost electrons, giving them a positive or negative 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.
Shape memory alloys - if possible
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