AQA Trilogy GCSE Science Science
Mission Objectives
Define what an ion is
Describe what an isotope is
Explain why the relative atomic mass of some elements is not a whole number
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Words and meanings to learn
isotope
atoms of the same element that have the same number of protons but different numbers of neutrons
neutral
having no overall electrical charge
ion
an atom that has lost or gained one or more electrons, giving it a positive or negative charge
neutrons
subatomic particles found in the nucleus of an atom that have no electrical charge (they are neutral)
charge
a property of a particle that causes it to experience a force in an electric field
Samantha is a dedicated and accomplished science educator with over 15 years of leadership experience in the field, coupled with a strong background in scientific analysis. She has a proven track record of strategically managing educational departments, driving operational efficiencies, and nurturing collaborative relationships with stakeholders.
Samantha previously served as the Head of Chemistry and Sixth Form Tutor, Ilkley Grammar School, Ilkley with extensive Key Stage 4 and 5 teaching experience and leadership. In addition to her teaching and leadership roles, she is also an examiner for AQA, providing her with valuable insight into assessment standards and exam specifications.
In her spare time, Samantha enjoys playing the accordion with her local orchestra and has recently taken up cricket, where she's enthusiastically honing her skills both on and off the pitch!
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