AQA Trilogy GCSE Science 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 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!
Development of the atom - Handout
Rutherford scattering - Handout
Expert film
Mission assignment film