Lesson
01Charge and Circuit Diagrams
Introduce charge, atomic structure, charging, and the basic circuit symbols used in the topic.
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Year 9
Resistance of a Wire
Introduce charge and circuit diagrams, use basic circuit equations, compare models of current flow, and investigate resistance in a wire.
Part of Year 9 Physics Foundations.
Topic Overview
What students will cover
This topic provides a first structured route into circuits. Students should learn the language of charge, current, voltage, and resistance while also comparing different ways of modelling circuit behaviour.
The practical thread is important here: measuring resistance and changing wire length should feel like an investigation, not just a calculation exercise.
Syllabus Syllabus coverage
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Syllabus coverage
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Lessons
Lesson sequence
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Lesson
02Circuit Calculations
Use the basic definitions and equations for charge, current, and voltage.
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Lesson
03Circuit Models and Resistance
Compare circuit models, evaluate them, and determine the resistance of a component experimentally.
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Lesson
04Resistance of a Wire
Investigate experimentally how the length of a wire affects its resistance.
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Lesson
05Test 5 (EOY Test)
End-of-year assessment checkpoint for Year 9.