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Topic plan · IGCSE Physics 0625 · 5.1

The nuclear model of the atom

Inside the atom: protons, neutrons, isotopes, radioactivity, and the half-life calculations that show up reliably in every paper.

Open the topic lab Question bank Notes PDF
Unit at a glance

5 lessons, 225 minutes of teaching

Lessons
5, each planned for 45 minutes
Worksheets
5 with answer keys
Quiz questions
17 multiple-choice, assignable in the app
Lab
The nuclear atom
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
5.1.1Atomic structure
If an atom were the size of a stadium, its nucleus would be a pea on the centre spot.		Jigsaw6 Q, 13 marks2 MCQtab 1
5.1.1The alpha-scattering experiment
Fire a stream of alpha particles at a gold film so thin it is almost transparent.		Corners6 Q, 12 marks5 MCQtab 4
5.1.2Protons, neutrons and nuclide notation
Two small numbers beside an element symbol tell you everything about its nucleus: how many protons it has, and how many particles in total.		Frayer Model6 Q, 14 marks3 MCQtab 2
5.1.2Isotopes
Carbon is carbon whether its nucleus carries six neutrons or eight.		Connect-Extend-Challenge6 Q, 12 marks2 MCQtab 3
5.1.2Nuclear fission and fusion
Two opposite tricks unlock the energy of the nucleus.		Anticipation / Reaction Guide6 Q, 14 marks5 MCQtab 5

Each pack holds the plan, worksheet and quiz for its lesson. Teach the rows in order; the lab tabs match the student lessons.

Also for this topic

Topic resources

Topic labFull-screen simulation Question bank17 questions across the topic Revision notesOne page per lesson Notes PDFPrintable topic notes Concept mapThe topic on one sheet Student syllabus pageNuclear physics Practical trainerGraph trainer Practical trainerResults tables Practical trainerAccuracy and evaluation Practical trainerPlanning an experiment Practical trainerPaper 6 set-up builders Practical trainerPaper 5 workout: stretching a spring