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Topic plan · IGCSE Chemistry 0620 · Topic 5

Chemical energetics

Where the heat comes from. Exothermic and endothermic reactions, reaction pathway diagrams, activation energy, and bond energies.

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

3 lessons, 135 minutes of teaching

Lessons
3, each planned for 45 minutes
Worksheets
3 with answer keys
Quiz questions
30 multiple-choice, assignable in the app
Lab
Chemical energetics lab
Scheme of work

The lessons in order

RefLesson packStructureWorksheetQuizLab tab
5.1Exothermic and endothermic reactions
Every chemical reaction moves thermal energy.		Quiz-Quiz-Trade6 Q, 15 marks10 MCQtab 2
5.1Reaction pathway diagrams
A reaction pathway diagram shows the energy of the reacting chemicals as the reaction happens.		Jigsaw6 Q, 14 marks10 MCQtab 1
5.1Bond breaking, bond making and bond energies
Every reaction pulls some bonds apart and puts new ones together.		Rally Coach6 Q, 18 marks10 MCQtab 3

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 labChemical energetics lab Question bank30 questions across the topic Revision notesOne page per lesson Notes PDFPrintable topic notes Student syllabus pageChemical energetics Practical trainerTitration trainer Practical trainerQualitative analysis Practical trainerRates and energetics Practical trainerPaper 5 workout: temperature change of a reaction Practical trainerPaper 5 workout: titration with two acids Practical trainerPaper 5 workout: rate of reaction by gas collection