ÌÇÐÄVlog

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ÌÇÐÄVlog

Last updated

4 November 2026

pdf, 100.01 KB
pdf, 100.01 KB
pptx, 385.4 KB
pptx, 385.4 KB
docx, 13.21 KB
docx, 13.21 KB

AQA A-level Physics Option C lesson on four-stroke engines and indicator diagrams. 16 editable slides, 25-mark worksheet and mark scheme.
What’s in the PowerPoint
• A p–V starter, with answers in the speaker notes
• The four strokes of a petrol engine, and how diesel engines differ
• Theoretical Otto and Diesel cycles, with labelled diagrams
• Real indicator diagrams and why they differ from theory
• Indicated, brake and friction power, with a worked example
• A common mistakes slide
• Six check questions with answers, and an exit ticket
• Teacher notes in the speaker notes throughout
What’s in the worksheet (25 marks)
• Describing the strokes and comparing petrol and diesel
• Why real indicator diagrams differ, plus a diesel sketch
• Indicated, brake and friction power calculations
• Explaining why an engine does net work
• A full mark scheme with mark points, on separate pages
Good for
First teaching, revision, homework, cover lessons or independent study. Both files are fully editable in PowerPoint and Word.

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