🎯 Free Sample Topics

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Experience the full KHRevision+ revision experience with two complete topics — one from LGCSE Biology and one from IGCSE Physics. No account needed.

📚 Complete topic coverage ⚡ Interactive practice 🤖 Instant feedback 📱 Works on any device

🇱🇸 LGCSE Biology

Enzymes — Full Syllabus Topic

Learn the lock and key hypothesis, temperature and pH effects, digestive enzymes, and industrial applications. Includes an interactive enzyme simulator, match game, and 18 exam-style questions.

Illustrated notes with diagrams
18 exam-style questions (MCQ + structured)
Interactive enzyme activity simulator
Instant marking with model answers
Match game for digestive enzymes

🔬 Topics covered: Lock & Key · Active Site · Temperature & pH Effects · Digestive Enzymes · Industrial Uses

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🌍 IGCSE Physics

Nuclear Physics & Space — Full Topic

Master atomic structure, radioactive decay, half-life calculations, stellar life cycles, redshift, and the Big Bang. Includes 16 quick-fire MCQs and Paper 4 style extended questions.

Atomic structure & Rutherford scattering
Alpha, beta, gamma — properties & penetration
Decay equations & half-life calculations
Solar system, stars & Universe (redshift, CMBR)
16 quick-fire MCQs + Paper 4 questions

⚛️ Topics covered: Nuclear Structure · Radioactive Decay · Half-Life · Stars & Stellar Evolution · Big Bang

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