⚙️ Master Efficiency Calculations for GCSE Physics

This comprehensive worksheet helps students understand and calculate efficiency using formulas and Sankey diagrams. Essential for GCSE Physics exam success.

📐 What's Included:

• Clear explanations of efficiency concepts
• Practice calculating efficiency as percentages and decimals
• Sankey diagram interpretation and drawing
• Real-world device efficiency questions
• Complete mark scheme with detailed solutions

🎯 Key Skills Developed:

• Calculating efficiency using multiple formulas
• Converting between percentage and decimal efficiency
• Understanding useful vs wasted energy
• Interpreting and drawing Sankey diagrams
• Applying efficiency to real devices
• Showing clear working for exam marks

✨ Perfect For:

• Classwork and homework
• Exam revision and practice
• Foundation and Higher Tier students
• Understanding energy transfer
• Instant digital download

💰 Bundle & Save! Get this as part of our Ultimate GCSE Physics Calculations Bundle for complete coverage.

Created by experienced physics teachers for exam success.