In this essential episode of GCSE Unlocked: History, Miss Sarah Blake explores the critical skill of source analysis for GCSE History students. Learn how to decode historical documents, photographs, and artifacts by understanding provenance, identifying bias, and reading between the lines. This comprehensive guide covers the five fundamental questions every historian must ask: who, when, why, audience, and purpose. Discover how to recognize different types of bias including national, class, and gender perspectives that shape historical sources. Miss Sarah demonstrates practical techniques using real examples, from World War Two propaganda posters to Victorian diary entries, showing how tone, language, and context reveal deeper meanings. The episode explains the crucial difference between reliability and utility in sources, helping students understand that biased sources can still provide valuable historical insights. Learn to identify 'silences' in the historical record - the missing voices and perspectives that are just as important as what's documented. Perfect for GCSE History students preparing for source-based exam questions, this episode provides structured approaches to analysis and practical tips for exam success. Essential listening for understanding how historical sources work as windows into past attitudes, beliefs, and experiences rather than simple factual records.