National Science Olympiad (NSO) Workbooks are designed to familiarize students with the type of questions coming in Olympiad exams. The Workbook contains chapter-wise multiple choice question bank followed by Achievers Section (Hots) & logical Reasoning followed by Hints and explanation in the end of the book. The NSO Olympiad workbook also contains latest 2019 Olympiad exam paper with answer key to give recent NSO Olympiad exam understanding. It gives complete question practice and quick recap with self-analysis for great performance in the Olympiads. Content: br>Chapter 1: Plants br>Chapter 2: animals br>Chapter 3: Human body br>Chapter 4: food br>Chapter 5: housing and Clothing br>Chapter 6: family and festivals br>Chapter 7: good habits and safety rules br>Chapter 8: transport and Communication br>Chapter 9: air, Water and rocks br>Chapter 10: Earth and universe logical Reasoning br>SOF National Science Olympiad - 2019 hints & explanations.