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 (MCQs) 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 2020 Olympiad exam paper with hint answers to give recent NSO Olympiad exam understanding. A bubble (OMR) sheet is also given with exercises, so that students can practice Marking answers. It gives complete syllabus question practice and quick recap with self-analysis for great performance in the Olympiads. Table of content: br>Chapter 1: Chemical reactions and equations br>Chapter 2: Acids, Bases and Salts br>Chapter 3: metals and non-metals br>Chapter 4: carbon and its Compounds br>Chapter 5: Periodic Classification of Elements br>Chapter 6: Life processes br>Chapter 7: Reproduction in Organisms br>Chapter 8: Heredity and evolution br>Chapter 9: Light-Reflection and Refraction br>Chapter 10: Human eye and colourful world br>Chapter 11: electricity br>Chapter 12: magnetic Effects of electric Current br>Chapter 13: sources of Energy br>Chapter 14: Our environment and its management logical Reasoning br>SOF National Science Olympiad - 2020 hints & explanations.