Excel Essential Skills Science Revision Workboo k Year 9 is a revised edition, with topics covering the Ye ar 9 AUSTRALIAN CURRICULUM SCIENCE COURSE. This bo ok will allow students to revise the course in a user-friendly way, impr ove their understanding of Science and help them excel in their tests, h alf-yearly exam and yearly exam. In this book you will find: Easy-to-understand revision notes and diagrams for al l topics A wide variety of exercises to test scientific skills /li> Revision questions to reinforce knowledge A glossary e xplaining important terms in each chapter A detailed answer sec tion CHAPTERS: Introduction STRAND: Biological Sciences Chapter 1: Food and livi ng things Chapter 2: Sensing the world around you Chapter 3: Animal reproduction Chapter 4: Infectious diseases Test A STRAND: Chemical Sciences Chapt er 5: Chemical reactions STRAND: Earth and Space Sciences Ch apter 6: The universe Chapter 7: Human impact on the biospher e STRAND: Physical Sciences Chapter 8: Wave motion Test B Answers