Science is a dynamic, constantly changing and evolving discipline. It is not simply a basket of facts, but a subject that is very active and needs to be learnt in this manner. Hence, this series is replete with investigations, discussions and thought-provoking questions. The series aims to build the spirit of inquisitiveness, which is a significant purpose of Science at this level. As scientific knowledge expands rapidly and new discoveries and inventions fill our lives, Revised Longman Active Science aims to prepare students to understand logic and reason and look for evidence and facts in their daily lives. Table of ContentsUnit 1: Plant Life1. PlantsUnit 2: Animal Life2. Animals in Their SurroundingsUnit 3: The Human Body and Our Needs3. The Skeletal and the Muscular Systems4. The Nervous System5. Good Health6. Safety and First AidUnit 4: Our Universe7. Air and Water8. The Moon9. Natural Disasters10. Changes in Our EnvironmentUnit 5: Materials and Matter11. Rocks and Minerals12. Soil 13. States of Matter14. Force, Energy and Simple MachinesTest Paper 1 Test Paper 2.
