You've probably heard lots of things about energy. You may know that your body needs energy or that there's energy in sunlight. But what exactly is energy? Where does it come from and where does it go? How do plants, people, and machines use energy? Scientists have wondered about these things too. They conducted experiments to learn the answers to their questions. How do cells get energy from food? What is nuclear energy? How does a roller coaster...

"This book takes a fresh, unique approach to a common science topic. Through vivid photos and design elements along with engaging, investigative text, readers will learn all about magnetism and its uses in the real world."--

You've probably noticed that when water gets really cold, it freezes. And you've probably seen steam coming from a pot of boiling water. But do you know why that happens? Do you know how wood burns or what's inside a fire extinguisher? When scientists have questions like these, they conduct experiments to find the answers. Through countless experiments, scientists have learned about different states of matter: solids, liquids, and gases, and what...

An understanding of ecology is an important requirement of a wide range of academic areas, including biology, zoology and environmental science. This book is a study and revision guide for students following programmes of study in which ecology is an important component. It contains 600 multiple-choice questions (and answers) set at three levels-foundation, intermediate and advanced-and grouped into 10 major topic areas: The history and foundations...

This book provides a series of exercises of various types covering matters of hydrology and watershed management. The exercises include true/false questions, multiple choice questions, and numeric, graphical, and analytical exercises. The questions draw on the basic disciplines of hydrology and physics, with some stress placed on correct or appropriate units. The questions reflect the authors' many years of teaching watershed management at undergraduate...

An understanding of animal behaviour and welfare is an important requirement of a wide range of programmes of study including biology, zoology, animal welfare, animal behaviour, psychology and zoo biology. This book is intended as a study and revision guide for students following programmes of study in which animal behaviour and welfare are an important component. It contains 600 multiple-choice questions (and answers) set at three levels-foundation,...

Urban pests are common all over the world. These include cockroaches, flies, mosquitoes, bed bugs, ticks, fleas, ants, termites, rodents and others. These pests thrive in human structures, where there is food, warmth and places to hide. Urban pests are one of the leading causes of illnesses in humans due to allergies, bites, food contamination and phobias. They can also cause significant damage to property and structures. Knowledge and training in...

Providing well over 1,500 questions to test your knowledge of clinical farm animal medicine, the book has been produced in a convenient format so that it can be used at any time in any place. Each chapter starts with a brief introduction to the topic before providing relevant multiple-choice questions. Covering clinical veterinary medicine for common livestock species, this book includes questions about: - diseases of the reproductive, integumentary...

Providing well over 1,000 questions to test your knowledge of preventative farm animal medicine, the book has been produced in a convenient format so that it can be used at any time in any place. Each chapter starts with a brief introduction to the topic before providing relevant multiple-choice questions. Covering preventative veterinary medicine for common livestock species, the book includes questions on: - general concepts of preventative medicine; -...