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Common to all matter and its smallest and most fundamental unit, the atom determines the properties of a substance and how it responds to other materials and stimuli. Dividing the atom further reveals several smaller particles whose activity forms the heart of nuclear physics. Readers will discover the structure of the atom as well as the ways in which its electrons, protons, and neutrons facilitate both radioactivity and nuclear reactions, both of which have been crucial to technological advancements since the 20th century. -
Discusses energy sources, including their history, nuclear power, renewable energy resources, the effects of the search for resources on the world, and possible future developments. -
Photographs and text depict information about the largest drilling rig, including its location, how it was built, and the way it is kept running. -
Presents information about the endocrine system, including what it is, conditions and diseases associated with it, how endocrine problems are diagnosed and treated, how to maintain a healthy endocrine system, and ways of coping with endocrine problems. -
This book dramatically explains the constant and epic battle between predator and prey, and the ways each adapts to its position on the food chain. There is an engaging section devoted to our place in the food chain, the environmental responsibilities of being at the top, and the consequences of over-fishing or over-harvesting. -
Readers will learn about the history of people?s interaction with electric energy and how it works to power our world. -
Presents an introduction to genetics, discussing genes, chromosomes, probability, DNA, mutation, and the Human Genome Project. -
Disscusses in simple terms, the Itaipu dam, including where it is located, how it was built, and how it provides electricity. -
Describes the physical characteristics, behavior, life cycle, and natural environment of the honeybee -
Describes the physical characteristics and behavior of the ladybug, from the egg to the adult beetle. -
Presents an introduction to the life cycle of a rose from its beginnings as seed to its maturity as a flower, along with information on the role of pollination in the creation of new seeds. -
Powerful and determined, the sea turtle lives a fascinating life. Its life journey begins when its mother travels thousands of miles to lay her eggs on a beach. Then it travels back to the ocean as a hatchling to start a life of its own. Readers will explore all the stages of a sea turtles life and learn how people can help them survive. Vivid photographs show these wonderful reptiles in great detail. -
Learn all about apples, from seed to picking. -
Learn how big oak trees grow from small acorns. -
Describes the eight phases of the moon, from new moon to waning crescent; the moon's size; the length of its days; its rotation, gravity, surface, and temperature; and eclipses. -
SIN DESCRIPCION -
Introduces plant reproduction, discussing how plants grow and develop and what influences the growth, and describes their role in ecosystems. -
Presents a history of ancient American civilizations prior to the arrival of Columbus, discussing history, agriculture, religion, architecture, art, and politics. -
Introduces waste and how it is handled throughout the world; explains how some materials are recycled and reused; and discusses why reducing waste is an important factor in saving the environment. -
Presents an introduction to rivers and streams, including the effects they have had on human settlements and trade, and the physical geography of the earth; also examines the major rivers in the world, including the Nile, Amazon, and Ganges. -
Describes the design, construction, and operation of famous skyscrapers. -
This book looks at the business of sports, from ticket sales to merchandising to televised broadcasting. -
Readers learn about real-life case studies involving stem cell research, the sources of stem cells, ethical issues surrounding the use of stem cells, and stem cells' promising possibilities for medical use in bone marrow transplants, treating leukemia, and rebuilding injured organs. Legal issues and rulings around the world are also examined. The volume includes sidebars that provide expert viewpoints on the stem cell research debate, as well as fact boxes and summary boxes that highlight the key points in each chapter. -
This book will give students an understanding of the history of flight right up to the technology and scientific discoveries that allow us to fly planes as large as todays super jumbo jets. How are airplanes designed so they can operate safely? What is the future of flight? All of these questions and more will be answered as students take a look at super jumbo jets, inside and out! -
Discusses supersonic jets, including how they are built, different types, and what they are used for. -
Photographs and text reveal information about the longest bridge in the world, including its location, how it was built, and the safety issues involved in its upkeep. -
Presents a general history of the cultural and social aspects of the ancient Maya and Aztec empires up to the arrival of Spanish conquerors, in a book that also provides readers with instructions for creating such related craft projects as a feather fan, a mosaic mask, a codex, and a miniature pyramid temple. -
Classic / British English Are you brave enough to read four of Poe's famous horror stories? Edgar Allan Poe wrote strange stories about terrible people and evil crimes. Don't read this book late at night! -
James and Chantal are enjoying an evening of magic at the Blue Cat Club. Merlin the magician is clever and his tricks are exciting – but are they dangerous too? -
Calculating and manipulating the unknown has been the enterprise of the field of algebra since its earliest inception in Babylon and ancient Egypt. Trigonometry draws on principles presented in algebra and uses angle measurements to elaborate on geometric calculations. Essential to further mathematical and scientific study, both algebra and trigonometry provide crucial tools in managing variables and understanding the relationships between them. This volume presents the fundamentals of these fascinating areas of mathematics while chronicling their respective histories.
