Recent advances in harnessing energy from the wind, sun, and tides are explored. People are encouraged to seek resources beyond fossil fuels.
We currently rely on nonrenewable sources, such as oil, for most of our fuel. Scientists are working on new fuels from crops and other materials to help ease future dependence on nonrenewable resources.
This captivating title looks at extinction--from the dinosaurs, 65 million years ago, to the possible extinction of species in our world today.
What is a watershed? Why are watersheds important? What is it like to live where there is no clean, safe water supply? Read this book to find out more about the importance of watersheds and how you can help in the fight to keep Earth's freshwater sources clean and safe.
What causes pollution? How does pollution affect the environment? Why should we care about pollution? Read this book to find out more about the social, environmental, and economic issues related to pollution and what you can do about it.
Is human activity causing Earth's to heat up? Is global warming just a natural event? What are the possible effects of global warming? Read this book to learn more about the global warming debate and to start forming your own opinions.
Introduces readers to the cool career of wildlife photographer by giving a better understanding of this cool job.
What happens to the environment when a hurricane occurs? What are some of the causes of hurricanes? What can people do about the problems caused by hurricanes? How can you use your math skills to learn more about hurricanes? Read this book to find the answers to these questions and learn more about hurricanes..
What happens to the environment when a flood occurs? What are some of the causes of floods? What can people do about the problems caused by floods? How can you use your math skills to learn more about floods? Read this book to find the answers to these questions and learn more about floods.
What happens to the environment when a tornado occurs? What are some of the causes of tornadoes? What can people do to protect themselves from tornadoes? How can you use your math skills to learn more about tornadoes? Read this book to find the answers to these questions and learn more about tornadoes.
What happens to the environment when a tsunamis occurs? What are some of the causes of tsunamis? What can people do about the problems caused by tsunamis? How can you use your math skills to learn more about tsunamis? Read this book to find the answers to these questions and learn more about tsunamis..
What happens to the environment when a volcanic eruption occurs? What are some of the caused by volcanic activity? What can people do about the problems caused by volcanic eruptions? How can you use your math skills to learn more about volcanic eruptions? Read this book to find the answers to these questions and learn more about volcanic eruptions.
This book discusses the science behind earthquakes and their effects. The chapters examine notable earthquakes in history, explain why earthquakes occur, and show how scientists and engineers are working to understand earthquakes and build damage-resistant structures. Diagrams, charts, and photos provide opportunities to evaluate and understand the scientific concepts involved.
This book discusses the science behind oil spills and their effects. The chapters examine history's worst oil spills, explain how oil spills happen, and show how scientists are developing safer ways to collect and transport oil. Diagrams, charts, and photos provide opportunities to evaluate and understand the scientific concepts involved.
This title provides information on Coal as a source of energy. It highlights the positives and negatives of coal and discusses clean coal technology.
What happens to the environment when a earthquake occurs? What are some of the causes of earthquakes? What can people do about the problems caused by earthquakes? How can you use your math skills to learn more about earthquakes?Read this book to find the answers to these questions and learn more about earthquakes.
This book discusses the science behind volcanic eruptions. The chapters examine notable volcanic eruptions in history, explain why volcanoes erupt, and show how scientists are working to understand and predict eruptions. Diagrams, charts, and photos provide opportunities to evaluate and understand the scientific concepts involved.
This book relays the factual details of the Dust Bowl through multiple accounts of the event. Readers learn details from the point of view of an Oklahoma farmer, a migrant farm worker, and a government journalist. This book offers opportunities to compare and contrast various narrative perspectives in the text while gathering and analyzing information about an historical event.
This book relays the factual details of the story of the San Francisco earthquake of 1906. The narrative provides multiple accounts of the event, and readers learn details through the point of view of a fireman fighting fires and rescuing others, a girl whose home is destroyed, and a resident of Chinatown. The text offers opportunities to compare and contrast various perspectives in the text while gathering and analyzing information about a historical event.
When we think of wild animals, we don't immediately associate them with the cities we live in. But a closer look soon reveals that we share our urban environment with a great many untamed creatures. Heavily illustrated and full of entertaining and informative facts, City Critters examines how and why so many wild animals choose to live in places that, on first glance at least, seem contrary to their needs. How do those deer, raccoons, squirrels, skunks, coyotes, crows, gulls and geese-not to mention the alligators, eagles, otters and snakes-manage to survive in the big city? What special skills do city critters have that many of their wilderness cousins lack? Why have they developed these skills? And what are our responsibilities in ensuring that these animals can continue to share our city lives?
Warm illustrations convey the deep bond between an old man and his six cats while teaching the reader about the cycle of life.
From the earliest times humans have shaped and changed the landscape. Historical and modern-day examples in this interesting book show how natural habitats and wilderness areas are destroyed as people need more land for farming and to build towns and cities, and how increasing urbanization of populations is adding to the problem of carbon emissions that cause climate change.
This engaging title examines how Darwin developed his controversial theory of evolution, including his research methods and the data gathered during his extensive voyages. The book also explores the controversies that developed around the publication of Darwins theory of natural selection and how the debate continues today.
This fascinating new title examines the sequence of events that led to the formation of cell theory. In 1665, scientist Robert Hooke published Micrographia, the first significant work focused on miscroscopial observation. His groundbreaking work inspired scientists and led to the creation of this fundamental biological principle that shaped modern biology.
Who are we, really? We share traits with our parents, but our genetic makeup is unique. Each one of us is a one-and-only creation. Through colorful photos, diagrams, and text, you can learn about genetics. See how the simple pea plant taught us the rules of inheritance. Find out how our genetic code is unlocking the mystery of where we came from and our connections with all living things.
