Examine how the fossils document the appearance, diversification, and extinction of many life forms.
This fascinating book describes the geological makeup and history of the Sahara Desert in North Africa. The biggest hot desert on Earth, it covers parts of twelve countries, more area than the entire United States! The Sahara has oases scattered widely and sand dunes that can reach as high as 600 feet (182m). Readers will learn about the people, plants, and animals such as camels, goats, and fennec foxes that inhabit this desert habitat. Special sections describe the desert's natural resources, such as oil and natural gas, and the unique problems facing this region.
This book explains the causes and effects of floods, and how people prepare for and survive floods. Reading Essentials in Science.
Politician Al Gore has lent both his voice and his political influence in the fight against global warming. His work and creative energy have earned him numerous forms of public recognition, most notably the 2007 Nobel Peace Prize.
Ed Begley, Jr. is a Hollywood actor, who inspires, entertains, and motivates a new generation of environmental activists, fans, and consumers with his all-encompassing green lifestyle. Whether he is promoting his own line of green products, lending his voice to further environmental awareness and action, or walking the walk of the life he touts in his own solar-powered home, the star of Living with Ed is constantly on the lookout for ways to live more green - and get others onboard in the process.
David Suzuki is a prominent environmental activist. Throughout his adult life, he has been the creative force behind numerous television shows on science and the environment. He has used his voice to advocate for the environment and to take to task political leaders whose action and inaction have been part of the problem behind the global warming crisis.
Rachel Carson was a marine writer, biologist, and ecologist whose work inspired millions to take seriously the danger that human activity poses to the environment. She both revealed the wonders of the natural world and exposed the sinister threat to that world posed by DDT and other pesticides.
The Hands on Science series provides students with background on key concepts in Science. Each title includes engaging hands on exercises that bring the concepts to life for kids. Real World Science: Soil, provides students with information on the importance of soil, how soil forms, properties of soil, soil loss, and conserving soil.
In this book, students see the scientific method at work in a real-world situation. Readers practice close reading as they look for clues that will lead to a deeper understanding of erosion, sinkholes, and Earth's structure. The scientific method pushes students to apply critical thinking as they learn new methods of exploration and build on concepts they may already know. Additional tools, including a glossary and index, help students learn new vocabulary and locate information.
In this book, students see the scientific method at work in a real-world situation. Readers practice close reading as they look for clues that will lead to a deeper understanding of food, health, and the transfer of energy. The scientific method pushes students to apply critical thinking as they learn new methods of exploration and build on concepts they may already know. Additional tools, including a glossary and index, help students learn new vocabulary and locate information.
In this book, students see the NextGen Science process at work in a real-world situation. Readers practice close reading as they look for clues that will lead to a deeper understanding of compost and how it works. The NextGen Science process pushes students to apply critical thinking as they learn new methods of exploration and build on concepts they may already know. Additional tools, including a glossary and index, help students learn new vocabulary and locate information.
Oil is one of our most important natural resources. The searches for new sources - and options for alternative sources - are outlined here.
For years, people have used water power to provide electricity. This study recaps that history and describes exciting new techniques.
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.
Readers will discover that the natural element carbon is found in all living things, including people. This fascinating book explains how the Earth's supply of carbon moves among Earth's oceans, atmosphere, ecosystem, and geosphere in a process called the carbon cycle. Accessible text and detailed images help explain such processes as photosynthesis, respiration, and decomposition. Feature boxes highlight examples of the ways in which human activity, such as burning fossil fuels, releases too much carbon dioxide into the air disrupting the balance of the carbon cycle. Readers are encouraged to find ways to take action and find solutions.
This exciting book describes the geological makeup and history of the Mojave Desert in the United States. Located in the states of California, Nevada, Utah, and Arizona, there are several national parks in the desert including Death Valley, the hottest place in North America. Readers will learn about the people, plants, and animals such as cougars, scorpions, and rattlesnakes that inhabit this desert habitat. The Mojave Desert is also a windy place where wind farms have been set up to generate electricity. Special sections describe the desert's natural resources, such as borax, silver, and gold, and the unique problems facing this region.
The history of human activity in the Rocky Mountain range is as colorful as its scenic natural wonders. It has been witness to the decimation of Native peoples, the westward expansion of European settlers, the frenzied activity of several gold rushes, and the blazing of transcontinental railways. This fascinating book describes the geological makeup and history of the Rocky Mountains, as well as the cultures and ways of life of the people in the United States and Canada who live in its shadow. Special sections also describe the plants and animals that thrive in this mountain habitat, as well as the unique problems facing this region.
This fascinating book describes the geological makeup and history of the Atacama Desert in Chile. One of the driest areas of the world - some parts never receive any rain - the desert's climate can be cold, sometimes producing snow and fog. Readers will be fascinated to learn that the Atacama's soil is so similar to soil samples from Mars that NASA goes to this desert to test its exploration instruments. NASA has also set up its Earth-Mars Cave Detection Program in the Atacama, too. Special sections also describe the desert's natural resources and unique problems facing this region, as well as the people, plants, and animals that inhabit this desert habitat.
The Ural Mountains form a natural boundary called the "Stone Belt" between Europe and Asia. Rich in mineral deposits, the Urals have long been a major source of industry for Russia. This fascinating book describes the geological makeup and history of the Ural mountain range, as well as the cultures and ways of life of the people in Russia and Kazakhstan who live in its shadow. Special sections also describe the plants and animals that thrive in this mountain habitat, as well as the unique problems facing this region.
This amazing book describes the geological makeup and history of the Great Victoria Desert in Australia. Used in modern times for mining and testing of atomic bombs, this vast, sandy area has been home to a number of indigenous peoples for thousands of years. Although there is little rain, the blooms with a variety of plants. Readers will learn about the Mamungari Conservation Park located in the Great Victoria Desert, which is known for a eucalyptus tree called Ooldea mallee with large, spectacular red, pink, or yellow flowers. Special sections also describe the desert's natural resources, as well as the unique problems facing this region such as the introduction of non-native species of animals.
Running almost the full length of South America on its western coast, the Andes is the longest continental mountain range in the world. This remote and harsh environment saw the rise and fall of one of the great ancient civilizations of the world, the Incas. This fascinating book describes the geological makeup and history of the Andes mountain range, and how it is intertwined with the cultures and ways of life of the people in South America who live in its shadow. Special sections also describe the plants and animals that thrive in this mountain habitat, as well as the unique problems facing this region.
Home of two of the world's highest peaks - Mount Everest and K2 - the Himalayas are both revered and feared by mountaineers around the world. This fascinating book describes the geological makeup and history of the Himalaya mountain range, and how it is intertwined with the cultures and ways of life of the people in South Asia who live in its shadow. Special sections also describe the plants and animals that thrive in this mountain habitat, as well as the unique problems facing this region.
