This fascinating book explains how plants and animals become fossils, how they are extracted from excavation sites, and how paleontologists and geologists piece together Earth's history by studying these ancient clues.
Heat, pressure and stress can also change some igneous or sedimentary rocks into other kinds of rocks. This fact-filled book describes the process that turns limestone into marble, shale into slate, and granite into gneiss. Metamorphic rocks are often used as materials for floors, roofs, and counter tops because of their beauty.
Igneous rock has a dramatic beginningit requires red-hot volcanic activity. This fact-filled book explains how granite, lava, basalt, silica, quartz and feldspar are formed after hot, molten rock cools. Readers will also learn about volcanoes and tectonic plates, the minerals that make up igneous rocks, and the crystallization of rock material.
People first domesticated wild animals and plants more than 10,000 years ago. The first peoples of North America quickly learned to farm using hand- and animal-power. As technology developed, farming machines were invented. These helped develop farming in many regions of North America previously too difficult to cultivate. From 1840 to 1880, Wisconsin USA became the breadbasket of America, and crop- and livestock-farming developed quickly. The village of Monticello is famous for its dairy farming and cheese. The community is still largely based on this. It has a population of about 1,200 people and is the focus of this book about life in a farming community.
Why do people migrate to and settle in the places they do? Fascinating examples from history help explain the determining factors of migration. Readers will fascinated to read about the settling the Nile in ancient Egypt; the Industrial Revolution in Britain; the opening up of the American West; the Gold Rush; and the colonization of Australia.
This informative book focuses on temperate forest food chains. It looks at the plants, herbivores, carnivores, and omnivores of this habitat and how they get food energy during the various seasons of the year.
Children will enjoy exploring the vast prairies of North America in Prairie Food Chains. Young readers will learn about the different types of prairie habitats, how animals get the nutrients they need, and the fascinating adaptation some prairie animals undergo to survive in their habitats.
The tundra is one of the most extreme habitats on Earth, and yet hundreds of species of plants and animals thrive there. In Tundra Food Chains, fascinating photographs and clear text teach children about how the plants and animals of the tundra have adapted to survive, and the many ways they manage to find food in this stark habitat.
Children will be fascinated by the variety of plants and animals found in Australian Outback Food Chains. Through spectacular photographs, illustrations, and text, this book examines the Outback habitat and the adaptations that its resident wildlife have made over time to live in this harsh environment. Topics covered in this book include how plants make food dangers to Outback food chains herbivores, carnivores, and omnivores
A wide variety of plants and animals live, visit, and feed in wetlands, but wetlands are fast disappearing. This informative book describes life in a specific wetlandthe marsh. Beautiful photographs, illustrations, and text explain which plants and animals live in this habitat and how they interact with one another. Young readers will learn about wetland herbivores, carnivores, and omnivores how wetland animals survive the changing seasons the importance of wetlands to migrating animals dangers to wetlands
Coral Reef Food Chains takes readers on an exciting underwater journey to one of the worlds most fascinating habitats. Stunning photographs and detailed illustrations help show the relationships between the plants, herbivores, carnivores, and omnivores that live in and around this unique and fragile habitat.
Young readers will be astounded by the tiny organisms that live in soil, their ecological roles, and how they adapt to living there. Children will learn the value of even the smallest bacteria and be amazed by the impact that soil degradation has on an entire ecosystem.
Soil Erosion and How to Prvent It helps young readers see the real impact of erosion on all life. This intriguing book describes the processes of weathering, erosion, and deposition, the impact of erosion on plants and animals, and kid-friendly steps to preventing erosion.
Children will enjoy finding out about different types of soils from different climates, what animals and plants live in these different soils, and just how valuable soil is to human life.
How Is Soil Made introduces children to the concepts of organic and inorganic parts of soil, the nutrient cycles of plants, and decomposition. Complex processes such as weathering, erosion, and deposition are also made easy to understand.
The need for safe sources of renewable energy has sent scientists underground to tap the natural heat produced by the Earth. Geothermal Energy: Using Earths Furnace describes the three different ways electricity is produced from geothermal energy. Young readers will discover how this clean, safe energy is currently being used in twenty countries including the United States, the largest producer of geothermal energy.
In light of 2008's devastating cyclone in Myanmar (Burma) and hurricanes Fay, Gustav, and Ike in the U.S., this informative book has been newly revised. This book features the science behind these massive tropical storms and how societies around the world cope with their ferocity.
This informative book has been newly revised in light of the devastating tornadoes that have swept across the United States over the last few years. 2008 was particularly fierce with clusters of tornadoes forming every month in the first half of the year.
In light of the devastating floods in 2010 in Pakistan, Brazil, the United States, and China, this informative book has been newly revised. Floods result from heavy rains and high winds that cause an overflow in water sources such as lakes, rivers, and oceans. Discover how monsoons differ from other storms and how people cope with their devastation.
This informative book has been newly revised in light of the massive eruption in Iceland in March 2010. The skies over a large part of the world were filled with volcanic ash, affecting weather and agriculture and disrupting travel for millions of people for several weeks.
Climate is the average weather in an area over many years. This timely book looks at weather patterns around the world, the factors influencing climate, such as ocean currents and jet streams, and how climate is changing today. Children will learn how people and other living things in different places on Earth are being affected by climate change and what we can do to help reduce the damage.
Map Parts will bring a full comprehension of maps and encourage interest in maps.