This colorful book describes the geological makeup and history of the Kalahari Desert in Africa. Covering most of Botswana, as well as portions of Namibia and South Africa, the Kalahari is not a true desert because it receives more than ten inches (250 mm) of rain each year. But the rain drains and evaporates quickly leaving no water on the surface of the red sand. Readers will learn about the variety of habitats in this vast desert system that support many different kinds of plants and animals such as springboks, giraffes, elephants, and zebras. Special sections also describe the Kalahari's natural resources, indigenous people, and the unique problems facing this region.
This intriguing book describes the geological makeup and history of the Gobi Desert in Mongolia and China. Temperatures can get very cold and frost and snow are not unusual. Readers will learn about the variety of habitats in this vast desert system that support many different kinds of plants and animals such as camels, snow leopards, and bears. The Gobi Desert is also where the first dinosaur egg fossils were found. Special sections describe the desert's natural resources, such as copper and gold, and the unique problems facing this region such as the desert's alarming rate of desertification.
Carefully constructed text and detailed photographs help readers identify the properties of gases. Readers will discover different kinds of gases and their practical, everyday uses.
This innovative title supports both math and science standards. Readers learn to identify different tools used to measure matter, such as balances, rulers, and thermometers. Easy to follow text helps readers gain hands-on experience measuring, collecting and recording data, and graphing their results.
Thailand's culture is a blending of the Buddhist religion and ancient traditions passed down through centuries. This interesting book describes how influences from surrounding countries such as India, China, Cambodia, and others in southeast Asia have helped to develop many of the colorful festivals celebrated today. Young readers will also learn how the Thai people celebrate family occasions.
Australia's culture is an interesting mix of ancient traditions passed down by the native peoples, as well as the traditions and culture of England, where most of its immigrant population came from. This interesting book describes how British influence and the traditions, beliefs, and rituals of indigenous peoples have developed into many of the lively and colorful festivals celebrated today. Young readers will also learn how the Australian people celebrate family occasions.
Greek culture has influenced many other cultures around the globe for thousands of years. Many of the cultural traditions celebrated in Greece today have been passed down through the centuries by the people of this ancient civilization. This intriguing book describes how the traditions, beliefs, and rituals of people across the country are observed in the many different festivals celebrated today. Young readers will also learn how the Greek people celebrate family occasions.
What began as a day to celebrate the birthday of George Washington, the first president of the United States of America, has grown to include every other president to serve as leader of the country. Learn all about Presidents' Day, from its earliest beginnings to how Americans celebrate this occasion today. Children will love this easy-to-understand introduction of this important national holiday.
Inspire readers to get wired for knowledge! This informative new title introduces the scientific principles of electricity. Full-color photographs, accessible text, and relatable, real-life examples explain how electricity is created, stored, and moved. Readers learn that electricity can occur naturally or can be produced by batteries or machines. Hands-on activities encourage readers to experience science in a meaningful way.
Sally Ride soared into outer space on the Space Shuttle Challenger in 1983, the youngest astronaut and the first U.S. woman in space. Just 32 years old that year, this California girl was already an accomplished astrophysicist when NASA chose her. Since then, she has written several books introducing young readers to the subject of space exploration and encouraging them to study the sciences.
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.
Culture gives humans a sense of identity. This title examines how cultures around the world mix and change in response to migration and settlement. This fascinating book examines examples from history including: the slave trade and the impact of African culture on North America and then the world; the forcing of Native Americans to adopt European culture; and the cultural interchange between the British Empire and India.
This intriguing book explores the reasons why people migrate: pushesinvoluntary migrationsand pullsvoluntary migrations. Historical migrations examined include: the slave trade; the relocation of Native Americans; migrations due to famine in Africa; migrations linked to the wars in Afghanistan and Iraq; the Irish potato famine; the migrations of Jews around the world; and the Great Migration of African Americans from the south to the north.
Sonia Sotomayor became a household name when President Barack Obama nominated her to the United States Supreme Court in 2009. Her confirmation made her the country's first Hispanic Associate Justice of the Supreme Court. But even before that, Sonia was an inspiration to others. Sonia Sotomayor has built a life as a jurist, activist, and mother, committed to the rights and advancement of people of all backgrounds and ethnicities.
The executive branch of the United States government is responsible for putting laws into action. This book carefully explains the workings of the executive branch, from its most visible figure, the President, through to the vice president, cabinet, and executive departments and agencies. Key roles such as the Secretary of State, Secretary of Defense, and Attorney General are profiled. A comparison to other executive powers in state and local governments, as well as other countries, is also included.
This intriguing book shows how this group's unusal members are generally classified according to an absence of a feature, such as the lack of complicated cell structure. Learn about such exotic organisms as algae, amoebae, and slime moldsall of them protists. Case histories examine the importance of plankton to the marine food chains and the role of protists in various diseases.
Irena Sendler was born into a Catholic family in Poland in 1910. Throughout the German occupation in World War II, Irena worked tirelessly to help save Polands Jews from the Nazi horror. Irena saved at least 2,500 Jewish children from certain death during the Holocaust. By the time of her death in 2008, Irena had been honored by the governments of Poland and Israel, Pope John Paul II, and many of those she had rescued.
Examples are used to illustrate how many laws began as grass-roots initiatives, and how much a law can change from the time it is first suggested to the time it is approved.
Emphasis is placed on how all levels must work together to succeed and examples are presented demonstrating how all levels of government contribute to the lives of every citizen.
The legislative branch of the United States government represents the people and makes the laws which they live by. This book introduces readers to the House of Representatives and Senate, and the main players in both. Whips, committees, and filibusters are also discussed. A comparison to other legislative bodies in state and local governments, as well as in other countries, is also included.
The judicial branch of government consists of the nations courts. This title explores the role of the United States Supreme Court and its role in interpreting the U.S. Constitution, as well as the role of Federal Courts. Justices and judges, and how they are selected for their jobs is also provided. A comparison to other judicial bodies in state governments, as well as in other countries, is also included.
This entertaining and insightful book will show young readers about the chemical compounds that make up the world around them. Colorful illustrations encourage interest in this vital basic science, giving readers knowledge of the periodic table and the importance of chemical compounds in their lives.
This book provides essential information on all aspects of the election process. How is a government elected? is packed with plenty of full-color images to help deliver a fundamental message: that the right to vote is one of the cornerstones of a free and democratic society.
Almost everything around us is a combination of different things. These are mixtures and solutions. Seawater, for example, is a solution of salt and water. The engaging text and vivid illustrations in this book will help readers understand how mixtures and solutions form, and how they apply to everyday life.
This book gives young readers a better understanding of the different states of matter. Through colorful photographs and lively discussions of familiar materials, readers will be drawn in to learn about matters many forms.