Emerald Ash Borers have shiny green bodies and an appetite for ash trees. This native Asian insect hitchhiked to North America and has killed millions of ash trees. Learn more about the emerald ash borer and what is being done to try to stop its spread.
Zebra Mussels are known for their striped shells and clingy habits. These natives of Europe and Asia traveled to North America in by ship. Learn more about why the zebra mussel poses a threat to native animals and the health of North American waterways.
There are many opportunities for people to make a difference, such as delivering meals to the elderly or volunteering with United Way or the Red Cross. This book encourages people to help out where they can.
The Florida panther once roamed as far west as Louisiana and as far north as Tennessee. Today, these cats are found in just four counties in southern Florida. How did the Florida panther become one of the most endangered animals in the world? Read this book to find out how hunting and other human activities brought the Florida panther to the brink of extinction. Learn what is being done to help it get on the road to recovery.
The grizzly bear once roamed much of western North America. In the early 1800s, as many as 50,000 grizzly bears lived in the West. As settlers pushed westward, the bears lost much of their habitat. Fewer than 1,000 grizzlies remained in the lower 48 U.S. states when the bear was listed as endangered. Read this book to learn how grizzly bears came close to extinction and find out what is being done to increase their numbers and insure their survival.
Honeybees are known for their familiar buzzing and honey production. Learn how an experiment meant to increase honey production created aggressive Africanized honeybees that have taken over territory and caused big problems for beekeepers, farmers, and anyone unlucky enough to disturb them.
The California condor is the largest bird in North America. Scientists have found condor fossils that are nearly 100,000 years old. As more people settled in the American west, however, condors lost much of their habitat to human development. By 1982, fewer than 25 California condors lived in the wild. Read this book to find out more about California condors, how they came close to extinction, and what people are doing do help make sure condors stay on the road to recovery.
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: Rocks and Minerals, provides background on rocks and minerals, what they are and how they form, how rocks change, and the uses of rocks and minerals.
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: Protecting Ecosystems, provides information on natural changes vs. changes brought about by people, wise use of ecosystems, and restoring damaged ecosystems.
The bald eagle is known to people around the world as a symbol of the United States. In the early 1800s, as many as 100,000 bald eagles lived in the United States. By the 1960s, the familiar bird of prey was nearly extinct. What happened? Read this book to find out how human activity brought the handsome eagle close to extinction. Discover how human efforts helped it fight back and once again become a familiar sight in North American skies.
People use money to pay for the things they want and need. But what exactly is money? Where does it come from? Are checks and credit cards money? Read this book to find the answers to these questions and learn more about money.
Taxes are collected to support federal, state, and local governments. Who decides how much tax each citizen pays? What does tax money pay for? Read this book to find the answers to these questions and to learn more about taxes and why citizens are required to pay them.
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: Earth's Biomes, includes information on tropic rain forests, deciduous forests, grasslands, deserts, taiga, and tundra.
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: A Changing Earth, provides information on how landforms change, how mountains form, what causes volcanoes and earthquakes, and the movement of continents.
While today most food is bought from a grocery store, many years ago food was grown and harvested on the family farm. This informative title examines different types of foods eaten and how they were produced from the olden days to the present.
This exciting title provides students with a comparative look between a modern-day classroom and a one-room schoolhouse from long ago. From slates to whiteboards, question boxes encourage students to compare and contrast how they learn today with how students learned long ago.
The way we communicate with others is continuously changing as technology evolves. From telephone operators to Skype, this book examines how and why communication has progressed since the early 19th century. Critical thinking is encouraged through spread-by-spread comparisons of mail to email and everything in between.
Once upon a time, doctors made house calls, fire trucks were pulled by horses, and the milkman delivered fresh milk right to peoples doors. In this innovative title, students will love learning about their favorite community helpers and how their jobs have evolved over time.
This interesting new book provides essential information with plenty of full-color images to help explain the basics of importing and exporting in a global economy. Aspects such as importing and exporting regulations are carefully and easily explained in this latest Crabtree title.
Insurance is all around usat home, at work, in the caracting as a safety net in our daily lives. Look inside What is Insurance? to learn all about this fascinating and essential part of modern living.
The business of borrowing is the cornerstone of an economy. How do Mortgages, Loans, and Credit Work? explains clearly the different kinds of financial borrowing and their uses.
This entertaining book follows the travels of Italian merchant and adventurer Marco Polo who traveled across Asia. Historical information and high-interest fact boxes are presented in a tabloid-news style that guides readers through major journeys, explorations, and discoveries. Topics include what led Polo to travel to China, the Silk Road, life in Central Asia, the Chinese empire, Polo's famous book, and his legacy.
This entertaining book follows the travels of Americans Meriwether Lewis and William Clark, explorers of the American West. Historical information and high-interest fact boxes are presented in an entertaining tabloid style that guides readers through a voyage of discovery. Topics include what led Lewis and Clark to become explorers, colonies in North America, The Corps of Discovery, and Sacagawea.
