Asian carp have big appetites and can leap out of the water when startled. They were brought to the United States from their native Asian habitats to control algae growth on fish farms. Find out what happened when some of these big, jumping fish escaped and made their way up the Mississippi River.
American mink have beautiful, thick, glossy fur. At one time, many were exported to other countries where farmers raised them for their fur. Find out what happened to native species when fur went out of fashion and many minks were released into the wild.
Cane toads are known for their warty skin and poison glands. They were brought to Australia and other places to help control pests that were harming crops. Learn more about how the cane toad has gone from being farmer's friend to an unwanted pest.
Gray squirrels are known for their bushy tails and hoarding habits. These North American natives were imported to parts of Europe and South Africa as pets, but quickly went from pets to unwanted pests. Learn more about the problems caused by invasive gray squirrels and what can be done to solve them.
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 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.
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.
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.
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.
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.
Examines the basic concepts of steroids through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas.
Do you have time, talent, or money that you can use to help others in need? Have you ever wondered which charities you should support or how much you can afford to give? Read this book to find out more about how your math skills can help you give back to your community.
Examines the basic concepts of drug abuse through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas.
Examines the basic concepts of obesity through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas.
Examines the basic concepts of junk food through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas.
Examines the basic concepts of smoking through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas.
Examines the basic concepts of bulimia through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas.
Examines the basic concepts of anorexia through the lens of the latest scientific studies and finding. Provides tools for evaluating conflicting and ever changing ideas.
Find out who made the first teddy bear, and what fossil fuels have to do with toys. Learn about toys and how they are manufactured.
