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.
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.
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.
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.
Is the suspect a cold-blooded killer or suffering from a mental illness? This is the kind of tough question that a forensic psychologist must help answer. These specialists combine their knowledge of psychology and the law to come up with answers. Look inside to find out more about how forensic psychologists use their skills to serve the legal system.
During the 20th century, smallpox was responsible for 500 million deaths, yet by the end of the century the disease was eradicated. How did this amazing accomplishment happen? How was the smallpox and other vaccines developed? This book explores role innovation has played in the development of these powerful disease fighters.
When a medical emergency occurs, seconds often make the difference between life and death. Every day, people are saved as the results of improvements in diagnosis and care. Read this book to explore the many advancements that have occurred in emergency care and the role innovation played in their development.
There is a war raging that you may not be aware of, the fight to prevent the spread of diseases. Everyday health care professionals are focused on controlling the spread of disease. This book exposes students to the innovative tools and techniques healthcare professionals use to track, control, and combat the spread of dangerous diseases.
Learn about how nature has inspired technological innovations with this book on the similarities between an African plant and preserving vaccines. Integrating both historical and scientific perspectives, this book explains how a plant inspired the invention of a new way to preserve vaccines. Readers will make connections and examine the relationship between the two concepts. Sidebars, photographs, a glossary, and a concluding chapter on important people in the field add detail and depth to this informational text on biomimicry.
This book discusses the science behind oil spills and their effects. The chapters examine history's worst oil spills, explain how oil spills happen, and show how scientists are developing safer ways to collect and transport oil. Diagrams, charts, and photos provide opportunities to evaluate and understand the scientific concepts involved.
This title provides information on Coal as a source of energy. It highlights the positives and negatives of coal and discusses clean coal technology.
This book relays the factual details of the Dust Bowl through multiple accounts of the event. Readers learn details from the point of view of an Oklahoma farmer, a migrant farm worker, and a government journalist. This book offers opportunities to compare and contrast various narrative perspectives in the text while gathering and analyzing information about an historical event.
This book relays the factual details of the story of the San Francisco earthquake of 1906. The narrative provides multiple accounts of the event, and readers learn details through the point of view of a fireman fighting fires and rescuing others, a girl whose home is destroyed, and a resident of Chinatown. The text offers opportunities to compare and contrast various perspectives in the text while gathering and analyzing information about a historical event.