Centuries ago, explorers brought hogs to the Americas as a food source. Some of these boars made it into the wild, where their offspring have managed to survive ever since. Wild boars will eat almost anything from garbage, to crops, to other animals. They can also spread disease. Read this book to find out more about how wild boars cause problems around the world and what experts are doing to find solutions.
How the Giant African Snail destroyed field crops and flower gardens and spread diseases to people thousands of miles from their native Africa.
Termites can invade homes and cause a lot of damage. Termites that invade new countries can damage more than just homes. The Formosan subterranean termite was accidentally brought to the United States on infested ships. These invaders have disrupted ecosystems and caused billions of dollars in damage to buildings, crops, and trees. Look inside to learn more about these termite invaders and find out what experts are doing to fight back.
The Walking Catfish have upset the balance of the ecosystems and hurt local economies.
Fire ants are tiny, but they pack a powerful sting. Some kinds of fire ants were accidentally brought to North America from South America in cargo ships. Look inside to learn how these invasive fire ants have spread to many places around the world and why they are a threat to wildlife, human beings, and economies.
Bullfrogs are big eaters, consuming almost anything that fits in their mouths. Meals include birds, turtles, snakes, and even other frogs. At one time, bullfrogs lived only in North America and east of the Rocky Mountains. Today, the large frogs have invaded many parts of the world, causing problems for native wildlife. Look inside to discover how bullfrogs became an invasive species and what is being done to help stop their spread.
the Sea Lamprey have invades the Great Lakes where they have killed off native species and harmed the fishing industry. Find out hoe they arrived, the problems they cause and other places that are on the lookout for these animals.
How the Brown Tree Snake made themselves at home, disrupted the island's ecosystem, and created problems for its people and native animals.
This fascinating book explains to young children why the land on Earth has different shapes in different places. Amazing photographs and illustrations show examples of continents, mountains, valleys, plains, and caves, as well as the forests, animals, and water that may be found on each landform. Simple text also describes what volcanoes are and how lava flows can create mountains. The role that weather, such as rain and strong wind, plays in shaping sand dunes, mesas, buttes, and canyons is also described.
Environmental activists are concerned for the well being of the environment, including all people, plants, and animals. This wonderfully informative title shows how environmentalists work to preserve and improve the natural environment and how young environmentalists can become positive activists themselves. Readers will learn what actions they can take to make the world a better place to live in.
This book describes resources to younger readers, including capital resources and natural resources. Emphasis is placed on how most resources are of limited supply, so producers and consumers must make choices when things they want or need become scarce. An impressive array of full-color images enhances the reading experience.
Following the scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of the power of solar energy.
Following the scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of the property of water.
Following the scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of plants and plant life.
Following the scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of the property and characteristics of soil.
Following the scientific process, this titles provides instructions on how to conduct experiments that help students gain a better understanding of the planet earth.
Following the scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of the properties of magnetism.
Following the scientific process, this titles provides instructions on how to conduct experiments that help students gain a better understanding of ecosystems
Following scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of cause and effects of erosion.
Following the scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of cells.
Provides step-by-step instructions for performing experiments designed to answer such questions about the weather as what makes it rain, how do scientists measure air pressure, and how does temperature affect air movement.
Describes experiments that can be performed using solar energy in order to learn about its properties, including how different colors absorb sunlight, if it cleans dirty water, and whether it can cook food.
Describes experiments that can be performed with seeds in order to learn about their properties such as how water temperature affects seeds, the direction roots grow, and the effect of talk on plant growth.
Small, fuzzy, and slow, striped skunks make a big stink in the animal world. One single smelly spray can repel even the scariest predator from attacking! These black-and-white mammals are resilient enough to survive snakebites and bold enough to ransack a beehive. Beginning readers will love nosing their way through this book about North American striped skunks!
The wings of ruby-throated hummingbirds are incredible machines, beating nearly 53 times per second and strong enough to fly across the Gulf of Mexico in a single trip! Common in North America, these birds are a delight to observe as they zoom and hover in backyards and gardens. Learn more about ruby-throated hummingbirds in this brightly colored read!
