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.
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.
Discover the processes that form everything from the smallest pebbles to the highest mountains.
A taste of sunshine! Take a look at the fascinating ways the Sun is involved in food production.
This book explores how human activity affects the Earth, e.g. the effects of human activity on groundwater and surface water, habitat destruction, construction, emissions, and pollution.
This book discusses how the Earth rotates on its axis, causing day and night, and revolves around the Sun, causing changes in season and weather occurrences.
This book explores the states of matter, the building blocks of everything in the universe, as well as influential scientists in the field.
This book explores the organisms involved in composting as well as the biological processes involved, including a breakdown of primary, secondary, and tertiary level consumers.
Take an in-depth look at physics in this science encyclopedia.
Take an in-depth look at animal life in this science encyclopedia.
What happens to the environment when a hurricane occurs? What are some of the causes of hurricanes? What can people do about the problems caused by hurricanes? How can you use your math skills to learn more about hurricanes? Read this book to find the answers to these questions and learn more about hurricanes..
