En el libro se explica la importancia del agua para la vida y cómo se puede mantener un abastecimiento sustentable.
En esta serie se explican las formas más importantes de energía alternativa que se usan actualmente, en este volumen conocerás todo acerca de la energía del Sol.
La ciencia nos ayuda a entender el mundo que nos rodea, descubre el mundo natural con el tema de la energía.
En este libro aprenderás en forma interesante y divertida sobre los procesos científicos relacionados con la fuerza, la energía y el movimiento.
En el libro se explica qué es la biodiversidad y cómo puede ayudar a conservar las especies de plantas y animales de los diferentes ecosistemas.
This book provides the history of biofuels along with their different uses, their positive and negative characteristics, and how they may impact the future.
En el libro se explica cómo se protege a la población de las inundaciones.
Con gráficas e ilustraciones muy claras, se explica el ciclo del agua y la importancia de ésta en la vida del planeta Tierra.
Young readers focus on the importance and issues of clean water.
Young readers will discover what they can do to make greener choices as they grow up.
En el libro se explica por qué los hombres debemos cuidar la tierra.
Learn how structures are being built to withstand nature's destructive forces.
Young readers discover what harms plant and animal habitats, and what people can do to help.
Weather changes from day to day and season to season. But what exactly is weather and how is it created? Readers will discover the answers to these questions and many other weather wonders. Bright, full-color photographs, inviting text, and engaging questions introduce readers to the different types of weather in our world and how it affects our lives.
What are Forests? brings to life the wondrously complex and diverse ecosystems found in forests around the world. Intricate relationships and concepts are explained in a simple way with the help of beautiful color photographs. Children will be fascinated by the earth's many types of forests, the elements that make up a forest ecosystem, the wide range of plant and animal species that live in different forests, and the importance of forests to the rest of the Earth.
The constantly changing ecosystems of salt and freshwater wetlands support an amazing variety of wildlife species. Children will be intrigued by the fascinating animals that depend on wetlands, such as alligators and hippopotamuses, and the plants that grow there. This engaging book investigates swamps, salt marshes, and flood plains, the many plants and animals that live in wetlands, and the threats to these ecosystems and their wildlife.
Biomes are the major communities of plants and animals in our world. Children will love learning about life in everything from the chilly arctic tundra biome to dry, grassy savannahs.
Starting with the sun, food chains link together plants and animals in various ecosystems to help them survive. Kids will be fascinated by these chains and their own links to the natural world.
From whales and deer to butterflies and eels, animals migrate to breed, feed, stay warm, find water, and even sleep! Animals follow paths passed on for generations ensuring the survival of their species. Discover the amazing treks of the Arctic tern, the salmon, and the Canada goose.
In the animal world, the easiest way to avoid being eaten is to avoid being seen. What are Camouflage and Mimicry? examines animals that use unique colorization and patterns to avoid predatorsor to sneak up on prey! Some are virtually impossible to see.
Children will learn about the many land habitats in which baby animals are raised. This introduction looks at forests, grasslands, mountains, and deserts and features appealing photos of wolf pups, baby orangutans, rhinos, guanacos, and foxes.
Engaging photos of baby lions, hippos, zebras, giraffes, and rhinos highlight this introduction to African savannas Interesting information focuses on the special needs of animals in this habitat, including how they find water during the dry season and stay cool in the intense heat.
Children will love the photos of the exotic baby animals that live in rain forests around the world, such as tigers, monkeys, lemurs, elephants, and sloths. Young readers will also learn about the different kinds of rain forests and discover what life is like for baby animals in both wet and dry seasons.
This book introduces habitats for baby animals in freshwater rivers, lakes, ponds, and wetlands. Children will be fascinated by pictures of baby hippos, geese, swans, alligators, tigers, muskrats, nutrias, river otters, and more.