Ecosystems category: 538 books

Hogar, dulce hogar. Los organismos deben vivir en el hábitat adecuado para sobrevivir. Y cuando se cumplen sus necesidades, el medio ambiente adecuado permite que las plantas y los animales prosperen. Desde el desierto hasta la tundra, aprende sobre las redes alimenticias, los nichos de los animales,...

Mientras la Tierra está cambiando constantemente, la evidencia muestra que los seres humanos están acelerando el proceso del efecto invernadero. El tiempo atmosférico extremo, la extinción de las plantas y animales y la remodelación de nuestras costas son efectos nocivos del aumento de las temperaturas....

De toda el agua de la Tierra, el 96 por ciento se encuentra en el océano. Sin embargo, sabemos más sobre el espacio que sobre las oscuras profundidades de nuestro propio océano. Sumérgete en las aguas salvajes de la hidrosfera para explorar descubrimientos sobre los hábitats, la vida y las zonas...

Introduces basic scientific principles of the Sun and Moon and shows readers how to do age-appropriate, simple experiments and projects.

In this instructive and accessible volume, readers discern how engineers safeguard the environment with their practices. They learn how green engineers cut down on waste and the use of natural resources by inventing new materials and techniques. This resource covers recycling, reuse, and renewable...

Eco-friendly energy is explained. Current information about saving the environment is provided in this thought-provoking book, ideal for upper elementary and middle school students. In addition to explaining the concept of eco-friendly energy, the book establishes the understanding that it does not take much to make the world a better place.

As concern for the welfare of species like honey bees and monarch butterflies grows alongside awareness of the impact of climate change, inspiring the next generation of citizen scientists is more important than ever. With Wildlife Ranger Action Guide, kids can make the world better for the animals...

Experience the most awesome power on Earth: wild weather! From destructive thunderstorms to devistating tornados, wild weather can appear out of nowhere and uproot trees, tear apart houses, and bring cities to a standstill. Extreme 3–D: Wild Weather is packed with dramatic 3-D photos and the insight you need to understand droughts, ice storms, tsunamis, and more.

Winds whip. Waves crash. Rain pours down. A superstorm moves across the ocean and gets closer and closer to land. Hurricane watch! In this nonfiction picture book, read and find out how hurricanes form, how scientists track the storms, and what you can do to keep yourself safe if one strikes. With...

Example in this ebook   One of the Pacific Northwest’s most notable outdoor recreation areas, the “John Day Country” in northeastern Oregon, is named after a native Virginian who was a member of the Astor expedition to the mouth of the Columbia River in 1812. There...

La superficie de la Tierra está en constante cambio. Aprende cómo el desgaste y la erosión constantemente cambian la forma de la Tierra a través del viento, el agua, ¡y más! Incluso la gente puede cambiar drásticamente la superficie de la Tierra. Con la ayuda de texto fácil de leer e imágenes...

La adaptación ha estado sucediendo durante miles de años y continúa ocurriendo hoy en día. A medida que los ambientes de los animales cambian, tienen que aprender a adaptarse a ese nuevo medio ambiente. Lee las páginas de este fascinante libro para descubrir cómo la adaptación ha ayudado a...

Found on the beach by a Native American woman, a little acorn begins its journey to becoming a 1500 year-old live oak tree.  Sharing its bounty with nature and sheltering the generations of humans as time passes, the life cycle of this particular acorn is revealed.

Explore the lives of wolves with Ranger Rick in this beginning reader with full-color photos of wolves in the wild! What if you wished you were a wolf and then you became a gray wolf pup? Could you play like a pup? Talk with howls and growls? Live with a wolf pack? And would you want to? Find...