Energía solar

GRADES PK–2: This 16-page Spanish title (8’’ x 8’’) introduces early readers to the rhinoceros—what they look like, what they eat, and who rides on their backs! FEATURES: Simple Spanish text and vivid photos present fascinating facts about an amazing African animal. Comprehension questions are included to advance learning. EARLY BILINGUAL LITERACY: Help young learners strengthen their bilingual skills—add the English version of this title into your collection, too. BUILD A LIBRARY: Collect every title from the collection to stock your home or classroom library. Reading together...

From the itsy-bitsy to the huge and hairy, kids will be drawn into the spider’s world. This book shows spiders going about their lives, including building webs, catching prey, and hatching babies.

Did you kow that Benjamin Franklin wanted a turkey to be the symbol of America instead of the bald eagle? Discover interesting facts about why the bald eagle is important to Americans, how it became a symbol for our country, and more in The Bald Eagle.

Tornadoes are some of the strongest storms on the planet. It’s not safe to go near them, but what if we could? Readers will dive into the world of wild weather in a special ship that lets them get up close and personal with a tornado. From the cone of silence deep inside the storm to the incredible winds and lightning created by a superstorm, this book will electrify readers as well as educate them on what to do if a tornado forms nearby.

Hoy en día uno de los pilares del desarrollo de páginas web es la interacción con los usuarios que utilizan dichas páginas. Los errores en la introducción de datos pueden tener lugar sin mala intención pero también con un interés malicioso, y es ahí donde surge el interés por realizar una fase de validación. En este libro aprenderemos a aplicar técnicas de prueba y verificación de la integración de los componentes en la página web y veremos cómo identificar las fases que intervienen en este proceso, clasificando los distintos tipos de archivos que se van a integrar en la...