Proyectos reales para explorar la Guerra Fría (Real-World Projects to Explore the Cold War)

Aunque hoy en día el efecto invernadero aparece en la prensa con frecuencia, se le conoce desde mediados del siglo XIX y siempre se ha sospechado de la influencia de la actividad humana en él. Sin embargo, para constatar el efecto de calentamiento global actual y aceptar la responsabilidad del hombre en su rápido crecimiento, hubo que luchar contra intereses ligados al desarrollo industrial que supuestamente está sustentado por el conocimiento científico. "Esta historia empieza a principios del siglo XIX, cuando unos científicos descubrieron que nuestro planeta no siempre tuvo el mismo...

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...

Read Along or Enhanced eBook: Engineers have built some incredible things. But with every new feat, there is failure. Readers will learn about engineering feats and failures like the Titanic, the Hindenberg, the Hoover Dam, and more in this engaging, Spanish-translated nonfiction title. This book features brilliant images, charts, and intriguing facts in conjunction with informational text and mathematic skills to keep readers active and engaged.

A nonsensical and factual look at animals. Use of eye-catching illustrations and clear text answers children's most frequently asked questions about animals.