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...

With simple examples that are easy to relate to, this basic review of some of the building blocks of economics will help readers easily grasp the concepts. With language that is conversational without being too casual, readers are engaged throughout as they learn about not only these basic concepts but how they fit into the whole economic scheme of things, such as where goods come from. Readers will learn about the three factors of production, as well as what happens when resources are lacking and how that influences the entire economy.

For most of history, women have been confined to their households, and to lives without equal rights or equal opportunities. This volume introduces readers to the women of the suffrage movement, the defining movement for women’s rights, especially the right to vote. Primary sources and photographs will show readers firsthand how the challenges and successes of this movement shaped the lives of women across the United States. Readers will also learn about the inequality that still exists for women, and how they can change this injustice in the future.

What really happened around Roswell, New Mexico in 1947? Was there a cover-up? Examine this mystery through dynamic, full-color illustrations.

El libro consta de 11 unidades. Cada unidad comienza con una doble página de presentación. Los contenidos se organizan en apartados y subapartados. Los márgenes van adornados con diferentes elementos como curiosidades, contenidos para saber más, actividades experimentales y para investigar, etc. Hay ejemplos y problemas resueltos. En algunas de las unidades se ofrece una página con experiencias para realizar en el laboratorio. Una vez desarrollados todos los contenidos se ofrece una página con las ideas fundamentales de la unidad. La página titulada "La ciencia del siglo XXI" contiene...